CN103221877A - Ophthalmic glasses - Google Patents
Ophthalmic glasses Download PDFInfo
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- CN103221877A CN103221877A CN2011800553019A CN201180055301A CN103221877A CN 103221877 A CN103221877 A CN 103221877A CN 2011800553019 A CN2011800553019 A CN 2011800553019A CN 201180055301 A CN201180055301 A CN 201180055301A CN 103221877 A CN103221877 A CN 103221877A
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- glasses
- eyeglass
- looking
- myopia
- far away
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
- G02C7/101—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having an electro-optical light valve
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/06—Lenses; Lens systems ; Methods of designing lenses bifocal; multifocal ; progressive
- G02C7/061—Spectacle lenses with progressively varying focal power
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
- G02C7/105—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses having inhomogeneously distributed colouring
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
- G02C2202/24—Myopia progression prevention
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Eyeglasses (AREA)
Abstract
A pair of ophthalmic glasses configured to retard myopia progression or substantially prevent myopia in a child comprising: a prescribed distance viewing lens portion, a prescribed myopia treatment lens portion, a variable transparency element configured with a near viewing mode by the child with at least a portion of the prescribed distance viewing lens portion substantially opaque or non transparent and at least a portion of the prescribed myopia treatment lens portion substantially clear or transparent, and configured with a distance viewing mode by the child with at least a portion of the distance viewing lens portion substantially clear or transparent. The variable transparency element state (whether it is clear or opaque) is driven by electronics embedded in a frame. Embedded software determines near viewing mode versus distance viewing mode by analyzing distance readings to objects in front of the glasses which are provided by proximity detectors embedded in the frame.
Description
Technical field
The present invention relates to a kind of glasses, specifically and not only relate to a kind of glasses that are used for pre-myopia prevention or slow down the myopia intensification, it is at general crowd especially young man.
Background technology
Myopia (near-sighted disease) is meant following situation: the long or cornea of eyeball back/forth diameter causes the light that enters in the eye to focus in the eyeball but not on the retrobulbar retina, as shown in Figure 1 excessively suddenly.Therefore, the A nearsighted person can be clear that near objects, but sees that distant objects is smudgy.
The near-sighted morbidity rate in Asia is apparently higher than western countries.Some advanced areas in the Asia, as Singapore, Hong Kong, Taiwan and Japan, myopia is the modal eye diseases of children.In China, along with structure of education is harsh further, near-sighted phenomenon is also in rising trend.Over the last couple of decades, the ubiquity and the seriousness of myopia are significantly aggravated in the worldwide.Statistics and medical evidence show that the age, myopia was deepened obviously during 6 years old to 15 years old.
In the Asia, the myopia intensification degree of Primary School Children occupies first of the whole world.In 7 to 8 years old children crowd, myopia is deepened with the speed that surpasses 1D (100 degree) every year.Seven years old children of 25%, 12 years old children of 66% and 18 years old children of 80% are just suffering the puzzlement of myopia.After these children entered and grow up, their near-sighted number of degrees can reach-8D or higher.They need often to change the darker glasses of the number of degrees, will change once in annual even per 6 months.Myopia has become the common public health problem of paying close attention in Asia.High myopia is not only influence problem attractive in appearance, and is health problem because the big age with age, myope is suffered from irreversible blind big the increasing that have a big risk.The incidence of disease of various eye illnesses significantly improves, as macula retinae sex change, detachment of retina and follow the retina problem that need carry out cataract operation.
The common classic method of correcting child myopia is to join secondary concavees lens glasses for it, will become image focus to shift to retina backward, thereby clear vision is arranged.But glasses can not stop the near-sighted number of degrees to be deepened.Glasses just carry out optical correction to the visual function disorder of eyes, even make child exist visual function disorder also can see clearly.
Why can myopia deepen? how to stop myopia to be deepened? from the science angle, the reason that myopia is deepened is not definite fully as yet, but studies show that, myopia deepens to be what the combination by the h and E factor caused.If father and mother have a myopia, then myopia is very general, if father and mother are near-sighted, then more general.Environmental factor is most important equally.Long-term reading and close eye work are the critical environments factors that causes myopia.Studies show that long-time flower is all deepened to have very big related with myopia before closely focusing on, read and being sitting in computer for a long time.
The glasses of joining for near-sighted children are normally corrected the glasses of their myopia-hyperopic defects.When we focused on closer object, for example when reading, light entered in the eye, and was surpassing the focusing of amphiblestroid position.If will make the focal position of light move back to retina, the crystalline lens in the eye must change the focusing power that shape increases eyes.This process is called " vision accommodation ".Studies show that frequent vision accommodation is deepened closely related with myopia.
About vision accommodation related with between myopia is deepened, mainly containing two kinds of theories can explain:
A. frequently carry out vision accommodation during close eye and make eyes burden in growth course.This burden can be alleviated along with the quickening growth of eyes, thereby causes myopia.What some measured bulbous length studies show that in the vision accommodation process, eyeball is elongated.
B. many children when carrying out the close eye activity, vision accommodation insufficient (" vision accommodation hysteresis ") clearly (some children are more obvious).Control lag causes the long sight retina to defocus, and long sight defocuses and excessively may cause eye growth and elongated these vision accommodation mechanism of eyeball.
In view of vision accommodation and the myopia tight association between deepening, the researchist has carried out a series of researchs, proposes the whole bag of tricks and makes in children's daily life the vision accommodation amount reduce to minimum, slows down myopia whereby and deepens.Thereby the elimination vision accommodation is slowed down a kind of method of myopia intensification and is to use bifocal spectacle or progressive lens, as shown in Figure 2.The principle of the method is to use the hypomere of glasses when reading.For obtaining the distant place image that focuses on the retina, the glasses epimere provides necessary correction of refractive errors, and hypomere is used near objects is focused on.(correct to realize+2D to the correction of+3D) by distance.In the case, when reading or carrying out the close eye activity, do not need to carry out the eye vision accommodation, thereby can not produce control lag, therefore long sight can not occur and defocus with eyeball elongated.
For standing the adult that the vision accommodation scope reduces, bifocal or multi-focus lens are in remote eyesight and closely all provide effective correction of refractive errors aspect the eyesight.In the case, the user must use the eyeglass hypomere to read because under the situation that lacks the vision accommodation ability, with the regional reading of epimere can cause seeing image blurring unclear.
Yet,, therefore can't guarantee that children are bound to use the hypomere of eyeglass partly to carry out the close eye activity because children have very strong regulating power.When using standard bifocal or multi-focus lens, can't force children when reading, to move sight and use the hypomere of eyeglass and re-construct image by vision accommodation.
Some researchs are investigated the use of progressive lens.The myopia of U.S.'s multicenter randomized controlled trial-use progressive lens deepen to correct test (COMET) though reported progressive lens have aspect the retarding myopia intensification little of statistically evident effect.Use another randomized controlled trial of Japan of progressive lens to show that progressive lens is having similar good effect aspect the retarding myopia intensification to children.
Yet the effect that the obstruction myopia of these research institute's reports is deepened is not remarkable in practice.The reduction that demonstrates only about 25%.The limited main cause of effect may be to use the children of progressive lens often can not switch and use the exclusive district (hypomere district) on their eyeglass to read.Because children's regulating power may be very strong, so they use the epimere (long sight section) of eyeglass and carry out vision accommodation and can read well too.When reading, use eyeglass top always and be aided with and regulate but not plagiocephaly is looked down, so more comfortable and be intuition.
Though children may cooperate at the beginning, attempt using the read area in the eyeglass, but it is of long duration, they can feel to use eyeglass top so unnecessary, because they are with to suffer from presbyopic adult different, when close eye, can't cause bluring, so the expectation children overcome intuition and inconvenience and force oneself to look down to be difficult to.Therefore, they may stop using read area, and only use the distance vision zone on top, and proceed vision accommodation.
Though bifocal or multifocal ophthalmic can significantly reduce the adjusting needs, to deepen thereby might slow down myopia, the mode during these glasses of the actual use of children has limited its effect, thereby deepens almost not have effect to solving myopia.
Exactly because this reason, other bifocal or how burnt clinical research that near-sighted children are carried out also demonstrate the inconsistent effect of similar finite sum.
Summary of the invention
The present invention has proposed the glasses of (but not rectification) myopia of a kind of being used for the treatment of substantially.The glasses that the present invention proposes use a pair ofly to be looked nearly increase (near addition) and is+2D bifocal or the multi-focus lens to+3D, the mechanism of its configuration can guide and encourage children to use eyeglass top to look far, uses the eyeglass bottom to look closely (but not using eyeglass top to carry out vision accommodation).
This machine-processed advantage is that the treatment child myopia is more effective.
In detailed description of the present invention, glasses as claimed in claim 1 are provided and/or as claim 31,32 and 34 described methods.In of the present invention another described in detail, provide the method that on eyeglass, forms hypotenuse as claimed in claim 35.Can be according to the arbitrary embodiment that implements in the claim 2 to 30,33 and 36.
Description of drawings
With reference to the following drawings one or more example embodiment of the present invention are described, wherein:
Fig. 1 is the ray plot of glasses for the shortsighted.
Fig. 2 is the front view of prior art bifocal lenses.
Fig. 3 a be according to example embodiment at the front view of looking the glasses under the configuration far away.
Fig. 3 b be according to example embodiment at the front view of looking nearly glasses under the configuration.
Fig. 4 is the skeleton view of another example embodiment.
Fig. 5 a is the synoptic diagram of liquid crystal (LC) shutter glasses among Fig. 4.
Fig. 5 b is the LC shutter glasses among Fig. 4 and the exploded view of eyeglass.
Fig. 6 is the synoptic diagram of the Proximity Sensor among Fig. 4.
Fig. 7 is the wiring diagram of the glasses among Fig. 4.
Fig. 8 is the block diagram of the electronic package among Fig. 4.
Fig. 9 is the process flow diagram according to the manufacture method of the glasses of example embodiment.
Figure 10 a is prior art eyeglass and the side view of mirror holder before installing.
Figure 10 b is prior art eyeglass and the side view of mirror holder after installing.
Figure 11 is the side view of two-part eyeglass.
Figure 12 is the close up view of lens edge.
Figure 13 is the close up view of mirror holder further groove.
Figure 14 is the side view of the front end eyeglass that will insert.
Figure 15 is the side view of the rear end eyeglass that will insert.
Figure 16 is the cross-sectional view of mirror holder, and it shows installation pipe.
Figure 17 is the synoptic diagram of mirror holder, shows nose holder assembly.
Figure 18 and Figure 19 are the prototype pictures of the nose holder assembly among Figure 17.
Figure 20 is the synoptic diagram that the bridge of the nose is inserted frame.
Figure 21 is the picture of video projection system.
Figure 22 A is the synoptic diagram at the symmetric triangular edge of common eyeglass.
Figure 22 B is attached to blank (blank) with " cutting " at the symmetric triangular edge that forms Figure 22 A (split) synoptic diagram of eyeglass.
Reference numeral
300 glasses
302 eyeglass hypomeres
304 transparencies control liquid crystal film (TCLC)
306 eyeglass epimeres
The CPU of 400 usefulness software programmings
402 Proximity Sensors
404 lithium rechargeable batteries
406 micro USB connectors
408 senses of touch or body propagated sensation sensor
410 nose holders
412 mirror pin edges
502/504 action cell
506/508 optical mirror slip
510 transparencies control liquid crystal (TCLC) sheet
600 sensors
800 main PCB plates
808 small-sized PCB
1600 interconnection wirings
1602 mirror holders
1604 eyeglasses
1606 grooves
1608 installation pipes
1800 bridge of the nose structures
1802 slits near the nose holder
1804 PCB
1806 lids
1808 screws
1810 buss
1812/1814 contact
2000 sheet metals
2100 optical elements (LOE)
2102 projectors
2104 mirror pin
The center of 2106 LOE
2202 " cutting " eyeglass
2204 blanks
2206 bonding agents
Embodiment
Fig. 3 illustrates the glasses 300 according to example embodiment, and it uses progressive lens or bifocal lenses to treat or delays child myopia deepens.Eyeglass adopts a kind of mechanism to force children to use the hypomere 302 of eyeglass when reading.This will guarantee to need not to use the vision accommodation (or drop to vision accommodation minimum) of prolongation when seeing closer object, thereby can significantly alleviate or prevent that fully child myopia from deepening as expecting.
The optical mirror slip of glasses (bifocal or progressive lens) contains special transparency control liquid crystal film (TCLC) 304.Film 304 can change over " milky white ", frostization, opaque state from complete pellucidity.
The transparency of TCLC 304 is controlled in the electronics mode.Children are when reading, and the epimere 306 of eyeglass becomes opaque automatically.This just forces children only to use the hypomere of eyeglass, and hypomere has the optical power of setting at reading (optical power), thereby needing to avoid vision accommodation.When seeing distant objects, it is transparent fully that TCLC 304 becomes, and eyes use the long sight dioptric section of epimere 306 naturally.Opaque section may be the part of epimere 306, and may be that the opaque or other parts support of part sees through hypomere 302 and sees.
As shown in Figure 4, in eyeglasses frame, embed electronic component.These electronic components comprise by the microcontroller of software 400 sequencing, TCLC film voltage driver, Proximity Sensor 402.The electric power of circuit is provided by low profile polymer lithium rechargeable battery 404.Can use the wall adapter that has industrial standard micro USB connector 406 battery 404 to be charged in direct-connected mode.Perhaps, can use inductive charging battery 404 to be charged in the mode of wireless energy transfer.
Intelligent activating
After putting on one's glasses, glasses just activate automatically.This is to realize by sense of touch that is positioned at spectacles nose holder 410 places or body propagated sensation sensor 408.For realizing super low-power consumption, glasses can also have sleep function, and sleep function does not activate when glasses are worn for a long time.Sense of touch or body propagated sensation sensor 408 can be measured electric capacity, and whether electric capacity will contact human body skin and significant change according to the contact.Sense of touch or body propagated sensation sensor 408 can comprise the single or multiple pads that touch.
Mirror holder
Eyeglasses frame can be based on the material of nylon, as Grilamid TR90LX material or similar material.Nose holder 410 can be that biological biocompatible is in the soft conducting polymer or the silica gel of contact skin.Perhaps, nose holder 410 can be any material that is fit to contact skin.At mirror pin (temple) edge 412 at ear place can be the biological soft polymer or the soft silica gel that are suitable for Long contact time skin and have adjustability.The silica gel at the bridge of the nose and mirror pin/ear frame place can prevent glasses because overweight and landing from children's the nose.The mirror leg can be fixing and not collapsible.
TCLC
Microcontroller
As shown in Figure 8, microcontroller 400 and support circuit thereof are positioned on the main PCB plate 800, and Proximity Sensor 402 is soldered to this circuit.Battery 404 is connected to small-sized PCB 808.On main PCB 800 and small-sized PCB 808, provide TCLC pad 510.Running through mirror holder provides from left mirror leg to the interconnection wiring 1600 right mirror leg and the nose holder 410, as shown in Figure 7.
The low-cost CPU that microcontroller 400 is low electric power, area is little, it has flash memory and radio communication option.Booster circuit provides output voltage to drive the square wave (amplitude) of LC 20V to 36V.
Management software
Remote computer can wirelessly or by micro USB interface 406 be connected to CPU 400, and comprises management software.This can permit that report for example " is worn the time ", " reading time " and be used for the data of the out of Memory of clinical assessment.For example the parameter of intelligent activating can be configurable.
Read state detects
Detecting device 402 identifies children when reading or doing other close eye work, is transformed into upper lens (distance vision zone) opaque automatically.When children saw at a distance again, detecting device 402 identified reposition, and made eyeglass top become clear.
As shown in Figure 6, detecting device 402 can be a ultrasound piezoelectric sensor 600, by transmitter and the receiver that square wave (amplitude) drives, perhaps can be infrared detector.May be transmitter in a side, and receiver is at opposite side, but also may use the transducer of central combined transmit/reception (Tx/Rx).Sensor 600 should be very little, and for example diameter is not more than 9mm, and length is no more than 5mm, is placed in the metal shell of complete closed.
Exemplary sensors is the open sensor of diameter 9mm, length 5mm, by Japanese Murata
TM(field, village
TM) produce.With the frequency work of 40Khz, and resolution is 1cm to this sensor under 5V to 10V.
Detecting device 402 implements to reduce the decision making algorithm of error condition situation.The switching of read state is not to finish at once, but delay is slightly arranged.Therefore of short duration quick glance may be filtered, and has only stable reading situation when vision accommodation (carry out long-time) just can activate the top shutter.This purpose is to make it practical more to children, and elimination " mistake activation ".In addition, can also make children carry out normal vision accommodation.
Battery
The micro USB connector
Battery can charge by the charging module among the CPU.When external AC-DC exchange type power of 5V was connected to USB mini charger interface 406, charging module activated.This interface is the IP55 that the water proof and dust proof protection is arranged.Perhaps, can externally provide solar charger, perhaps as the part of mirror holder or induction charging mechanism.
Eyeglass is produced
Such advantage may be cost.Bifocal or multi-focus lens may be more expensive.Customizing large batch of same lens can reduce cost.Because rear end eyeglass 508 is single focus lens, therefore may be more cheap when realizing that mirror is joined in personalization.
In sectional type eyeglass configuration shown in Figure 11, front end eyeglass 506 and/or rear end eyeglass 508 all are " cutting " eyeglasses with general planar side, and lens edge may not use common eyeglass manufacturing machine to process.This is because common eyeglass manufacturing machine is the common eyeglass with symmetric triangular edge to be carried out the edge cut sth. askew.Figure 22 A illustrates the common eyeglass with symmetric triangular edge.This eyeglass carry out the edge cut sth. askew before edge contour also have the conventional criteria size.
" cutting " eyeglass-may be that front end eyeglass 506 or rear end eyeglass 508-have smooth substantially side, and therefore may not have the edge contour of symmetry.And it not is standard-sized edge (because they are conventional eyeglass " cutting " parts) that each " cutting " eyeglass all has.
The edge is asymmetric and marginal dimension is nonstandard can be compensated by the smooth side of cardinal principle that blank is attached to each " cutting " eyeglass.Using bonding agent 2206 that " cutting " eyeglass 2202 is attached to blank 2204 shown in Figure 22 B.Then the combination of eyeglass and blank being processed makes it look like complete eyeglass.Can use thin double sticky tape in removable mode " cutting " eyeglass to be attached to blank as bonding agent 2206.Employed blank can be circular or square.
Mirror holder is produced
As shown in Figure 9, at the production facility place mirror holder (except optical mirror slip and LC film) is assembled.Parts of plastics is used injection molding and is made.Electronic circuit, sensor and wiring then are installed.All interior fittings electron plates, battery and other accessory are not replaceable.
Can run through mirror holder 1602 provide among Fig. 7 from left mirror leg to the interconnection wiring 1600 right mirror leg and the nose holder 410, as shown in figure 16.Mirror holder 1602 generally provides groove 1606 to be located for eyeglass 1604.For hidden wiring 1600, in groove 1606, done to extend to form installation pipe 1608.With resin or glue interconnection wiring 1600 is encapsulated during fabrication, thereby interconnection wiring 1600 forever is installed in the installation pipe 1608.Perhaps, can be made into flexible circuit.This installation pipe also can be installed in the standard mirror holder to allow repacking.
Assemble method
Make mirror holder by method mentioned above, and by speciallyying permit centralab or having the optician of qualification to come assembly lens (according to myopia prescription) 506,508 and LC film 304.
The normalized optical eyeglass can be fixed in the glasses by the whole bag of tricks.As shown in figure 10, the most frequently used method is to stay a triangular groove (standard size of the about 2.2mm in the end, high about 0.6mm) in eyeglasses frame.(hedging machine) polishes (hedge) to lens shape by edge polisher, and eyeglass is cut edge polisher so that its suitable mirror holder shape, and leaves protrusion around the eyeglass circumference, thereby plastics or glass mirror accurately are fitted on the mirror holder.
By heating (if plastic spectacle frame) mirror holder is fluffed, perhaps mirror holder is fluffed, thereby eyeglass is inserted in the mirror holder by opening the small screw that two parts of making mirror holder tighten together.
Alternatively, to shown in Figure 15, front end eyeglass 506 is littler than rear end eyeglass 508, and has tapered edge 1300, allows to insert from behind front end eyeglass 506 as Figure 12.After installing, front end eyeglass 506 temporarily is fixed on the position, inserts TCLC 304 simultaneously.Then, the angle of the groove 1302 in the mirror holder is permitted bigger rear end eyeglass 508 and is slided into the position from behind, and whole three assemblies are locked in separately in the position.This means that the optician can easily install cut-off lens, and just can lock it in place without any need for extra effort.
As shown in figure 11, the eyeglass according to example embodiment is divided into 2 eyeglasses.Optical power is the summation of original 2 eyeglasses.For example, front end eyeglass 506 is+4, rear end eyeglass 508 is-2.5, therefore clean optical power is 1.5 diopters.TCLC film 304 is (about 0.2mm) as thin as a wafer, therefore to not influence of image quality.
Bridge of the nose structure
QAM shown in Figure 8 can be by substituting as Figure 18 and optional bridge of the nose structure 1800 shown in Figure 19.In the case, LC film 304 is still between 2 optical mirror slips 506 and 508.But conducting strip 510 alternatively is inserted near in the slit 1802 of nose holder 410.The single or double PCB 1804 that is positioned at central authorities has conductive pad to form contact 1814 on its end face.PCB 1804 may be that 0.5mm is thick.Conducting strip 510 is orientated the contact 1814 that makes the contact 1812 of conducting strip 510 contact the PCB pads as.Then will cover 1806 and be attached on conducting strip 510 and the PCB 1804, they will be fixed on the position with screw 1808.
In this way, the optometrist in the shop can install, be electrically connected and lock and put in place eyeglass and liquid crystal film, and does not need professional electronician.
Video-projection
In another alternate embodiment, TCLC 304 adheres to the front surface of single bifocal lenses or the film coating of rear surface.
Though described example embodiment of the present invention in detail, present technique field reader should be clear, in the scope of being advocated of the present invention, many variations may occur.For example, the children during this describes can be the young men less than 18 years old.
Claims (36)
1. glasses are used for retarding myopia intensification or substantially pre-myopia prevention, and described glasses comprise:
Preparation look eyeglass part far away;
Look nearly eyeglass part, be used for that retarding myopia is deepened or substantially pre-myopia prevention;
The transparency variable system, dispose for the user and look near pattern, look near under the pattern described, at least a portion of looking eyeglass part far away of described preparation is blocked substantially, covers, blurs or be opaque, and described at least a portion of looking nearly eyeglass part is known substantially or is transparent, described transparency variable system also disposes for described user and looks pattern far away, looks under the pattern far away described, and described at least a portion of looking eyeglass part far away is known or be transparent.
2. glasses as claimed in claim 1, wherein, described user is following young men of 18 one full year of life.
3. glasses as claimed in claim 1 or 2, wherein, described transparency variable system comprises the transparency variable element that is clipped between interior eyeglass and the outer lens.
4. glasses as claimed in claim 3, wherein, described transparency variable element comprises one or more liquid crystal cells.
5. glasses as claimed in claim 1 or 2, wherein, described transparency variable system comprises the coating at least one lens surface, described coating is used for changing opacity according to the signal that comes from controller.
6. glasses as claimed in claim 1 or 2, wherein, described transparency variable system comprises video frequency projector, described video frequency projector is used for stopping, covering looking of described preparation eyeglass part far away under the plesiotype substantially or make it fuzzy or opaque described looking, and makes looking of described preparation eyeglass far away partly clear or transparent under the apotype described looking.
7. as claim 3 or 4 described glasses, wherein, described interior eyeglass is the eyeglass at specific user's preparation, and described outer lens is the eyeglass of fixed optics multiplying power.
8. as each described glasses in the claim 3,4 and 7, wherein, described interior eyeglass is negative diopter lens, and described outer lens is the positive diopter eyeglass.
9. glasses as claimed in claim 8, wherein, described outer lens has the domatic edge that links to each other substantially with the edge of described transparency variable element, and eyeglass has isolated substantially domatic edge, described edge with described transparency variable element in described.
10. glasses as claimed in claim 9, further comprise mirror holder, described mirror holder comprises that being used for receiving edges is that eyeglass and edge are the recess of the described outer lens of domatic in domatic described, the lateral perimeter of described recess is littler than inboard girth, the described big girth of described inboard be used for permitting from the described outer lens of described installed inside, described transparency variable element and described in eyeglass.
11. each described glasses in the claim further comprise mirror holder as described above, described mirror holder comprises soft nose holder and soft ear frame.
12. each described glasses in the claim further comprise controller as described above, described controller is used for judging that the user is looking closely still looks far, and correspondingly described transparency variable system is energized to described plesiotype or the described apotype of looking of looking.
13. glasses as claimed in claim 12, wherein, described controller is used for judging that described user activates the described apotype of looking after looking far immediately, and is judging that described user is activating the described plesiotype of looking after looking closely in the predetermined amount of time.
14. as claim 12 or 13 described glasses, wherein, described controller comprises distance detector, described distance detector is used for judging the distance between the obvious object of described glasses and described glasses the place ahead.
15. glasses as claimed in claim 14, wherein, described distance detector comprises transmitter and receiver.
16. as claim 14 or 15 described glasses, wherein, described distance detector is the ultrasound piezoelectric transducer.
17. as claim 14 or 15 described glasses, wherein, described distance detector is the infrared detector transducer.
18. each described glasses in the claim as described above, wherein, described described part of looking eyeglass part far away looks described just part is opaque under the nearly state.
19., further comprise being used for rechargeable battery that described controller is powered as each described glasses in the claim 12 to 17.
20. glasses as claimed in claim 19 further comprise the miniature interface of hydrolock USB, the miniature interface of described hydrolock USB is used for external power source is connected to described rechargeable battery.
21. glasses as claimed in claim 19 further comprise the induction electricity charger that is connected to described rechargeable battery, described induction electricity charger is used for carrying out wireless energy transfer from external power source, thereby described rechargeable battery is charged.
22. each described glasses in the claim further comprise communication module as described above, described communication module is used to send glasses service data and compliance data, and/or receives setting or the software that process is upgraded from remote unit.
23. each described glasses in the claim as described above, it is used to judge whether the user is just wearing described glasses, and enters low-power consumption mode not wearing under the situation of described glasses.
24. each described glasses in the claim enter the super low-power consumption pattern under its situation that is used for not worn in time expand as described above.
25. glasses as claimed in claim 20, wherein, described controller is positioned at a mirror leg, and described battery is positioned at another mirror leg.
26. each described glasses in the claim as described above, wherein, the looking eyeglass part far away and describedly look nearly the part that part is bifocal lenses or progressive lens of described preparation.
27. each described glasses in the claim as described above, viewing-mirror sheet part in the middle of further comprising, wherein, described transparency variable system further disposes for the user and carries out the middle pattern of looking of seeing, in the middle of described, see under the pattern of looking, at least a portion of looking eyeglass part far away of described preparation is fuzzy or opaque substantially, at least a portion of viewing-mirror sheet part and described to look nearly eyeglass part clear or transparent substantially in the middle of described, and look under the plesiotype described, in the middle of described at least a portion of viewing-mirror sheet part and described preparation to look eyeglass part far away fuzzy or opaque substantially, and described at least a portion of looking nearly eyeglass part is clear or transparent substantially.
28. glasses as claimed in claim 10, wherein, described transparency variable system comprises electric wiring, and described recess further comprises the installation pipe that is positioned at dark groove, and described installation pipe is used to hold described wiring.
29. glasses as claimed in claim 28, wherein, described mirror holder further comprises the bridge of the nose, and the described bridge of the nose is configured to one group of contact of described transparency variable element is connected electrically to described wiring, and clamps removably.
30. glasses as claimed in claim 28 further comprise the removable nose holder with sheet metal, described sheet metal is configured to be clamped removedly by the described bridge of the nose.
31. a manufacturing is used for that retarding myopia is deepened or the method for the glasses of pre-myopia prevention substantially, described method comprises:
Outer lens is installed in mirror holder;
The transparency variable element is installed at the place at the described outer lens of next-door neighbour;
Eyeglass in install at the described transparency variable element of next-door neighbour place; And
Described transparency variable element is connected electrically to controller.
32. a method comprises:
Measure user's myopia and astigmatism degree;
Based on myopia and astigmatism degree, provide to have looking of optics multiplying power eyeglass part far away;
Based on the near-sighted number of degrees, provide have that myopia that design is used for delaying the user is deepened or substantially pre-myopia prevention the optics multiplying power look nearly eyeglass part; And
Look eyeglass far away part and/or describedly look nearly eyeglass and partly locate to provide the transparency variable element in that the next-door neighbour is described.
33. method as claimed in claim 32 further comprises and judges whether the user has myopia.
34. a method comprises:
Provide and have looking of preparation eyeglass part far away and look the glasses of nearly eyeglass part;
Use and describedly look eyeglass far away and partly see distant objects;
Described when looking nearly eyeglass and partly seeing near objects when using, cover the described eyeglass part far away of looking.
35. a method of making glasses comprises:
Eyeglass partly is attached to blank;
Make described eyeglass part become domatic with the edge of described blank;
Described glasses base is partly removed from described eyeglass.
36. method as claimed in claim 35, wherein, described eyeglass further comprises another eyeglass part, and described eyeglass part and described another eyeglass part are aligned with each other, thereby form described eyeglass.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SG201006810-4 | 2010-09-16 | ||
| SG2010068104A SG179307A1 (en) | 2010-09-16 | 2010-09-16 | Ophthalmic glasses |
| PCT/SG2011/000316 WO2012036638A1 (en) | 2010-09-16 | 2011-09-15 | Electroactive ophthalmic glasses and method of making the same. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103221877A true CN103221877A (en) | 2013-07-24 |
Family
ID=45831853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800553019A Pending CN103221877A (en) | 2010-09-16 | 2011-09-15 | Ophthalmic glasses |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2013541730A (en) |
| KR (1) | KR20130116872A (en) |
| CN (1) | CN103221877A (en) |
| SG (1) | SG179307A1 (en) |
| WO (1) | WO2012036638A1 (en) |
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| CN105683821A (en) * | 2013-10-25 | 2016-06-15 | 埃西勒国际通用光学公司 | Method for correcting a wearer behaviour for using a pair of spectacles in optimized conditions |
| CN105683820A (en) * | 2013-10-25 | 2016-06-15 | 埃西勒国际通用光学公司 | Device and method for determining a writing or reading mode |
| CN108227207A (en) * | 2018-02-06 | 2018-06-29 | 联想(北京)有限公司 | Optical element, vision imaging device and electronic equipment |
| CN114211349A (en) * | 2021-11-25 | 2022-03-22 | 山东美健健康防护用品有限公司 | Medical goggles production assembly quality |
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| US9829720B2 (en) | 2013-07-05 | 2017-11-28 | Universiteit Gent | Active multifocal lens |
| FR3011095B1 (en) * | 2013-09-26 | 2016-12-23 | Valeo Vision | ADAPTIVE OPTICAL FILTER FOR GLASSES OF GLASSES |
| FR3010938B1 (en) | 2013-09-26 | 2015-10-30 | Valeo Vision | DEVICE AND METHOD FOR DRIVING ASSISTANCE |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20130116872A (en) | 2013-10-24 |
| SG179307A1 (en) | 2012-04-27 |
| WO2012036638A1 (en) | 2012-03-22 |
| JP2013541730A (en) | 2013-11-14 |
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