CN108065909A - For determining the contact lenses device of cornea shape, system and intraocular pressure method for monitoring - Google Patents
For determining the contact lenses device of cornea shape, system and intraocular pressure method for monitoring Download PDFInfo
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- CN108065909A CN108065909A CN201711497780.5A CN201711497780A CN108065909A CN 108065909 A CN108065909 A CN 108065909A CN 201711497780 A CN201711497780 A CN 201711497780A CN 108065909 A CN108065909 A CN 108065909A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/16—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring intraocular pressure, e.g. tonometers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/107—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining the shape or measuring the curvature of the cornea
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
- A61B3/125—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes with contact 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
- G02C11/00—Non-optical adjuncts; Attachment thereof
- G02C11/10—Electronic devices other than hearing aids
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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
- G02C7/04—Contact lenses for the eyes
- G02C7/047—Contact lens fitting; Contact lenses for orthokeratology; Contact lenses for specially shaped corneae
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
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- Animal Behavior & Ethology (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Acoustics & Sound (AREA)
- Otolaryngology (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a kind of for determining contact lenses device, system and the intraocular pressure method for monitoring of cornea shape, which includes lens and form sensor.The lens are configured to that eyes can be placed on and contact and be fitted on outer corneal surface, and the material of lens is that flexibility allows its profile to follow the surface profile variations of cornea and accordingly change.Lens include the vision area of the central circular with covering cornea and the concentric circumferences border area of part covering cornea and sclera.The form sensor is embedded in the peripheral region of lens.The form sensor includes conducting wire, and the conductor configurations are into the spiral winding with multiple coil turns, and the horizontal direction line spacing between coil turn is from inner ring to outer ring with equidistant increase.Lengthwise position between coil turn is from interior circle to outer circle with lens contour；It solves prior art adjustment location very part and has larger uncertainty to the assessment of intraocular pressure, and design simply, woth no need to integrate active member, can effectively reduce cost.
Description
Technical field
The present invention relates to a kind of for determining the contact lenses device and system of anterior corneal shape and based on corneal profile
Intraocular pressure method for monitoring.
Background technology
Intraocular pressure is the biological indicator of a dynamic change, have apparent 24 circadian rhythm 24, therefore 24 it is small when intraocular pressure
Measurement more preferably can more fully reflect person under inspection's varieties of intraocular pressure situation compared with single tonometry.To the numerous studies table of glaucoma
Bright, in addition to abnormal intraocular hypertension, the change dramatically of intraocular pressure and the fluctuation of larger Intraocular are to cause green light in the short time
The independent hazard factor of eye optic nerve lesion progress, illustrates that intraocular pressure monitors the importance in glaucoma diagnosis and treatment.
Patent CN102695449B describes a kind of contact lens formula intraocular pressure monitoring device, which includes one
A soft lens and a pressure sensor combined with contact lens, the pressure sensor mainly include an active
Strain gauge, thus by the resistance variations of measuring strain meter, to infer the spherical change based on eyeball caused by varieties of intraocular pressure indirectly
Shape.
The known thickness due to cornea is not average, and the deformation of eyeball caused by intraocular pressure changes is actually not perfection
Spherical deformation, in one embodiment, the structure that the shortcomings that this intraocular pressure monitoring device is to measure strain gauge is one
10 to 100 microns wide of conducting wire, this to measure spherical deformation position it is very local and have to the assessment of intraocular pressure it is larger not
Certainty.Furthermore the resistance variations of measuring strain meter, necessarily component is passively counted in integrated microprocessor and other references to device,
Unavoidable of high cost and design is complicated.
The content of the invention
The object of the present invention is to provide a kind of for determining contact lenses device, system and the intraocular pressure supervision side of cornea shape
Method solves prior art adjustment location very part and has larger uncertainty to the assessment of intraocular pressure, and designs simple, nothing
Integrated active member is needed, can be effectively reduced cost.
The technical solution adopted by the present invention to solve the technical problems is：A kind of contact lenses for being used to determine cornea shape
Device, the device include lens and form sensor.The lens are configured to that eyes can be placed on and contact and be fitted in angle
On film outer surface, and the material of lens is that the flexible surface shape that its profile is allow to follow cornea changes and accordingly changes.
Lens include the vision area of the central circular with covering cornea and the concentric circumferences border area of part covering cornea and sclera.Institute
State the peripheral region that form sensor is embedded in lens.The form sensor includes conducting wire, and the conductor configurations are into multiple lines
The spiral winding of circle is enclosed, the horizontal direction line spacing between coil turn is from inner ring to outer ring with equidistant increase.Between coil turn
Lengthwise position from interior circle to outer circle with lens contour.The configuration of the conducting wire can follow the profile variations of the lens and phase
It should change, and the impedance of the conducting wire also changes with the configuration of conducting wire and accordingly changes.
Optionally, at least one element containing capacitance is connected to initiating terminal and the end of conducting wire to form circuit.The electricity
External encouraged by wireless radiation of routing is powered, and the wireless radiation is the frequency electromagnetic waves of certain frequency scope, the frequency
Scope and the resonant frequency of the circuit approach.The sensor is in different corneal profiles and generates different connection resistances
It is anti-, resonance can be generated under relevant resonant frequency is subject to encourage, may thereby determine that cornea shape.
Optionally, an environmental sensor is further included in the contact lenses device.Since form sensor is except sense
It answers outside profile variations, it also may be by the such environmental effects such as tear and temperature, configuration and the form sensor phase of environmental sensor
Seemingly, initiating terminal and the end of conducting wire are connected to including conducting wire and at least one element containing capacitance to form circuit, the environment
Reference sensor is embedded in the vision area edge of lens, provides to the variation due to environmental factor rather than due to corneal profile, allows
The form sensor measurement is influenced part as with reference to amendment by environmental change.
Contact lenses device is desirably integrated into supervise in the system of the cornea shape of eyes.It is of the invention a kind of for true
The system of cornea shape is determined, including contact lenses device and electronic device.Electronic device includes control unit.Described control unit
The electromagnetic radiation changed in frequency range is configured to inquire the circuit in the contact lenses device.Electromagnetic radiation makes
Circuit is obtained with the frequency resonance directly proportional to the inductance of sensing element, and there is extreme back scattering to electronic device.Control
Cell processing back-scattered electromagnetic radiation processed and the resonant frequency of measuring circuit.Cornea shape can be determined by resonant frequency.Electricity
Sub-device can also include data storage cell and transmission unit.Data storage cell is responsible for processing and the storage of metrical information.
Transmission unit is responsible for processing and the transmission of metrical information.
The beneficial effects of the invention are as follows：Using the configuration of the conducting wire for the spiral winding for being configured to have multiple coil turns, with
Infer the profile variations based on eyeball caused by varieties of intraocular pressure, solve prior art adjustment location very locally and to intraocular pressure
Assessment has larger uncertainty, and designs simply, woth no need to integrate active member, can effectively reduce cost.
Description of the drawings
Fig. 1 is the structure diagram of first embodiment contact lenses device.
Fig. 2 is the sectional view in Fig. 1.
Fig. 3 is the structure diagram of second embodiment contact lenses device.
Fig. 4 is the sectional view in Fig. 3.
Fig. 5 is the schematic diagram of system.
The step of Fig. 6 is intraocular pressure method for monitoring is schemed.
Specific embodiment
In order to which technical problem solved by the invention, technical solution and advantageous effect is more clearly understood, below in conjunction with
Attached drawing and embodiment, the present invention is further illustrated.
As shown in Figs. 1-2, contact lenses device 1 includes what is be made of the flexible materials such as transparent organic silicon or silica gel hydrogel
Lens 2, but it is to be understood that other rubber-like polymer materials can be used.Lens 2 are designed such that contact is placed on eye
On eyeball 100 (Fig. 2).Lens 2 include the optics area 21 of the central circular with covering cornea 101 and part covering cornea
101 and the peripheral region 22 of sclera 102.Profile sensor 3 is embedded in the peripheral region 22 of lens.Profile sensor 3 includes configuration
Into the conducting wire 31 of the spiral winding with multiple coil turns.The impedance of conducting wire 31 changes with the spatial position of coil turn.Coil
The horizontal direction wire spacing of circle is increased (Fig. 1) with equidistant dh.The lengthwise position of coil turn follow lens profile dv1,
Dv2, dv3, dv4 } (Fig. 2).Initiating terminal and the end of conducting wire are connected to containing capacitive element 32 to form circuit.
When contact lenses device 1 is worn on eyes by user, lens 2 pass through the surface tension bonding by tear film and angle
Film is in close contact.Lens 2 are made of flexible polymer material, it is therefore an objective to lens 2 and the profile of cornea be made to keep relation.With by
Corneal profile caused by intraocular pressure changes, and the configuration of 3 inner conducting wire of profile sensor also follows change, and forms relevant resistance and expand.Wheel
Wide sensor 3 by outside by wireless radiation encourage be powered, wireless radiation be certain frequency scope electromagnetic wave, the frequency model
It encloses and is approached with the resonant frequency of profile sensor circuit.Profile sensor 3 is in different corneal profiles and generates different passes
Even impedance can generate resonance under relevant resonant frequency is subject to encourage, may thereby determine that corneal profile.
As shown in Figure 3-4, contact lenses device 1 includes what is be made of the flexible materials such as transparent organic silicon or silica gel hydrogel
Lens 2, but it is to be understood that other rubber-like polymer materials can be used.Lens 2 are designed such that contact is placed on eye
On eyeball 100 (Fig. 4).Lens 2 include the optics area 21 of the central circular with covering cornea 101 and part covering cornea
101 and the peripheral region 22 of sclera 102.Profile sensor 3 is embedded in the peripheral region 22 of lens, and profile sensor 3 includes configuration
Into the conducting wire 31 of the spiral winding with multiple coil turns, the impedance of conducting wire 31 changes with configuration and environment, containing capacitive element 32
Initiating terminal and the end of conducting wire 31 are connected to form circuit.Environmental sensor 4 is embedded in the peripheral region 22 of lens 2 or portion
Position is embedded in the optics area 21 of lens 2, and environmental sensor 4 includes being configured to the helix with one or more coil turn
The conducting wire 41 of circle, the impedance of conducting wire 41 change with environment, and capacitive element 42 is connected to initiating terminal and the end of conducting wire 41 to be formed
Circuit.
When contact lenses device 1 is worn on eyes by user, lens 2 pass through the surface tension bonding by tear film and angle
Film is in close contact.Lens 2 are made of flexible polymer material, it is therefore an objective to lens 2 and the profile of cornea be made to keep relation.With by
Corneal profile caused by intraocular pressure changes, and the configuration of 3 inner conducting wire 31 of profile sensor also follows change, and forms relevant resistance and expand,
But it may also be partly caused by environment changes that resistance, which is expanded and changed,.4 conducting wire 41 of environmental sensor is changed by environment and resistance is caused to be expanded and is changed
Become, but change for profile insensitive.Profile sensor 3 and environmental sensor 4 are encouraged logical equally by outside by wireless radiation
Electricity, wireless radiation are the electromagnetic wave of certain frequency scope, and the resonant frequency of the frequency range and sensor circuit approaches.Profile
The connection impedance of sensor 3 can generate resonance under relevant resonant frequency is subject to encourage, and the connection of environmental sensor 4 hinders
Anti-, when being subject to also to generate resonance under its relevant resonant frequency excitation, the connection resonant frequency of profile sensor 3 can pass through
The connection resonant frequency of environmental sensor 4 is used as with reference to correcting, and is influenced so as to exclude environment, more accurate definite cornea wheel
It is wide.
The present invention can be integrated into determine in the system (Fig. 5) of the cornea shape of eyes.The system includes stealth
Eyeglass device 1 and electronic device 50.Electronic device 50 includes a control unit 51.Control unit 51 be configured to one
The circuit in contact lenses device 1 is inquired in the electromagnetic radiation of variation in frequency range.Electromagnetic radiation cause circuit with sensing
The frequency resonance that the related resistance of device is expanded, and there is extreme backscattering to electronic device.Control unit 51, which is handled, reversely to be dissipated
The resonant frequency of radio magnetic radiation and measuring circuit.Cornea shape can be determined by resonant frequency.Electronic device 50 can also wrap
Include data storage cell 52 and transmission unit 53.Data storage cell 52 is responsible for processing and the storage of metrical information.Transmission unit
53 are responsible for transmission processing and metrical information.
The present invention also provides a kind of intraocular pressure method for monitoring (Fig. 6), include the following steps：
(A) resonant frequency of the relevant cornea eye shape of more than one different intraocular pressures is collected as intraocular pressure and resonant frequency
Calibration relation 60；
(B) contact of contact lenses device is placed on 61 on eyes；
(C) electromagnetic radiation 62 of variation in frequency range is applied；
(D) measurement and the resonant frequency 63 of cornea shape connection；
(E) calibration relation of step (A) is corresponded to from the resonant frequency measured to determine the intraocular pressure 64 of eyes.
Shown in first embodiment combination Fig. 1 and Fig. 2, Fig. 2 is the section of Fig. 1, which includes being had by transparent
The lens 2 that the flexible materials such as machine silicon or silica gel hydrogel are formed.Lens 2 are designed such that contact is placed on eyes 100 (figure
2).Lens 2 include the optics area 21 of the central circular with covering cornea 101 and part covering cornea 101 and sclera 102
Peripheral region 22.Profile sensor 3 is embedded in the peripheral region 22 of lens 2.Profile sensor 3 includes being configured to have multiple lines
Enclose the conducting wire 31 of the spiral winding of circle.The impedance of conducting wire 31 changes with the spatial position of coil turn.The horizontal direction of coil turn
Wire spacing is increased (Fig. 1) with equidistant dh.The lengthwise position of coil turn follows the profile { dv1, dv2, dv3, dv4 } of lens 2
(Fig. 2).Initiating terminal and the end of conducting wire are connected to containing capacitive element 32 to form circuit.
Specifically, in one embodiment, the base curve of lens 2 be 8.7mm, a diameter of 14.0mm, central optical zone 21 it is straight
Footpath is 3.0mm, center thickness 0.25mm.Optionally, the base curve of central optical zone 21 and peripheral region 22 is gradual change, is allowed
Mirror 2 is more effectively fitted on eyes.
2 material of lens includes any one or more following organosilicon, silica gel hydrogel and hydrogel.2 material of lens is excellent
It elects transparent material as, does not stop user sight.Meanwhile 2 material of lens is flexible material, and 2 profile of lens is made to have larger freedom
Variation.
Profile sensor 3 includes the conducting wire 31 for being configured to the spiral winding with 3 coil turns.The horizontal direction of coil turn
Wire spacing is increased with spacing dh=0.5mm, and the diameter of outermost coil turn is about 12.0mm.2.5pF thin-film capacitors part 32 connects
Initiating terminal and the end of conducting wire 31 are connect to form circuit.
Shown in second embodiment combination Fig. 3 and Fig. 4, Fig. 4 is the section of Fig. 3.The contact lenses device 1 includes being had by transparent
The lens 2 that the flexible materials such as machine silicon or silica gel hydrogel are formed.Lens 2 are designed such that contact is placed on eyes 100 (figure
4).Lens 2 include the optics area 21 of the central circular with covering cornea 101 and part covering cornea 101 and sclera 102
Peripheral region 22.Profile sensor 3 is embedded in the peripheral region 22 of lens 2, and profile sensor 3 includes being configured to have multiple lines
The conducting wire 31 of the spiral winding of circle is enclosed, the impedance of conducting wire 31 changes with configuration and environment, and conducting wire 31 is connected to containing capacitive element 32
Initiating terminal and end to form circuit.Environmental sensor 4 is embedded in the peripheral region 22 of lens or position is embedded in lens 2
Vision area 21 in, environmental sensor 4 include be configured to have one or more coil turn spiral winding conducting wire 41, conducting wire
41 impedance changes with environment, and capacitive element 42 is connected to initiating terminal and the end of conducting wire 41 to form circuit.
Specifically, in one embodiment, the base curve of lens 2 be 8.7mm, a diameter of 14.0mm, central optical zone 21 it is straight
Footpath is 3.0mm, and center thickness 0.25mm, the thickness of 2 peripheral region 22 of lens is less than optics area 21.Optionally, central optical zone
21 and peripheral region 22 base curve for gradual change, lens 2 is allowed more effectively to be fitted on eyes.
2 material of lens includes any one or more following organosilicon, silica gel hydrogel and hydrogel.2 material of lens is excellent
It elects transparent material as, does not stop user sight.Meanwhile 2 material of lens is flexible material, and 2 profile of lens is made to have larger freedom
Variation.
Profile sensor 3 includes the conducting wire 31 for being configured to the spiral winding with 3 coil turns, and the width of conducting wire 31 is
0.3mm.The horizontal direction wire spacing of coil turn is increased with spacing dh=0.5mm, and the diameter of outermost coil turn is about
12.0mm.The initiating terminal of 32 connecting wire 31 of 2.5pF thin-film capacitors part and end are to form circuit.
Environmental sensor 4 includes the conducting wire 41 for being configured to the spiral winding with 2 coil turns, and the width of conducting wire 41 is
0.1mm.The horizontal direction wire spacing of coil turn is increased with spacing dh=0.5mm, and the diameter of outermost coil turn is about
6.0mm.The initiating terminal of 42 connecting wire 41 of 2.0pF thin-film capacitors part and end are to form circuit.
Preferably, conducting wire is made of any material that can be conductive, can be any conducting metal, including in these metals
One or more alloy, polysilicon or semi-conducting materials.In a preferred embodiment, conducting wire is made of gold.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Any modification, equivalent replacement and improvement made within principle etc. should all be fallen within the scope and spirit of the invention.
Claims (18)
1. a kind of contact lenses device for being used to determine cornea shape, which is characterized in that including：
Lens are configurable for contact and are placed in eye surface and its profile is adapted to the cornea shape of eyes, including：
The optics area of central circular with covering cornea and the periphery of the concentric circumferences border region of part covering cornea and sclera
Area；
The sensor in embedded lens perimeter area, including：It is configured to the conducting wire with the spiral winding of one or more coil turn, institute
The impedance for stating conducting wire changes with configuration；
Horizontal direction line spacing between coil turn is from inner ring to outer ring with equidistant increase；
Lengthwise position between coil turn is from interior circle to outer circle with lens contour；
To form circuit, circuit is encouraged by external electromagnetic radiation for starting and end of at least one capacitance connection to conducting wire.
2. it is used to determine the contact lenses device of cornea shape according to claim 1, it is characterised in that：The group of the conducting wire
State is correlated with lens contour.
3. it is used to determine the contact lenses device of cornea shape according to claim 1-2, it is characterised in that：The circuit
Resistance is expanded correlates with lens contour, can generate resonance under the electromagnetic radiation for being subject to dependent resonant frequency encourages, may thereby determine that
Corneal profile.
4. it is used to determine the contact lenses device of cornea shape according to claim 1, it is characterised in that：The lens by
Flexible polymer material composition.
5. it is used to determine the contact lenses device of cornea shape according to claim 1, it is characterised in that：The lens by
The polymer material composition of light transmission.
6. it is used to determine the contact lenses device of cornea shape according to claim 4-5, it is characterised in that：The polymerization
Object material is silicones, silicon hydrogel or hydrogel.
7. a kind of contact lenses device for being used to determine cornea shape, which is characterized in that including：
Lens are configurable for contact and are placed in eye surface and its profile is adapted to the cornea shape of eyes, including：
The optics area of central circular with covering cornea and the periphery of the concentric circumferences border region of part covering cornea and sclera
Area；
The profile sensor in embedded lens perimeter area, including：It is configured to leading for the spiral winding with one or more coil turn
Line, the impedance of the conducting wire change with configuration and environment；
Horizontal direction line spacing between coil turn is from inner ring to outer ring with equidistant increase；
Lengthwise position between coil turn is from interior circle to outer circle with lens contour；
To form circuit, circuit is encouraged by external electromagnetic radiation for starting and end of at least one capacitance connection to conducting wire；
The atmospheric reference sensor in embedded lens perimeter area, including：It is configured to the spiral winding with one or more coil turn
Conducting wire, the impedance of the conducting wire changes with environment；
Horizontal direction line spacing between coil turn is from inner ring to outer ring with equidistant increase；
Lengthwise position between coil turn is from interior circle to outer circle with lens contour；
At least one capacitor is connected to starting and the end of conducting wire to form circuit, and circuit is encouraged by external electromagnetic radiation.
8. it is used to determine the contact lenses device of cornea shape according to claim 7, it is characterised in that：The group of the conducting wire
State is correlated with lens contour.
9. it is used to determine the contact lenses device of cornea shape according to claim 7-8, it is characterised in that：Profile sensor
The resistance expansion of circuit is correlated with lens contour, and resonance can be generated under the electromagnetic radiation for being subject to dependent resonant frequency encourages, so as to
To determine corneal profile.
10. it is used to determine the contact lenses device of cornea shape according to claim 7, it is characterised in that：The circuit
Resistance is expanded related to neighbouring physics and chemical environmental conditions.
11. it is used to determine the contact lenses device of cornea shape according to claim 9, it is characterised in that：The lens
It is made of flexible polymer material.
12. it is used to determine the contact lenses device of cornea shape according to claim 9, it is characterised in that：The lens
It is made of the polymer material of light transmission.
13. it is used to determine the contact lenses device of cornea shape according to claim 11-12, it is characterised in that：Described
Polymer material is silicones, silicon hydrogel or hydrogel.
14. a kind of system for determining cornea shape, it is characterised in that：The system comprises the stealthy eyes of claim 1 or 7
Lens device and electronic device, electronic device include control unit, and described control unit is configured to change in frequency range
Electromagnetic radiation inquire the circuit in the contact lenses device, electromagnetic radiation cause circuit with the inductance with sensing element into
The frequency resonance of direct ratio, and there is extreme back scattering to electronic device, control unit processing back-scattered electromagnetic radiation
And the resonant frequency of measuring circuit.
15. the system according to claim 14 for determining cornea shape, it is characterised in that：The electronic device also wraps
It includes responsively to store the data storage cell of the information of the electromagnetic radiation of reflection.
16. the system according to claim 14 for determining cornea shape, it is characterised in that：The electronic device also wraps
Include the transmission unit of the information of the electromagnetic radiation in response to transmission reflection.
17. a kind of intraocular pressure method for monitoring, which is characterized in that the method includes the steps：
(A) resonant frequency of the relevant cornea eye shape of more than one different intraocular pressures is collected as intraocular pressure and the school of resonant frequency
Quasi- relation；
(B) contact of contact lenses device is placed on eyes；
(C) electromagnetic radiation of variation in frequency range is applied；
(D) measurement and the resonant frequency of cornea shape connection；
(E) calibration relation of step (A) is corresponded to from the resonant frequency measured to determine the intraocular pressure of eyes.
18. intraocular pressure method for monitoring according to claim 17, it is characterised in that：The period progress for being additionally included in setting is more
Secondary measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711497780.5A CN108065909A (en) | 2017-12-29 | 2017-12-29 | For determining the contact lenses device of cornea shape, system and intraocular pressure method for monitoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711497780.5A CN108065909A (en) | 2017-12-29 | 2017-12-29 | For determining the contact lenses device of cornea shape, system and intraocular pressure method for monitoring |
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| CN108065909A true CN108065909A (en) | 2018-05-25 |
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ID=62156135
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| CN201711497780.5A Withdrawn CN108065909A (en) | 2017-12-29 | 2017-12-29 | For determining the contact lenses device of cornea shape, system and intraocular pressure method for monitoring |
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Cited By (7)
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| CN110292351A (en) * | 2019-07-12 | 2019-10-01 | 华中科技大学 | Change inductance type contact lenses intraocular pressure sensor and its preparation based on microfluid electronics |
| CN110292352A (en) * | 2019-07-12 | 2019-10-01 | 华中科技大学 | A kind of power transformation sense wireless type intraocular pressure monitoring sensor based on microfibre pipe |
| CN111345777A (en) * | 2018-12-21 | 2020-06-30 | 中国科学院半导体研究所 | Wearable intraocular pressure detection device and detection method based on corneal contact lens grating |
| CN112603258A (en) * | 2020-12-08 | 2021-04-06 | 南京大学 | Intelligent contact lens for monitoring intraocular pressure |
| CN113396357A (en) * | 2018-12-05 | 2021-09-14 | 哈尼塔镜片公司 | Contact lenses with adjustable curvature |
| CN113712506A (en) * | 2021-09-08 | 2021-11-30 | 无锡市第二人民医院 | Intraocular pressure sensing system based on Moire patterns and intraocular pressure measuring method |
| EP4290298A1 (en) * | 2022-06-12 | 2023-12-13 | Pegavision Corporation | Contact lens |
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