CN218272952U - Optometry and light testing glasses - Google Patents

Abstract

The utility model discloses an optometry light testing glasses, hold in the palm including mirror holder, mirror leg, lens and nose. The glasses frame is characterized in that a glasses leg adjusting support for enabling the glasses legs to move back and forth relative to the glasses frame is arranged between the glasses frame and the glasses legs, a pupil distance adjusting structure is arranged on the glasses frame, a nose support adjusting support is further arranged between a nose support and the glasses frame, and a astigmatism axis adjusting device is further arranged on the glasses frame. The structure of the optometry and optometry glasses can be adjusted at will, and the structure comprises a pupil distance, a spectacle-eye distance, a spectacle-frame distance and the like. Through adjusting, the patient can use the trial spectacle frame who best suits oneself to carry out the optometry, makes the optometry error fall to minimumly. The dioptric lens and the astigmatic lens are mutually attached through the plane of the trial lens frame constraint lens, the focal length deviation of the dioptric lens and the astigmatic lens is reduced as far as possible, the optometry error is reduced or eliminated to the greatest extent, and the optometry experience is improved. Avoid the patient because the unable secondary rework problem that adapts to glasses appearance, guarantee that the patient obtains when using the test light glasses and use in daily life and prepare the same experience sense when glasses.

Description

Optometry and light testing glasses

Technical Field

The utility model relates to a glasses fitting technical field especially relates to an optometry test glasses.

Background

Most existing eyeglass stores mainly adopt the insert optometry method for checking the eye degree, a patient wears a special eyeglass frame, lenses are added or subtracted in front of the eyes of the patient, an optometrist repeatedly tests an optometry table according to the feedback of the patient, and finally determines the eye prescription of the patient, the glasses are processed according to the prescription to correct ametropia, and the existing insert optometry glasses have the following defects:

1. the structure of the spectacle frame is fixed or can be finely adjusted, so that a patient cannot use the best fitting spectacle frame, and the probability of error in the optometry process is increased;

2. the existing trial lenses are formed by combining two or more of astigmatism and refraction to realize the function of an eyeglass single lens in actual wearing, and a gap is formed between the two lenses, so that the trial lenses generate aberration after being worn with actually used lenses with the same degree, and the deviation from the actual wearing effect is large;

3. the existing fitting mode of the trial spectacle frame and the trial lenses causes that a patient cannot obtain the experience closest to that of wearing spectacles during the optometry, and the patient often needs a long adaptation time after the spectacles are assembled after the optometry;

4. the superposition weight of a plurality of lenses of the trial spectacle frame is too heavy, so that the trial spectacle frame is uncomfortable to wear;

5. due to technical reasons, the light testing lens is a pair of small-hole glasses, and the best eyesight is judged only by the pair of small-hole glasses, so that the accuracy is poor;

6. the appearance can not realize the urgent need of fitting the glasses of the patient, can only be used as the try-on glasses.

Disclosure of Invention

To the problem that exists, the utility model aims at providing an optometry test glasses, it solves the unable complete adaptation patient of present optometry glasses, and the person's field of vision is worn in the restriction of test lenses, and the aberration is very big with the deformation, leads to appearing obvious bad phenomena scheduling problem such as the image is unclear, the field of vision is crooked, reduced the optometry error, improve optometry experience, make the patient can obtain the glasses that are most fit for oneself to can directly wear, satisfy advantages such as patient's urgent lens prescription requirement.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an optometry glasses that try light, glasses are including the mirror holder of assembly lens, the mirror leg of being connected with the mirror holder middle part still has nose and holds in the palm its characterized in that: the glasses comprise a glasses frame and a nose support, wherein a glasses leg adjusting support is arranged between the glasses frame and the glasses legs, the glasses leg adjusting support enables the glasses legs to move back and forth relative to the glasses frame, a pupil distance adjusting structure is arranged on the glasses frame, the nose support adjusting support is further arranged between the nose support and the glasses frame, and an astigmatism axis degree adjusting device is further arranged on the glasses frame.

Preferably, the mirror holder comprises crossbeam and symmetry and slip cover at the lens frame at crossbeam both ends, interpupillary distance adjustment structure is for setting up at every side just compress tightly on the lens frame interpupillary distance adjusting roller on the crossbeam.

Preferably, the temple adjusting bracket is of an L-shaped structure and is vertically connected to the end of the cross beam, and the temple horizontally slides and penetrates into the temple adjusting bracket in a close fit manner.

Preferably, the vertical cover of nose support adjusting bracket is established the crossbeam middle part, the horizontal slip of nose support adjusting bracket bottom is worn to be equipped with eye distance regulating shaft and is compressed tightly the eye distance adjusting roller above that, the nose support articulates the tip of eye distance regulating shaft, and be provided with on the nose support can with eye distance regulating shaft is with the contact of tongue and groove structure cooperation or the nose support angle regulating wheel of separation.

Preferably, both sides detachable in proper order is equipped with astigmatism spacing ring and the refraction spacing ring of installation assembly astigmatism lens and refraction lens on the lens frame, astigmatism spacing ring inboard still rotates the astigmatism axiality that is provided with embedding astigmatism lens and adjusts the rack, and in one side be provided with on the lens frame with astigmatism axiality adjust the astigmatism axiality adjusting roller of rack toothing.

The beneficial effects of the utility model are that:

1. the structure of the optometry and optometry glasses can be adjusted at will, including but not limited to the interpupillary distance (the adjustment of different interpupillary distances of left and right eyes can be realized), the spectacle-eye distance, the spectacle-frame distance and the nose support angle. Through adjusting, the patient can use the trial spectacle frame that suits oneself best to carry out the optometry, makes the optometry error reduce to minimumly.

2. During the optometry, the test lens matched with the test lens frame adopts a plano-concave aspheric lens, the dioptric lens and the astigmatic lens are mutually attached through the constraint lens plane of the test lens frame, the focal length deviation of the test lens and the real lens is reduced as far as possible, so that the vision deformation of a patient during the optometry is small, a clearer and more comfortable visual effect is presented, the visual objects are more vivid, the optometry error is reduced or eliminated to the maximum extent, the optometry experience is improved, and the patient can obtain the glasses which are most suitable for the patient.

3. When in optometry, the dioptric lens and the astigmatic lens are respectively installed in a single piece, so that the quality of the test glasses is reduced, and the comfort is improved.

4. The size of the lens is the same as that of the mainstream spectacle lens, and the precision is improved by one order of magnitude.

5. Compared with the common glasses, the appearance is more beautiful, and the requirement of emergency glasses fitting of patients can be met.

6. The problem of secondary rework of the patient because of unable adaptation glasses appear is avoided completely, guarantees to the at utmost that the patient obtains the experience sense the same when using the fitting glasses and using in daily life when preparing glasses.

Drawings

Fig. 1 is a front view of the optometry and testing glasses of the present invention.

Fig. 2 is a side view of the optometry and test glasses of the present invention.

Fig. 3 is a view of the structure of the nose pad of the glasses of the present invention.

Figure 4 is the view of the partially exploded structure of the astigmatic lens of the present invention.

Fig. 5 is a view of the structure of the dioptric lens of the present invention.

Figure 6 is a schematic diagram of interpupillary distance adjustment of the present invention.

Fig. 7 is a schematic view of adjustment of astigmatism axis of the present invention.

Fig. 8 is a schematic view of the temple distance adjustment of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 8, the glasses for optometry and trial comprise a frame 1 for assembling lenses, a glasses leg 2 connected with the frame 1, and a nose pad 9 arranged in the middle of the frame. In order to solve a plurality of defects of the prior optometry glasses, as shown in fig. 8, a glasses leg adjusting bracket 4 for moving the glasses leg 2 back and forth relative to the glasses frame 1 is arranged between the glasses frame 1 and the glasses leg 2, and the glasses leg 2 is adjusted relative to the astigmatic lens 5b and the dioptric lens 8a assembled on the glasses frame 1 by adjusting the glasses leg 2 and the glasses leg adjusting bracket 4;

as shown in fig. 6, an interpupillary distance adjusting structure is provided on the spectacle frame 1, and the interpupillary distance of the astigmatic lenses 5b and dioptric lenses 8a assembled on the spectacle frame 1 is adjusted by the interpupillary distance adjusting structure;

as shown in fig. 3, a nose pad adjusting bracket 3 is further disposed between the nose pad 9 and the frame 1, which can adjust the angle of the nose pad and is suitable for different patients to wear;

as shown in fig. 7, the frame 1 is further provided with an astigmatism axis adjustment device which can adjust the astigmatism axis of the astigmatic lens 5 b.

Specifically, as shown in fig. 2, the frame 1 is composed of a cross beam 1a and lens frames 1b symmetrically and slidably sleeved at two ends of the cross beam 1a, and astigmatic lenses 5b and dioptric lenses 8a are sequentially loaded in the lens frames 1b at two sides. The interpupillary distance adjusting structure is arranged on each side of the lens frame 1b and tightly presses the interpupillary distance adjusting roller 7 on the cross beam 1 a. Preferably, the interpupillary distance adjusting rollers 7 and the surface of the beam 1a are tightly matched through a frosting surface to realize the relative adjustment or the independent adjustment of the lens frames 1b at two sides, and further realize the interpupillary distance adjustment of the lenses at two sides.

Specifically, as shown in fig. 1 and 8, the temple adjusting bracket 4 is an L-shaped structure, and is vertically connected to an end of the cross beam 1a, and the temple 2 horizontally slides and is inserted into the temple adjusting bracket 4 in a tight fit manner. Preferably, the temple 2 and the temple adjusting bracket 4 are connected through a square shaft square hole (shown in a position a in 8), the contact surface is a frosted surface, and the temple 2 and the temple adjusting bracket are mutually matched in a sliding mode to realize the position adjustment of the temple 2 relative to the spectacle frame 1.

Specifically, as shown in fig. 2-3, the nose support adjusting bracket 3 is vertically sleeved on the middle portion of the cross beam 1a, the bottom of the nose support adjusting bracket 3 horizontally slides to penetrate through the lens eye distance adjusting shaft 12 and the lens eye distance adjusting roller 11 pressed on the lens eye distance adjusting shaft, and preferably, the surfaces of the lens eye distance adjusting roller 11 and the lens eye distance adjusting shaft 12 are in frosted surface contact and are in close fit. The nose support 9 is hinged at the end part of the eye distance adjusting shaft 12, and a nose support angle adjusting wheel 10 which can be in contact fit with or separated from the eye distance adjusting shaft 12 in a concave-convex groove structure is arranged on the nose support 9. The nose pad 9 is adjusted in the following way: the eye distance adjusting roller 11 rotates to drive the eye distance adjusting shaft 12 to drive the nose support 9 to horizontally move back and forth, so that the eye distance between the eyes of a patient and the lenses is adjusted;

as shown in fig. 3, the nose holds in the palm 9 both ends and rotates in proper order and penetrates to the 12 both sides of eyes apart from the regulating shaft, during the regulation, outside drive nose holds in the palm angle modulation wheel 10, make it break away from the tongue and groove structure cooperation with 12 lateral walls of eyes apart from the regulating shaft, rotatory nose holds in the palm angle modulation wheel 10 under this state, and then drive the vertical rotation of nose support 9, adjust to suitable position back-withdrawing round pin and hold in the palm the drive power of angle modulation wheel 10 to the outside, nose holds in the palm angle modulation wheel 10 and eyes apart from the contact of regulating shaft 12 lateral walls and realize the spacing cooperation of tongue and groove, in order to reach the effect of laminating the bridge of the nose completely.

Specifically, as shown in fig. 1-2, an astigmatism limiting ring 5c and a refraction limiting ring 8b for installing an astigmatism lens 5b and a refraction lens 8a are sequentially and detachably assembled on the lens frames 1b at two sides, and both the two lenses adopt plano-concave aspheric lenses; the astigmatic 5c and dioptric 8b stop rings in turn fix the astigmatic 5b and dioptric 8a lenses to the lens frame 1 b. During actual inspection, 25 degrees are taken as an interval, the number of lenses with corresponding degrees and the limiting rings with the same number are manufactured, the lenses and the limiting rings with the corresponding degrees are mutually and correspondingly fixed and constrained, when the lens frame 1b is used, the lenses with the corresponding degrees and the limiting rings are selected and assembled on the lens frame 1b according to needs, and the dioptric lens 8a and the astigmatic lens 5b are respectively used one at a time.

Specifically, according to the optometry requirement, the astigmatic lens 5b and the dioptric lens 8a are in front and back positions in space and are attached to each other in front and back in space, when the lenses are manufactured, the two lenses are attached, and the lens surfaces are preferably two approximate planes to the greatest extent, so that the lenses are attached tightly.

Therefore, under the structure, the quality of the test glasses can be reduced by performing optometry by using a single lens each time, the myopia lens part and the astigmatism lens part are bound by the lens frame to be mutually attached (as shown in figures 4 and 5), and the light deviation influence is reduced to the maximum extent.

The inner side of the astigmatism limit ring 5c is also rotatably provided with an astigmatism axis adjusting rack 5a embedded with an astigmatism lens 5b, and the lens frame 1b on one side is provided with an astigmatism axis adjusting roller 6 meshed with the astigmatism axis adjusting rack 5 a. The adjustment of the astigmatism axis of the astigmatic lens 5b (as shown in fig. 7) can be achieved by rotating the astigmatism axis adjustment roller 6, and preferably a minute adjustment of 0.5 degrees can be achieved.

The principle of the utility model is that: realize the adjustment of 1 interpupillary distance of mirror holder through interpupillary distance adjusting roller 7, realize the adjustment of mirror surface to distance between the pupil through adjusting lens distance adjusting roller 11, realize the adjustment of mirror leg 2 for the mirror surface distance through adjustment mirror leg 2 and mirror leg adjusting bracket 4, hold in the palm the adjustment of angle regulating wheel 10 realization nose through rotatory nose and hold in the palm the angle.

After accomplishing through above-mentioned each item adjustment, can obtain a complete adaptation patient's test mirror frame, at the optometry in-process, obtain patient's optometry data through the dioptric lens 8a and the astigmatic lens 5b of changing different powers, the adjustment of astigmatic axis degree is realized through astigmatic axis degree regulating roller 6.

Particularly, the following operations need to be completed in the actual lens preparation:

1. the pupillary distance, the spectacle-eye distance and the relative ear-to-spectacle distance of the patient's left and right eyes are obtained in a measuring way;

2. after the data are obtained, the spectacle frame 1 is adjusted, the patient tries to wear the spectacle frame after the adjustment is finished according to the corresponding data, and the angle of the nose pad 9 is adjusted at the same time, so that the spectacle frame 1 carried by the patient in optometry is completely suitable for the patient;

3. the patient adapts to the environment in the optometry room, and an optometrist determines a rough vision interval according to the examination of the patient, prepares a test lens which may be needed, and saves optometry time;

4. the optometry process is completed by replacing the dioptric lenses 8a and the astigmatic lenses 5b with different degrees, and the astigmatic axis degree adjusting roller 6 is adjusted to realize the adjustment of the astigmatic axis degree;

5. after optometry is finished, a patient selects a spectacle frame by taking the trial spectacle frame as a reference according to self conditions, and the trial spectacles can be taken away for emergency use under special conditions that the spectacles are urgently needed;

6. the patient uses the trial glasses to roughly simulate daily working scenes in a store, and the selection and the degree of the prepared lens are determined according to the trial lenses after no inappropriate reaction exists, so that the lens preparation is completed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides an optometry glasses that try light, glasses are including mirror holder (1) of assembly lens, with mirror leg (2) that mirror holder (1) are connected mirror holder middle part still has nose support (9), its characterized in that: be provided with mirror leg adjusting bracket (4) with mirror leg (2) for mirror leg (1) back-and-forth movement between mirror holder (1) and mirror leg (2) be provided with interpupillary distance adjustment structure on mirror holder (1) still be provided with nose between nose support (9) and mirror holder (1) and hold in the palm adjusting bracket (3), and still be provided with astigmatism axial degree adjusting device on mirror holder (1).

2. An optometric pair of claim 1, wherein: the spectacle frame (1) is formed by a beam (1 a) and symmetrical and sliding sleeves, wherein the lens frames (1 b) are arranged at two ends of the beam (1 a), and the pupil distance adjusting structure is arranged on each side of each lens frame (1 b) and tightly presses the pupil distance adjusting rollers (7) on the beam (1 a).

3. An optometric pair of claim 2, wherein: support (4) are adjusted to mirror leg is L type structure, and its vertical connection is in the tip of crossbeam (1 a), mirror leg (2) horizontal slip and tight fit penetrate to in mirror leg adjusts support (4).

4. An optometric pair of claim 3, wherein: the nose holds in the palm and adjusts the vertical cover of support (3) and establish crossbeam (1 a) middle part, the nose holds in the palm and adjusts support (3) bottom horizontal slip and wears to be equipped with eye apart from regulating spindle (12) and compress tightly eye apart from adjusting roller (11) above that, nose holds in the palm (9) and articulates the tip of eye apart from regulating spindle (12), and be provided with on nose holds in the palm (9) can with eye apart from regulating spindle (12) hold in the palm angle regulating wheel (10) with the nose of tongue and groove structure contact cooperation or separation.

5. An optometric spectacle lens according to claim 4, wherein: both sides detachable in proper order is equipped with astigmatism spacing ring (5 c) and refraction spacing ring (8 b) of installation astigmatism lens (5 b) and refraction lens (8 a) on lens frame (1 b), astigmatism spacing ring (5 c) inboard is still rotated and is provided with astigmatism axis degree regulation rack (5 a) of embedding astigmatism lens (5 b), and in one side be provided with on lens frame (1 b) with astigmatism axis degree regulation gyro wheel (6) of astigmatism axis degree regulation rack (5 a) meshing.

Images