CN213098722U - Wear myopia prevention device night - Google Patents

Abstract

The utility model relates to a teenagers 'myopia device field, concretely relates to wear myopia prevention's device night. Comprises a spectacle frame, wherein both sides of the spectacle frame are provided with flexible spectacle legs or elastic belts, an eyeball positioning structure is arranged in the spectacle frame, the eyeball positioning structure is annular, a compression spring is arranged between one side of the eyeball positioning structure in the horizontal direction and the spectacle frame, an adjusting bolt is arranged between the other side of the eyeball positioning structure and the spectacle frame, the bottom of the adjusting bolt is clamped in the eyeball positioner and is hinged with the eyeball positioning structure, the head of the adjusting bolt is arranged at the outer side of the spectacle frame, an arc-shaped pressure structure area for applying pressure to the cornea is arranged inside the eyeball positioning structure, the arc-shaped pressure structure area is fixedly connected with the eyeball positioning structure, and the pressure diaphragm is arranged on the inner surface of the arc pressure structure area, the utility model can effectively solve the problems that the orthokeratology lens worn in the eye is inconvenient to use, troublesome to clean and care and has more side effects.

Description

Wear myopia prevention device night

Technical Field

The utility model relates to an improve or prevent teenagers' myopia device field, concretely relates to wear myopia prevention device night.

Background

The current orthokeratology lens is mainly worn at night, and the wearing mode and the wearing position are similar to those of contact lenses. The cornea shaping mirror is placed between the cornea and the eyelid at night, and the specific structure of the cornea shaping mirror generates non-uniform pressure on different parts of the cornea through the pressure generated by the eyelid on the cornea shaping mirror, so that the cornea is deformed, the curvature radius is increased, and the refractive power of the cornea is reduced. The deformed cornea has certain memory function, so that the cornea can keep the form of low refractive power even if the cornea is not worn with a cornea shaping mirror in the daytime, and a patient does not need to wear glasses or the number of wearing glasses is reduced in the daytime.

However, the orthokeratology lens has the following problems caused by wearing in the eye: (1) the eye-washing and nursing are troublesome when being worn in eyes; (2) the eye-protecting cap is worn in eyes, so that the discomfort of a user and the inconvenience of use at night are caused; (3) when worn in eyes, the eye mask has more side effects, such as eye infection and the like.

SUMMERY OF THE UTILITY MODEL

To the problem in the above-mentioned technique, the utility model aims to provide a wear myopia prevention device night for solve and wear in the moulding mirror of intraocular cornea and use inconvenient, wash the trouble of nursing and the more problem of side effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme: including the picture frame, the both sides of picture frame are equipped with flexible mirror leg or elastic webbing, be equipped with eyeball location structure in the picture frame, eyeball location structure is ring shape, be equipped with compression spring between one side of eyeball location structure horizontal direction and the picture frame, be equipped with adjusting bolt between eyeball location structure's opposite side and the picture frame, adjusting bolt's bottom joint is articulated between the inside of eyeball locator and eyeball location structure, adjusting bolt's head sets up the outside at the picture frame, eyeball location structure's inside is equipped with the arc pressure structure district that exerts pressure to the cornea, fixed connection between arc pressure structure district and the eyeball location structure, and be equipped with the pressure diaphragm on arc pressure structure district internal surface.

The utility model discloses a theory of use as follows: the patient is the same with ordinary spectacles wearing mode when using, adjusts eyeball location structure to the position that is fit for the patient to use through adjusting bolt, the center of eyeball and eyeball location structure's the center coaxial can, after adjusting eyeball location mechanism's position, will the utility model discloses wear outside the eyelid, laminate and apply inhomogeneous pressure to the eyelid with the part of eyelid, this pressure passes through the eyelid and transmits the cornea to make the cornea produce with the deformation of the moulding mirror similar action of cornea, and the pressure diaphragm that is equipped with in the arc pressure structural region can export the pressure of the arc pressure structural region that detects to the auxiliary assembly of supporting use in, carries out real time monitoring and regulation to pressure, makes the patient use safety more. The utility model discloses only contact with the eyelid outside, not contact with the cornea to it is more convenient to make the use, and teenagers' compliance is higher, avoids or has reduced the risk like eye infection simultaneously.

Further, the length of the elastic belt can be adjusted, and the elastic belt has the advantages that: the elastic band is more convenient and stable for wearing of the leg of a glasses, and the comfort of the user for use at night is higher.

Further, the soft layer of rubber of increase frictional force is equipped with at the end of mirror leg, its beneficial effect lies in: when the arc-shaped pressure structure area exerts pressure on the cornea, the wearing is not easy to slide.

Further, the arc-shaped pressure structural area is elastically connected with the eyeball positioning structure, and the eyeball positioning structure has the advantages that: the distance between the pressure structure area and the eyeball positioning structure or the height difference in the direction of the eye axis is related to the measured parameters of the patient, and the height difference is smaller than the height difference between the action position of the corresponding eyeball positioning structure area on the measured eyelid of the patient and the position of the eyelid corresponding to the cornea, so that the pressure structure area generates pressure on the position of the eyelid corresponding to the cornea, and further generates correction pressure on the cornea.

Further, the radius of curvature of the arc-shaped pressure structure area is larger than that of the cornea of the wearer and that of the eyelid scanning contour, which is beneficial to the following: the pressure structure region may exert greater pressure on the cornea against the central apex of the cornea, thereby causing the radius of curvature of the cornea to increase.

Further, the pressure diaphragm is provided with a pressure receiver which is used in a matched mode, and the pressure diaphragm has the advantages that: the pressure that can real time monitoring arc pressure structure district applyed to the eyelid makes patient's use safe and reliable more, and according to pressure can adjust wearing the elasticity condition of this device in real time and adjust the pressure of applying, makes the effect of wearing better.

Further, the pressure structure area applies pressure to the eyelid less than 10 newtons, which is beneficial in that: the proper pressure can not cause discomfort of eyes of the user, and the use is more comfortable.

Further, the pressure applied by the pressure structure area to the eyelid is preferably 2-5 newton.

Further, the pressure exerted by the pressure structure area on the cornea through the eyelid should be less than 1.5 newtons.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic side view of an embodiment of the present invention.

Fig. 3 is a schematic front view of an embodiment of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the glasses comprise glasses legs 1, a glasses frame 2, an eyeball positioning structure 3, an arc-shaped pressure structure area 4, a compression spring 5 and an adjusting bolt 6.

It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The specific implementation process is as follows:

as shown in fig. 1: the utility model provides a wear myopia prevention device night, it is main including picture frame 2, mirror leg 1, eyeball location structure 3 and arc pressure structure district 4, both sides at picture frame 2 are provided with mirror leg 1, this mirror leg 1 adopts the preparation of flexible silica gel material, its end is equipped with the antiskid hook that prevents that the patient from wearing the soft layer of rubber antiskid that skids or hooking the ear, be equipped with eyeball location structure 3 in picture frame 2, set up eyeball location structure 3's aim at, make the arc pressure structure district 4 that sets up in eyeball location structure 3 can be just to patient's cornea region, implement certain pressure to the cornea, the effect that the patient that makes to wear can be obtained is better.

As shown in fig. 2 and 3, eyeball location structure 3's both sides limit is provided with compression spring 5 and adjusting bolt 6 respectively, adjusting bolt 6's bottom joint in the inside of eyeball locator side, and can realize relative rotation between the eyeball location structure 3, screw up and unscrew adjusting bolt 6, can adjust eyeball location structure 3 relative position in picture frame 2, make the utility model discloses can generally be practical to more crowds, make the eyelid of laminating patient that its inside arc pressure structural region 4 can be better after the adjustment simultaneously, the below of laminating eyelid is exactly the cornea region, makes the arc pressure structural region 4 can be better exert pressure in the cornea region, makes the effect of wearing of acquireing better.

Wherein, the eyeball positioning structure 3 is an annular hard structure and mainly used for fixing the eyeball so that the arc-shaped pressure structure area 4 is matched with the position of the cornea; two eyes have 2 eyeball location structures 3, and the distance between eyeball location structures 3 can be adjusted by adopting an adjusting bolt 6 according to the eyeball distance actually measured by a wearer, so that the eyeball location structures 3 are adapted to the individual parameters of the eyes of the wearer. The eye positioning structure 3 may be a ring-shaped structure, which is worn to be located in the eyelid area corresponding to the periphery of the cornea.

The pressure structure zone is located within the eye structure location area, which corresponds to the corneal location, and the structure of which is closely related to the measured ocular parameters, such as size, radian, etc. Meanwhile, a pressure diaphragm is arranged in the area to collect the pressure of the part on the eyeball, and the pressure generated by the arc-shaped pressure structure area 4 on the eyelid is output to a matched instrument, so that the pressure can be monitored and adjusted at any time.

Wherein the curved pressure structure region 4 has a curved shape, but has a radius of curvature larger than the radius of curvature of the cornea and the radius of curvature of the eyelid scanning contour of the wearer, so that the curved pressure structure region 4 can apply a larger pressure to the cornea at the central vertex of the cornea, thereby increasing the radius of curvature of the cornea, and the pressure applied to the eyelid should be less than 10 newtons, preferably less than 5 newtons, and more preferably less than 2 newtons. The pressure transmitted to the cornea through the eyelid should be less than 1.5 newtons.

Preferably, the arc-shaped pressure structure region 4 and the eyeball positioning structure 3 are elastically connected, and the advantages are that: the distance between the pressure structure area and the eyeball positioning structure 3 or the height difference in the direction of the eye axis is related to the measured parameters of the patient, and the height difference is smaller than the height difference between the action position of the area corresponding to the eyeball positioning structure 3 on the measured eyelid of the patient and the position of the eyelid corresponding to the cornea, so that the pressure structure area generates pressure on the position of the eyelid corresponding to the cornea, and further generates correction pressure on the cornea.

Preferably, can adopt accurate electronic instrument to carry out sliding connection between arc pressure structural region 4 and eyeball location structure 3, the pressure signal that detects through the pressure diaphragm on the arc pressure structural region 4 carries out oneself and corrects, makes the utility model discloses a use more convenient, and can reach and apply invariable pressure to the cornea, the patient uses not only safety, and the effect is better moreover.

Preferably, the two sides of the spectacle frame 2 are provided with elastic bands instead of flexible spectacle legs, the length of the elastic bands can be adjusted, which is beneficial in that: the elastic band is more convenient and stable for wearing of mirror leg 1 formula, and the travelling comfort that the user used night is higher.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (9)

1. The utility model provides a wear myopia prevention device night, includes the picture frame, the both sides of picture frame are equipped with flexible mirror leg or elastic webbing, its characterized in that: be equipped with eyeball location structure in the picture frame, eyeball location structure is ring shape, be equipped with compression spring between one side of eyeball location structure horizontal direction and the picture frame, be equipped with adjusting bolt between eyeball location structure's opposite side and the picture frame, adjusting bolt's bottom joint is in the inside of eyeball locator and articulated between the eyeball location structure, adjusting bolt's head sets up the outside at the picture frame, eyeball location structure's inside is equipped with the arc pressure structure district that exerts pressure to the cornea, fixed connection between arc pressure structure district and the eyeball location structure, and be equipped with the pressure diaphragm on arc pressure structure district internal surface.

2. A night-time wearable myopia prevention device according to claim 1, further comprising: the length of the elastic band is adjusted through the buckle.

3. A night-time wearable myopia prevention device according to claim 1, further comprising: the radius of curvature of the arc-shaped pressure structure area is larger than the radius of curvature of the cornea and the radius of curvature of the eyelid scanning contour of the wearer.

4. A night-time wearable myopia prevention device according to claim 1, further comprising: the arc-shaped pressure structure area is elastically connected with the eyeball positioning structure.

5. A night-time wearable myopia prevention device according to claim 1 or 4, wherein: the pressure applied to the eyelid by the pressure structure should be less than 10 newtons.

6. A night-time wearable myopia prevention device according to claim 1, further comprising: the pressure structure area applies a pressure of 2-5 newtons to the eyelid.

7. A night-time wearable myopia prevention device according to claim 1, further comprising: the pressure of the pressure structure zone transmitted through the eyelid to the cornea should be less than 1.5 newtons.

8. A night-time wearable myopia prevention device according to claim 1, further comprising: the tail ends of the glasses legs are provided with rubber soft layers for increasing friction force.

9. A night-time wearable myopia prevention device according to claim 1, further comprising: the pressure diaphragm is provided with a pressure receiver which is matched with the pressure diaphragm for use.

Images