JPH08286157A - Simple spectacles and manufacturing method thereof - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide simple eyeglasses capable of easily and surely correcting visual acuity even if the person has visual impairment by using protective eyeglasses having no degree, and a manufacturing method thereof. [Structure] A vision correcting lens 2 is attached to an inner surface of a lens portion 3 of a spectacle body 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to simple spectacles which can be easily affixed to the lenses of sunglasses, goggles, and underwater glasses which have not been corrected for visual acuity to correct their visual acuity and a method for manufacturing the same.

[0002]

2. Description of the Related Art Conventionally, for example, a person with visual impairment has
When using protective glasses such as sunglasses, goggles, and underwater glasses, those with so-called prescription lenses, in which the lens portions of these protective glasses are corrected for a predetermined visual acuity, must be used.

However, the protective eyeglasses treated in this way are extremely expensive, and it is extremely uneconomical to always prepare a large number of them in accordance with the intended use, and further, in case of sudden use. When it is not at hand, it is the current situation to use the above-mentioned protective glasses of ordinary so-called powerless lenses, knowing that the visual acuity is deteriorated.

Therefore, even if the person has visual impairment,
There has been a strong demand for the appearance of simple eyeglasses that can easily and reliably correct visual acuity by using commercially available protective eyeglasses.

[0005]

DISCLOSURE OF THE INVENTION The present invention has been made in view of the above-mentioned needs, and by attaching a vision correcting lens to the inner surface of the lens portion of the spectacle body,
It is an object of the present invention to provide simple spectacles which can easily and surely correct visual acuity even if they have visual impairments by using commercially available protective spectacles and a manufacturing method thereof.

[0006]

Means for Solving the Problems The means of the present invention for achieving the above-mentioned object is a constitution of simple eyeglasses in which a vision correction lens is attached to the inner surface of the lens portion of the eyeglass body.

The vision correcting lens is simply provided with a main body having a predetermined focus correction surface on one side surface or both side surfaces thereof, and an attachment portion to the inner side surface of the lens portion provided on the peripheral portion of the main body. In the composition of the glasses.

Further, the vision correcting lens is formed in a flexible sheet shape, and a release sheet is attached to the attachment portion of the main body.

Further, in this vision correcting lens, a plurality of lens members having different or the same dioptric power are laminated,
It is configured by one or a combination of the lens members.

Then, there is provided a method of manufacturing simple spectacles in which a lens for correcting vision is attached to the inner surface of the lens portion of the spectacle body.

[0011]

The present invention configured as described above has the following effects.

In the lens portion of the protective eyeglasses, when the user puts on the protective eyeglasses, when a vision correction lens is attached to the inner surface of the portion corresponding to the pupil position of the eye, the focus correction surface of the vision correction lens is attached. As a result, the image that the user sees is corrected.

The attachment of the lens portion is carried out by attaching the attachment portion attached to the outer peripheral portion of the main body of the vision correcting lens to the inner surface of the lens portion, and the attachment portion is formed by a release sheet before use. It can also be protected.

Further, the vision-correcting lens formed in a flexible sheet shape is attached to the lens portion of the spectacle body according to the curved surface even if the spectacles have different curvatures. .

Furthermore, if a plurality of lens members having different diopters or the same diopters are laminated on the lens for correcting visual acuity, only one lens member or a plurality of lens members are used depending on the visual acuity of the user. Simple spectacles with proper eyesight can be obtained by combining them.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an example of an embodiment of the simple glasses and the manufacturing method thereof according to the present invention will be described with reference to the drawings.

In FIG. 1 and FIG. 2, A is simple spectacles, which is basically composed of a spectacle body 1 and a vision correction lens 2 attached to the spectacle body 1.

The above-mentioned spectacles body 1 is protective spectacles such as sunglasses, goggles, and underwater glasses, and in the case shown in FIG. 1, a colored lens portion 3 and the lens portion 3 are attached. The lens unit 3 is composed of a temple 4 and a nose rest 5 for holding the lens unit 3 on the user's face.

When the spectacle body 1 is a goggle, underwater spectacles, etc., the structures of the above-mentioned hanging portion 4 and nose rest 5 are different.

The above-mentioned lens 2 for correcting visual acuity is a spectacle body 1.
It is detachably attached to the inner surface of the lens portion 3 in, and is formed into a circular shape, a rectangular shape, an elliptical shape, or the like with a transparent synthetic resin or glass. A main body 6 having a focus correction surface 6a, and the main body 6
And an attachment portion 7 to the inner side surface of the lens portion 3 provided on the peripheral portion of.

The main body 6 needs to have at least an area within the range of the line of sight. If at least the whole body is formed into a flexible sheet, the spectacle body 1 is formed.
Although the attachment to the lens portion 3 is good, a hard material having no flexibility may be used.

As shown in FIG. 4, the structure of the main body 6 can adopt a convex lens and a concave lens. In the case of a convex lens, in the same figure, as shown in FIG. As shown in (b), one having only one side formed in a convex shape is used. Further, in the case shown in (c), only one side is formed in a convex shape, and the curvatures thereof are made different. is there.

Further, in the case of a concave lens, one having a symmetrical shape as shown in (d) or one in which only one side surface is formed in a concave shape as shown in (e) is used, and further, (f). In the case shown in (1), only one side surface is formed in a concave shape and its curvature is different, and a focus correction surface 6a is formed on the surface located on the eyeball side of the user.

The focus correction surface 6a is shown in FIG.
As shown in (g) and (h), it is possible to use a Fresnel lens having a diffraction grating shape formed on a convex lens and a concave lens, or a lens having a prism shape.

Further, the main body 6 of the above-mentioned lens 2 for correcting visual acuity has a degree ([D] diopter) of + (convex lens) 0.25 to +10.00,-(concave lens) 0.25.
It is provided in steps of 0.25 to 1.00 at a predetermined degree within a range of about -10.00.

As shown in FIG. 5, the above-mentioned attachment part 7 is
The main body 6 is provided on the peripheral portion of the main body 6 so that the main body 6 is attached to the inner side surface of the lens portion so as not to easily separate. For example, as shown in FIGS.
And at least two places (main body 6)
May be the entire circumference, or there may be a plurality of locations such as three locations. ) An adhesive layer 7a having an easy peeling property is provided on the side in contact with the lens portion 3 so as to extend.

A release sheet 8 made of synthetic resin is adhered to the adhesive layer 7a of the attachment portion 7 in order to protect the adhesive layer 7a before use. Only the adhesive layer 7a is used. However, as shown in FIG. 5, a configuration in which the main body 6 and the main body 6 are integrally covered is preferable in terms of manufacturing and handling by the user.

As shown in FIGS. 1 and 3, a double-sided tape may be attached to the attachment portion 7 at a portion extending from the outer periphery of the main body 6, and the outermost adhesive surface has the above-mentioned adhesive tape. A sheet similar to the release sheet 8 described above is provided.

The vision correcting lens 2 has a lens portion 3
In order to be attached to the mounting surface of
As shown in FIG. 6, a flexible cushioning material 9 is provided on the innermost side of the adhesive layer 7a in the attaching portion 7.

Further, as shown in FIG. 7, the visual acuity correction lens 2 is formed by laminating a plurality of lens members 2a, 2a ... Having different powers (lens powers) or having the same powers in advance. It may be configured by a single piece or a combination of a plurality of pieces, which makes it possible to form the simple spectacles A having an arbitrary frequency.

As described above, the simple glasses A of the embodiment of the present invention
In the molding, the lens 2 for correcting vision is selected according to the visual acuity of the user, and the release sheet 8 provided on the attachment 7 is peeled off to expose the adhesive layer 7a. When the user puts the eyeglass body 1 on the inner surface of the lens body 3 of the eyeglass body 1, the focus correction surface 6a of the main body 6 is applied to the portion corresponding to the pupil position of the eye and is provided above and below it. When the attached portion 7 is attached, the simple glasses A are obtained as shown in FIG.

By wearing the simple glasses A, in the case of sunglasses, both the light blocking effect and the visual acuity correction effect in which the image that the user sees are corrected by the focus correction surface 6a of the visual acuity correction lens 2 are obtained. To be

When the eyeglass body 1 is attached to the lens portion 3, when the user attaches the eyeglass body 1 to the face,
It is necessary that the optical center of the vision correction lens 2 and the center of the user's pupil be exactly coincident with each other, and this can be easily performed by using the positioning tool B as described below.

The vision correcting lens 2 is provided with the optical center p of the lens 2 in advance. As shown in FIG. 8, the release sheet 8 attached to the attaching portion 7 and the main body 6 is provided. It is provided on the outer surface of the reference sheet 10 attached to the other side, and is located at the intersection of a vertical vertical base line x and a horizontal horizontal base line y orthogonal thereto.

A first example of the positioning tool B used for positioning the vision correction lens 2 uses a sticking type marking sticker. As shown in FIGS. 9 and 10 (a), the spectacle body 1 is used. Put it on your face and, in this state, a small diameter
For example, a seal-like positioning tool B with a circular or square adhesive layer of 5 to 10 mm is attached to a fingertip, and while observing the positioning tool B through the spectacle body 1, a position that most hinders the field of view, that is, one point in FIG. Stick on the spectacle body 1 on the chain line ww.

Then, the spectacle body 1 is removed from the face, and as shown in FIG.
As shown in 0 (b), the vision correction lens 2 is moved from the lens part 3 on the opposite side to which the positioning tool B is attached by a seal, that is, from the inside of the lens part 3 to the center position of the already-positioned positioning tool B. If the optical center p of the reference sheet 10 is attached together, it can be attached in a state where the center of the pupil coincides with the optical center p.
After the attachment of (1), the seal positioning tool B is removed from the lens section 3.

The positioning member B of the second example is shown in FIG.
As shown in FIG. 1, a sheet body 12 having permeability and flexibility, and a pair of horizontal first positioning marks 13 and 13 provided at substantially vertical center portions on both side portions of the sheet body 12. , A pair of vertical second positioning marks 14 and 14 provided substantially at the center in the left-right direction on the upper and lower sides of the sheet body 12, and the second positioning marks 14 provided in the horizontal direction of the sheet body 12, and as shown in FIG. A scale 16 having a first graduation 15 for measuring the distance L between the pupils of the eyes and a horizontal base line 17 connecting the pair of first positioning marks 13, 13 in the sheet body 12 are provided and applied to the horizontal base line 17. A second scale 18 corresponding to the first scale 15 of the scale 16 and a fixing means 19 such as an adhesive layer provided on one side surface of the sheet body 12 and temporarily fixed to the eyeglass body 1 are provided.

Therefore, according to this example, first, the mirror 1
As shown in FIG. 13 (a) while looking at 1, the positioning tool B is brought close to the front of the eyes to close the left eye, and the first scale of the scale 16 provided on the sheet body 12 of the positioning tool B is moved to the right eye. Set to the 0 scale position at 15.

Next, in this state, as shown in FIG. 13B, the right eye is closed and the left eye is opened, and the position of the pupil of the left eye is read on the first scale 15 of the scale 16.

If this position is 58 mm, for example, the distance L between the left and right pupils is 58 mm.

Then, the spectacles body 1 is put on the face, and FIG.
As shown in (a), the sheet body 12 is moved and aligned so that the pair of first positioning marks 13, 13 provided on both sides of the sheet body 12 coincide with the line connecting the centers of the pupils of both eyes. , The fixing means 1 provided on the sheet body 12 with the second positioning marks 14, 14 provided on the upper and lower sides of the sheet body 12 aligned with the center point between the pupils of both eyes (the position of the nose).
When it is attached to the lens portion 3 of the spectacle body 1 by 9, the positioning tool B is temporarily fixed to the spectacle body 1.

The fixing means 19 for the sheet body 12
May be an adhesive layer having low tackiness provided on the front surface of the sheet body 12 in addition to being locally provided at an appropriate position on the sheet body 12.

Next, the spectacle body 1 to which the positioning tool B is attached is removed, and as shown in FIG. 14B, the horizontal base line 17 is set on the basis of the distance between the pupils measured by the scale 16 in the previous step. Left and right second scale 18, 18
The release sheet 8 of the attachment part 7 to the 58 mm position of
The optical center p of the reference sheet 10 in the vision correction lens 2
If they are attached together, they can be attached with the center of each pupil and the optical center p aligned.

Further, the positioning tool B of the third example is shown in FIG.
A sheet body 20 attached to the eyeglass body 1,
First horizontal positioning marks 13, 13 provided on the sheet body 20 to measure the height (up and down) positions of both pupils.
And a pair of vertical second positioning marks 14 and 1 provided substantially at the center in the horizontal direction on the upper and lower sides of the sheet body 20.
4, third positioning members 23, 23 for laterally movably attached to the spectacle body 1 or the sheet body 20 for lateral movement, and the spectacle body 1 provided on one side surface of the sheet body 20. And a fixing means 19 such as an adhesive layer that is temporarily fixed to.

Therefore, according to this example, first, while looking at the mirror 11 with the spectacle body 1 placed on the face, as shown in FIG.
As shown in (a) and (b), the sheet body 20 is attached to the spectacle body 1.
The sheet body 20 so that the first positioning marks 13 and 13 are aligned with the line connecting the centers of the pupils of both eyes.
Is moved and aligned, and the second positioning marks 14, 14 provided above and below the sheet body 20 are aligned with the center point between the pupils of both eyes (center position of the nose).

In this state, the spectacle body 1 is fixed by the fixing means 19.
The sheet 20 is temporarily fixed to the lens part 3 of FIG.

When the third positioning members 23, 23 are aligned with the centers of the respective pupils, the center of each pupil is obtained in the lens portion 3 of the eyeglass body 1. If the peeling sheet 8 is peeled off and the optical center p of the reference sheet 10 in the vision correction lens 2 is attached to the intersection of the first positioning marks 13, 13 and the third positioning members 23, 23, the center of each pupil Can be attached with the optical center p and the optical center p aligned.

[0048]

INDUSTRIAL APPLICABILITY According to the present invention having the above-described structure, it is possible to easily form the eyesight-correcting spectacles into the spectacle body which does not have the eyesight correction degree by a simple and quick operation. It is economical because expensive spectacles are not required for every spectacle according to the purpose.

Further, it is possible to easily correct the visual acuity without using these prescription glasses at hand for sudden use. It has unique effects such as.

[Brief description of drawings]

FIG. 1 is a perspective view showing a back surface of simple glasses related to the present invention.

FIG. 2 is a vertical cross-sectional side view showing an enlarged main part in FIG.

FIG. 3 is a perspective view showing a vision correction lens in FIG.

FIG. 4 is an explanatory diagram showing another type in FIG.

5 is a perspective view showing an operating state of an example in which a release sheet is provided on the vision correcting lens in FIG.

6 is a vertical cross-sectional side view showing an example in which a cushioning member is provided on one side of the vision correction lens in FIG.

FIG. 7 is a side view showing another example of the vision correction lens in FIG.

8 is a partially cutaway front view showing an example in which a reference sheet is provided on the vision correction lens in FIG.

FIG. 9 is an explanatory view showing a first example of molding simple eyeglasses according to the present invention.

10 is an explanatory diagram of an operating state in FIG.

FIG. 11 is a front view of a positioning tool used in a second example of molding simple glasses relating to the present invention.

FIG. 12 is an explanatory diagram showing a distance between pupils measured by the positioning tool of FIG. 11.

FIG. 13 is an explanatory diagram showing a forming process of the simple glasses according to the example of FIG.

FIG. 14 is an explanatory diagram showing a further step after the forming step in FIG.

FIG. 15 is an explanatory view of a positioning tool used in a third example of molding simple glasses relating to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Spectacle body 2 Lens for vision correction 2a Lens member 3 Lens part 6 Main body 6a Focus correction surface 7 Attachment part 8 Release sheet

Claims (6)

[Claims] 1. Simple eyeglasses, wherein a vision correction lens is attached to the inner surface of the lens portion of the eyeglass body. 2. A vision correction lens is detachably attached to an inner surface of a lens portion of an eyeglass body, and the vision correction lens has a predetermined focus correction surface on one side surface or both side surfaces thereof. The simple spectacles comprising: a lens portion provided on a peripheral portion of the main body; and an attachment portion to an inner side surface of the lens portion. 3. The simple spectacles according to claim 1, wherein the vision correction lens is formed in a flexible sheet shape. 4. The simple spectacles according to claim 2, wherein the vision correction lens is formed in a flexible sheet shape, and a release sheet is attached to the main attachment portion. 5. The vision correcting lens is configured by laminating a plurality of lens members having different powers or having the same power and combining one or a plurality of the lens members. Simple eyeglasses according to any one of 1. 6. A method of manufacturing simple spectacles, wherein a vision correction lens is attached to the inner surface of the lens portion of the spectacle body.