JP3188129B2 - Attachment method of eyesight correction lens to lens part of spectacle body - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an eyeglass body which can be easily attached to a lens portion of sunglasses, goggles and underwater glasses which have not been corrected for visual acuity to correct the visual acuity.
The present invention relates to a method of attaching a lens for correcting vision to a lens unit in a camera .

[0002]

2. Description of the Related Art Conventionally, people with visual impairment, for example,
When using protective glasses such as sunglasses, goggles and underwater glasses, it is necessary to use a so-called prescription lens in which the lens portion of these protective glasses has been corrected for a predetermined visual acuity.

[0003] However, safety glasses provided with such a treatment are extremely expensive, and it is extremely uneconomical to always prepare a large number of them according to the intended use. When not at hand, the present situation is to use the above-mentioned safety glasses of a so-called non-powered lens, knowing that the visual acuity will be reduced. Accordingly, there has been a strong demand for the appearance of simple eyeglasses that can easily and surely correct eyesight by using general commercially available protective eyeglasses even for those with visual impairment.

[0004]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned demands, and has been made by attaching a vision correcting lens to an inner surface of a lens portion of an eyeglass body.
Eyes that can perform eyesight correction easily and reliably using general commercially available protective glasses even for those with visual impairment
It is an object of the present invention to provide a method for attaching a lens for correcting vision to a lens portion in a mirror body.

[0005]

Means of the present invention for achieving the above object is to provide a simple spectacles for attaching a vision correcting lens to an inner surface of a lens portion of a spectacle body via a positioning tool. In the state of use of the spectacle body, the positioning tool is made to correspond to the lens of the spectacle body, and when it is visually confirmed that the positioning tool is at the center position of the pupil, the easy peeling provided on the positioning tool is provided. Attached to the inner surface of the lens portion of the spectacle body with the eyesight correcting lens attached to the outer surface of the lens portion of the spectacle body by the adhesive layer, and with the spectacle body removed. After matching the optical center of the reference sheet attached to the outer surface of the vision correction lens to the center position of the positioning tool, the eyeglass body is attached by an attachment portion provided on the inner surface of the vision correction lens. Vision矯to the lens unit in the eyeglass body fitted with the vision correction lenses to definitive lens unit
There is a regular lens attachment method.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a lens portion in an eyeglass body according to the present invention.
An example of an embodiment of a method for attaching a lens for correcting visual acuity to a camera will be described with reference to the drawings. In FIGS. 1 and 2, A is a pair of simple eyeglasses, which is basically composed of an eyeglass body 1 and a vision correcting lens 2 attached to the eyeglass body 1.

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

When the eyeglass body 1 is a goggle, underwater glasses, or the like, the structures of the aforementioned vine portion 4 and nose pad 5 are different.

The above-mentioned eyesight correcting lens 2 comprises a spectacle body 1
Is detachably attached to the inner surface of the lens portion 3 in the above, and is molded into a circular, square, elliptical shape or the like with a permeable synthetic resin, glass, or the like. A main body 6 having a focus correction surface 6a;
And an attachment portion 7 attached to the inner surface of the lens portion 3 provided on the periphery of the lens portion 3.

The main body 6 must have at least an area within the range of the line of sight, and if at least the entire body is formed in a flexible sheet, the eyeglass body 1
Is good to be attached to the lens portion 3, but may be a hard material having no flexibility.

As shown in FIG. 4, the configuration of the main body 6 can be a convex lens or a concave lens. In the case of a convex lens, a left-right symmetric type as shown in FIG. As shown in b), one having only one side formed in a convex shape is used, and in the case shown in (c), only one side is formed in a convex shape, and its curvature is made different. is there.

In the case of a concave lens, a symmetrical lens as shown in (d) or a concave lens having only one side formed as shown in (e) is used. In the case shown in (1), only one side surface is formed in a concave shape, the curvatures thereof are made different, and a focus correction surface 6a is formed on the surface located on the user's eyeball side.

Note that this focus correction surface 6a corresponds to FIG.
As shown in (g) and (h), a diffraction grating Fresnel lens formed on a convex lens and a concave lens, or a prism lens can also be used. In addition, the main body 6 of the above-mentioned eyesight correction lens 2 changes the ([D] diopter) each time by + (convex lens) 0.25 to +10.0.
0,-(concave lens) Within a range of about 0.25 to -10.00, the lens is provided in steps of a predetermined degree in increments of 0.25 to 1.00.

As shown in FIG. 5, the attachment portion 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 surface of the lens portion so as not to be easily separated. For example, as shown in FIGS.
And at least two places above and below it (subject 6
Or a plurality of places such as three places. The adhesive layer 7a having an easy peeling property is provided on the side which is extended and comes into contact with the lens portion 3.

A release sheet 8 made of a 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 is integrally covered is preferable in terms of manufacturing and handling by the user.

As shown in FIGS. 1 and 3, the attachment portion 7 may be provided with a double-sided tape attached to a portion extending from the outer peripheral portion of the main body 6. A sheet similar to the peeled sheet 8 is provided.

The lens 2 for correcting vision is provided with a lens unit 3.
In order to stably fit and attach 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 sticking portion 7.

Further, as shown in FIG. 7, the visual acuity correcting lens 2 has a plurality of lens members 2a, 2a,... In some cases, the simple glasses A can be formed with an arbitrary power.

As described above, the simple glasses A according to the embodiment of the present invention.
In the molding, a lens 2 for correcting vision is selected according to the user's vision, the release sheet 8 provided on the attached portion 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 unit 3 of the eyeglass body 1, the focus correction plane 6 a of the main body 6 is applied to a portion corresponding to the pupil position of the eye and provided above and below the eyepiece body 1. When the attached portion 7 is attached, simple glasses A are obtained as shown in FIG.

When the simple glasses A are worn, if the glasses are sunglasses, the user can obtain both of the light-shielding effect and the visual acuity correction effect in which the image entering the eyes is corrected by the focus correction surface 6a of the visual acuity correcting lens 2. Can be

In attaching the spectacle body 1 to the lens unit 3, when the user attaches the spectacle body 1 to the face, the optical center of the vision correction lens 2 and the center of the user's pupil are accurately aligned. It is necessary that they coincide with each other, and this can be easily performed by using a positioning tool B as described below.

The vision correcting lens 2 is provided with an optical center p of the lens 2 in advance. As shown in FIG. 8, the peeling sheet 8 attached to the attaching portion 7 and the main body 6 is used. 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 to the vertical base line x.

An example of a positioning tool B used for positioning the vision correction lens 2 uses a sticking-type marking seal, as shown in FIGS. 9 and 10 (a).
The eyeglass body 1 is hung on the face, and in this state, a small-diameter, for example, a 5 to 10 mm circular or square seal-like positioning tool B with an adhesive layer is attached to the fingertip. While viewing B, the eyeglass body 1 at the position that obstructs the field of view most, that is,
Paste on.

Then, the eyeglass body 1 is removed from the face, and FIG.
As shown in FIG. 0 (b), the vision correcting lens 2 is moved from the lens portion 3 on the opposite side of the positioning tool B with the seal, that is, from the inside of the lens section 3 to the center position of the positioning tool B already pasted. If the optical center p of the reference sheet 10 is adhered together, the pupil can be attached in a state where the center of the pupil and the optical center p coincide with each other.
After the mounting, the positioning tool B for the seal is removed from the lens unit 3.

[0025]

According to the present invention constructed as described above, it is possible to easily form eyesight correction glasses by simple and quick work on a spectacle body without a degree of eyesight correction. It is economical because expensive spectacles are not required for each spectacle according to the purpose. Furthermore, even if the glasses with these degrees are not at hand for sudden use, it is possible to easily correct vision. And the like.

[Brief description of the drawings]

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

FIG. 2 is a longitudinal sectional side view showing a main part in FIG. 1 in an enlarged manner.

FIG. 3 is a perspective view showing a lens for correcting vision in FIG. 1;

FIG. 4 is an explanatory diagram showing another type in FIG. 3;

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

6 is a longitudinal sectional side view showing an example in which a buffer member is provided on one side of the vision correcting lens in FIG.

FIG. 7 is a side view showing another example of the vision correcting lens in FIG. 1;

FIG. 8 is a partially cutaway front view showing an example in which a reference sheet is provided on the vision correcting lens in FIG. 1;

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

FIG. 10 is an explanatory diagram of an operation state in FIG. 9;

[Explanation of symbols]

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

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Claims (1)

(57) [Claims] 1. A simple pair of eyeglasses for attaching a vision correcting lens to an inner surface of a lens portion of an eyeglass body via a positioning tool, wherein the positioning tool is passed through a lens of the eyeglass body when the eyeglass body is used. Corresponding to, when visually confirming that the positioning tool is at the center position of the pupil, attached to the outer surface of the lens portion in the eyeglass body by an easily peelable adhesive layer provided on the positioning tool, With the spectacles body removed, the vision correction lens is applied to the inner surface of the lens unit in the spectacles body, to the center position of the attached positioning tool, and to the outer surface of the vision correction lens. After the optical center of the reference sheet thus obtained is matched, the visual acuity correcting lens is attached to the lens portion of the spectacle body by an attaching portion provided on the inner surface of the visual acuity correcting lens. Lens in the spectacle body and
How to attach a vision correction lens to the part .