CN2438422Y - Vision spectacles - Google Patents

Abstract

The utility model relates to a pair of eyesight spectacles which comprise spectacle bodies, minifiers composed of convex spectacles and concave spectacles in the spectacle bodies, telescopic coats sheathed on the spectacle bodies and sign spectacles arranged at the top ends of the telescopic coats. When the telescopic coats are adjusted, the eyesight can be tested from 0.1 to 1.5 by self on palms. The utility model has the advantage of convenience.

Description

Vision spectacles

This utility model is that the indispensable instrument that the daily oneself of middle and primary schools gives a test of one's eyesight designs.

Existing detection to vision, mainly by visual acuity chart certain distance outside and auxiliary people detect and finish, necessary place and light source also must be provided, time-consumingly bother again.

The purpose of this utility model provides a kind of reasonable in design, easy to use, and only needs the novel Vision spectacles finished at palm.

This utility model is a Vision spectacles, the mirror that dwindles that mainly comprises interior optical glass convex lens (eyepiece) of mirror body and mirror body and concave mirror (object lens) composition, be engraved on the vision reading sign indicating number on the mirror body, its feature also comprises the flexible overcoat that is enclosed within on the mirror body, place the symbol mirror on the overcoat top, locating slot and stop pin, the vision display aperture, need only during use the Vision spectacles alignment light source, eyes see in the mirror in the past, and the overcoat that will stretch is adjusted to remote again and can sees symbol clearly for extremely, and at this moment the interior reading of vision display aperture is exactly the vision of an eye surveying at that time, and survey the another eye again, in time understand the variation of vision.

This utility model utilizes optical principle that symbol is contracted to standard, and the flexible overcoat of symbol is carved with in utilization on the top, can between 0.1 to 1.5 vision, regulate and locate, and demonstration vision reading, compare with traditional method, be not subjected to place, time restriction, test oneself from reading, easy to carry, attractive in appearance, enjoyment arranged.

Accompanying drawing has provided structural representation of the present utility model.

Fig. 1 is a front view of the present utility model.

Fig. 2 is the cutaway view of 90 ° of the left-hand rotations of Fig. 1.

Fig. 3 is the upward view of Fig. 1.

Below in conjunction with embodiment this utility model is further described:

This utility model comprises that mainly mirror body (1) places the intravital convex lens of mirror (2) concave mirror (3) to be engraved in the flexible overcoat (6) that reading sign indicating number (4), locating slot (5) on the mirror body be enclosed within on the mirror body and places the flexible vertical symbol mirror of overcoat (7) stop pin (8) vision display aperture (9).

When the oneself detects eyes by convex lens (2) (eyepiece), see through the mirror that dwindles that concave mirror (3) (object lens) forms, and adjust and stretch overcoat (6) when seeing minimum symbol clearly, vision display aperture (9) can demonstrate this vision, and is simple and convenient.

Claims (2)

1. a Vision spectacles comprises that mirror body (1) puts the mirror of forming at the intravital optical glass convex lens of mirror (2), concave mirror (3) that dwindles and be enclosed within flexible overcoat (6) on the mirror body, places the flexible vertical symbol mirror of overcoat (7).

2. by the described Vision spectacles of claim 1, its feature also is the stop pin (8) on the locating slot (5) on the described mirror body (1) and the overcoat (6) that stretches.