Glasses used for correcting eyesight

Abstract

The invention discloses glasses used for correcting eyesight, which belong to the field of an optical device for correcting eyesight and solve the problems of inconvenience and waste due to frequent replacement of the glasses in the prior art. The glasses comprise a glasses frame and lenses fixed on the glasses frame; the lenses can be varifocal lenses, the focal length of each varifocal lens is adjustable, the appropriate focal length is employed for reflecting light to the pupil of an eye, and an image is formed on the retina of the eye in a clear mode. With the focal lengths of the varifocal lenses adjusted by a user, the degrees of the eyeglasses are matched with the degrees of vision, when the vision changes, the user can adjust the focal length to an appropriate length according to the change of the vision, so that the eyesight can be corrected, and outside things can be seen clearly, and inconvenience and waste due to frequent replacement of the glasses can be avoided.

Description

technical field [0001] The invention relates to the field of optical devices for correcting vision, in particular to glasses for correcting vision. Background technique [0002] Glasses are optical devices made to correct vision or protect eyes, including frames and lenses. The degrees of the glasses worn by people will match the vision of the user's eyes, so as to achieve the effect of correcting vision and protecting eyes. [0003] The spectacles on the market today are all a pair of spectacles matching the eyes of a kind of vision, but people's vision may change, and the current solution is to detect the vision again and replace the glasses if the vision changes. Otherwise, glasses that do not match the vision will cause the user's vision to be blurred and harmful to their eye health. [0004] However, testing eyesight and changing glasses not only takes time but also costs money, which brings great inconvenience to people, and discarding unsuitable glasses can also cau...

AI Technical Summary

Problems solved by technology

[0003] The glasses on the market today are a pair of glasses that match the eyes of one kind of vision. However, people's vision may change. The current solution is to test the vision again and replace the glasses if the vision changes.

Otherwise, glasses that do not match vision can cause blurred vision for the user and be detrimental to their eye health

[0004] However, testing eyesight and changing glasses not only takes time but also costs money, which brings great inconvenience to people, and wastes disposal of unsuitable glasses and causes waste of resources

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