Integrated myopia correcting lens

Abstract

The invention belongs to the field of eyesight correction eyeglasses and particularly relates to an integrated myopia correcting lens which is applicable to the adolescent and can be used for preventing and treating pseudomyopia and correcting esophoria and exophoria. The integrated myopia correcting lens comprises a circular lens body (1), wherein the circular lens body (1) is divided into an upper functional area and a lower functional area; the upper functional area serves as a distant vision area (101); the lower functional area serves as a near vision area (102); the distant vision area (101) is a concave lens; the lower functional area is a laminated toroidal lens, which is formed through laminating a toroidal prism with a thick end and a thin end and a convex lens; the refractive index n of the distant vision area (101) and the near vision area (102) is 1.5 to 1.6. According to the integrated myopia correcting lens, design accuracy is convenient to control, ciliary muscle spasm of a myopia sufferer can be effectively relieved, and the convexity of a crystalline lens can be lowered, so that the integrated myopia correcting lens can be used for effectively preventing and treating pseudomyopia and can also be used for correcting the esophoria and the exophoria.

Description

technical field [0001] The invention belongs to the field of vision correction glasses, and in particular relates to an integrated eye-position myopia correction lens suitable for teenagers, capable of preventing and treating pseudomyopia and correcting internal and external phoria. Background technique [0002] Nearsightedness is a condition in which the eye cannot see distant objects clearly but sees near objects clearly. Under the premise of static refraction, distant objects cannot converge on the retina, but form a focal point in front of the retina, thus causing visual distortion and causing distant objects to be blurred. There are two types of myopia: refractive and axial. Among them, the cause of myopia is mostly that the front and back axis of the eyeball is too long (called axial myopia), followed by the strong refractive power of the eye (called curvature myopia). Myopia mostly occurs in adolescence, and genetic factors have a certain influence, but its occurren...

AI Technical Summary

Problems solved by technology

It has been proved by clinical trials that none of the above methods can produce a good preventive effect on the etiology and pathogenesis of myopia

At present, for juvenile myopia, eye hospitals and optical shops mainly intervene by wearing single vision or bifocal progressive glasses, because they do not consider whether children with myopia have strabismus, what type of strabismus, and the adjustment and convergence of near eyeballs are not considered, so The effect of prevention and treatment is not achieved or the effect is not obvious, resulting in the continuous increase of myopia

Images