CONTACT LENS WITH LIGHT BLOCKING RINGS Russian patent published in 2012 - IPC G02C7/04 

FIELD: ophthalmology.

SUBSTANCE: invention is designated to create contact lens which block penetration either of the ultraviolet light or blue light or both types of light into the lenses user pupils whereby the contact lenses pursuant to the innovation features block the above lights without deterioration of visual perception of the person that is secured due to the fact that the lens has optical zone having central round area and at least the first and the second concentric rings around it wherein the central round area and the second ring can essentially block the transfer of the ultraviolet light or blue light or both types of light up to less than 25%, besides the first ring is not the light blocking ring and it secures the transfer of 25% or more of the ultraviolet light, blue light, or both types of light.

EFFECT: efficiency of the visual perception enhancement.

12 cl, 1 dwg.