Low vision filters are special coatings that reduce and sometimes completely eliminate the transmission of blue light. The filters improve vision in two ways:
Increasing contrast = contrast that allows you to see details more sharply, read and distinguish things around you better.
Eliminating the blue waves of light, thereby reducing glare and providing visual comfort. Sometimes there is severe glare or a feeling of difficulty in transitioning between light and dark and vice versa.
Many people suffer from eye diseases in which there is a decrease in contrast vision and a feeling of blurring, such as glaucoma, retinal degeneration, cataracts, RP, albinism, and more. Filters such as these can significantly improve their quality of life.
The filters are in shades of yellow-orange. At wavelengths of 450 nm, 400 nm, 511 nm, 527 nm, 550 nm, 585 nm, and more.
These filters are excellent when combined with outdoor polarizing lenses that reduce light coming from various reflections such as a car windshield.
They can also be combined with a sun-darkening lens when you want to darken these special shades.
The need for a particular color is individual, depending on the person's illness and condition in the disease process and their personal daily needs.
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