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NoIR Fit Over, 32% Medium Gray

NoIR Fit Over, 32% Medium Gray
Item #: U21
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NoIR filters help minimize eye discomfort and increase visual resolution for individuals with visual impairments. Medium gray filter number 21 allows in 32% of visible light and offers 100% ultraviolet protection and has a soothing color that helps sharpen focus and offers excellent glare protection. These glasses are often recommended for people with post-operative cataracts. These standard fit-over style can be worn over most prescription frames or on their own. The side shields keep out extraneous light and wind. The frames measure 6" temple to temple and the curved temple pieces create a non-slip fit. The image above is for style only and does not represent actual lens color.

The NOIR filter system offers a wide range of colored filters to help people minimize eye discomfort and maximize visual resolution. Different filter shades provide varying functions, combining relief from glare, contrast enhancement, and general relief of eye strain. Pick the filter which best suits your needs. Filter colors are then available in a wide variety of styles. All glasses come with a carrying case and include a one year warranty.
*BBP = Blue Blocker Protection

The following filters offer 100% Ultraviolet protection, but no infrared protection.
Filter Number Color Sample Color Visible Light Transmitted Description
58 Light Yellow 65% Heightens contrasts. Provides maximum brightness and enhances visual acuity.
20 Light Gray 58% Relieves indoor glare. Helpful under flourescent lighting.
50 Yellow 54% Heightens contrast, maximum brightness. *BBP
48 Light Amber 53% Has 100% ultraviolet protection
60 Orange 49% Provides high contrast; Intensifies backgrounds allowing wearers to see objects more clearly. *BBP
88 Light Plum 40% Has 100% ultraviolet protection.
21 Medium Gray 32% Soothing color sharpens focus and provides excellent glare protection.
81 Medium Plum 20% General purpose filter with glare reduction for enhanced visual acuity. *BBP
40 Amber 16% All purpose color heightens contrast and relieves glare. *BBP
22 Dark Gray 13% Extremely comfortable color; cuts glare and sharpens focus with natural color rendition.
30 Gray-Green 7% Glare protection with a low visible light tranmsmission.

The following "dark" filters keep out the maximum amount of light and glare. Good for people who are extremely light sensitive. All offer 100% Ultraviolet protection.
Filter Number Color Sample Color Visible Light Transmitted Description
23 Dark Gray 4% Comfortable color cuts glare, sharpens focus, and provides natural color rendition.
33 Dark Gray-Green 4% An extra dark filter and has 100% ultraviolet protection.
43 Dark Amber 4% Heightens contrast and relieves glare. *BBP
53 Dark Yellow 4% Combines contrast enhancement with glare reduction for visual acuity. *BBP
63 Dark Orange 4% Intensifies backgrounds for enhanced visual auity and increased contrast. *BBP
80 Dark Plum 4% General purpose filter for glare protection and enhanced visual acuity. *BBP

The following filters offer Infrared (IR) Protection in addition to 100% Ultraviolet protection. By reducing IR, these filters cut the overall heat energy bombarding the retina, providing a more soothing, comfortable viewing experience.
Filter Number Color Sample Color Visible Light Transmitted Description
11 Light Amber 40% Helpful on hazy, overcast days. Relieves sensitivity to indoor lighting. *BBP
12 Light Gray-Green 40% For indoor lighting and hazy days. Natural color rendition. *BBP
02 Medium Gray-Green 18% All purpose sunglass provides glare reduction and natural color rendition. *BBP
01 Medium Amber 10% All purpose sunglass for glare reduction and enhanced visual acuity. *BBP
07 Dark Amber 2% Relieves extreme photophobic light sensitivity. *BBP

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