бифокальды

бифокальды

Corrective eyewear lenses containing regions with two distinct optical powers. Bifocals are commonly prescribed to people with presbyopia who also require a correction for myopia, hypermetropia, and/or astigmatism.

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Ipar/Tárgykör: Eyewear
Kategória: Glasses
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бифокальды көзәйнектер

Eyewear; Optometry; Contact lenses; Eye surgery

Corrective lenses that have two powers of correction. Typically the majority of the lens is corrected for distance vision while a small are is corrected for near vision. Bifocals ...

бифокальды байланыстар

Eyewear; Contact lenses

Contact lenses that allow a person to see near and far away without the use of glasses.

бифокальды линзалар

Eyewear; Contact lenses

Lenses prescribed for those who need correction for both far away and up close.

трифокальды

Eyewear; Glasses

Corrective eyewear lenses containing regions with three distinct optical powers. The three standard regions are distance at the top, intermediate in the middle and reading towards ...

пресбиопия

Eyewear; Glasses

Inability to accommodate focus difference between distance vision and near (reading)

линзаның түсі мен реңі

Eyewear; Glasses

Fashion tints or tints to protect light-sensitive eyes are also available in a wide range or colors, including gray, rose, yellow, G 15, brown, blue, purple and gradient tint ...

фотохромия

Eyewear; Glasses

These lenses automatically turn dark in bright light and lighten indoors. The lenses are activated by ultraviolet light and will not darken behind the protection of your ...

УК сүзгіш

Eyewear; Glasses

A lens coating, either on or embedded in the lens, that filters UV radiation.

ANSI Z87.1 стандарттары

Eyewear; Glasses

Safety standards that must be met for glasses to be considered safety glasses. Watch the Oakley High Velocity Impact video to see the results!

асферикалық линзалар

Eyewear; Glasses

Lenses that provide special visual and cosmetic benefits for stronger corrections and increase edge to edge clarity. Flatter than conventional lenses, aspheric lenses reduce the ...

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Ipar/Tárgykör: Holiday Kategória: Unofficial holidays

Ұлы Американдық Шегу

Observed every year since 1977, the Great American Smokeout takes place on the third Thursday of November. Sponsored by the American Cancer Society, ...