трифокальды

трифокальды

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 the bottom of the lens.

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Part of Speech: noun
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Industry/Domain: Eyewear
Category: Glasses
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Related terms

трифокальды линзалары

Eyewear; Contact lenses

Lenses prescribed for those who need correction for three fields of vision: far away, up-close and intermediate.

трифокальды көзілдіріктер

Eyewear; Optometry; Contact lenses; Eye surgery

Corrective lenses that have three powers of correction. Typically the majority of the lens is corrected for distance vision while a small area is corrected for near vision and ...

трифокальды линзалар

Eyewear; Optometry

Multifocal lens having three portions, usually for distance, intermediate and near vision.

бифокальды

Eyewear; Glasses

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, ...

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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