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астигматизм

A misshape of the eye, where vision is blurred by an irregularly shaped cornea. The cornea, instead of being shaped like a sphere, is ellipsoidal (like an egg) and reduces the cornea’s ability to focus light.

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  • Besedna vrsta: noun
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  • Industrija/področje: Eyewear
  • Category: Glasses
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ережелік астигматизм
Eyewear; Optometry; Contact lenses; Eye surgery

With the rule astigmatism has an axis of about 180 degrees (when Rx is written in minus cylinder form). "Against the rule" astigmatism has the axis at about 90 degrees. Both forms ...

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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