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Most people start to suffer from vision deterioration around age 40. The eye's crystalline lens changes shape depending on the distance of the object being viewed. This lens elasticity deteriorates with age (Presbiopia). First signs of Presbiopia are when reading, the page has been to held further and further away. Reading glasses may be needed for a sharp vision.

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Частина мови: noun
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Галузь/тема: Eyewear
Category: Glasses
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размака зеница (РЗ)

Eyewear; Glasses

The distance (measured in mm) between the center of your pupils of your eyes when looking far away in the distance. If the prescription lenses are not set at the same distance as ...

сфера

Eyewear; Glasses

A part of your prescription. The sphere number denotes the strength of the lens in diopters.

ултраљубичасто (УВ) зрачења

Eyewear; Glasses

Invisible to the eye, prolonged exposure to solar UV radiation may result in acute and chronic health effects to the eyes. UVC rays are the highest energy, most dangerous type of ...

видљива светлост

Eyewear; Glasses

The part of the light spectrum that the eye recognizes as color. The eye can be protected from excessive amounts of visible light through protective eyewear.