бифокальды көзәйнектер

бифокальды көзәйнектер

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 and trifocals are normally prescribed for individuals with presbyopia.

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Actividade/ Sector: Eyewear
Category: Optometry; Contact lenses; Eye surgery
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