призма

призма

A prism is a lens that will bends light towards its base. Prisms are used to measure the angle of deviation in strabismus to correcting binocular polyopia when the eyes become misaligned in adulthood. A prism may be included in spectacle correction to help align images.

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Del af tale: noun
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Branche/domæne: Eyewear
Category: Optometry; Contact lenses; Eye surgery
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Relaterede termer

призма негізі

Eyewear; Optometry

Thickest part of a principal section of a prism.

призма диоптриі

Eyewear; Optometry

Unit of prismatic deviation, equal to 100 tan d, where d is the angle of deviation, in degrees.

тегіс жалпақ призма

Eyewear; Optometry

Refracting element bounded by two non-parallel plane surfaces.

алыстан көргіштік

Eyewear; Optometry; Contact lenses; Eye surgery

Common term for hyperopia.

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 ...

ескіру мерзімі

Eyewear; Optometry; Contact lenses; Eye surgery

Medical prescription terms were originally all written in Latin. Many of the Latin terms continue to be used today. Eyeglass prescriptions are somewhat different, and you can ...

бинокулярлық

Eyewear; Optometry; Contact lenses; Eye surgery

Both eyes.

флуоресцеин

Eyewear; Optometry; Contact lenses; Eye surgery

A tiny amount of a fluorescein dye is placed in the tear film. The color will make microscopic dots appear where the eye has become dry. Excessive staining is an indication of dry ...

жүгірмелі сәуле

Eyewear; Optometry; Contact lenses; Eye surgery

This is a method of applying excimer laser energy. Rather than applying all excimer energy in a broadbeam across the entire ablation area, or the energy in variable spots sizes ...