presbyopia वाक्य
उदाहरण वाक्य
मोबाइल
- In a theater showing a 3D film, viewers wearing polarized, stereoscopic glasses follow in the footsteps of a young man with presbyopia.
- The wearer can then adapt to the increases in a series of steps in addition power over a number of years as their presbyopia progresses.
- :Near-sightedness ( myopia ) is common in the young, and far-sightedness ( presbyopia ) is common in older people.
- Crystalens are implants which improve eyesight by replacing the natural human lens for people who have cataracts and age-related vision loss called presbyopia.
- When presbyopia is diagnosed, either bifocals or reading glasses are suggested, although Hendricks says putting off corrective lenses doesn't really hurt anything.
- These early glasses had convex lenses that could correct both hyperopia ( farsightedness ), and the presbyopia that commonly develops as a symptom of aging.
- The first version of the lens was invented by Bernard Maitenaz and released in 1959, and was the first modern progressive lens to correct presbyopia.
- Remarkably, for such a longstanding and uniform feature of human biology, scientists are still not sure exactly what causes presbyopia or what might reverse it.
- It was not until 1604 that Johannes Kepler published the first correct explanation as to why convex and concave lenses could correct presbyopia and myopia . }}
- Correction of presbyopia ( a need for a reading prescription different from the prescription needed for distance ) presents an additional challenge in the fitting of CLs.
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