| presbyopia |
a form of farsightedness in which it is difficult to focus on close objects or to read.
출처: content.jeffersonhospital.org/content.asp
|
|---|---|
| presbyopia |
decreased elasticity of the lens due to advancing age which moves the near point of vision farther from the eye, making it difficult to focus on near objects
출처: www.preventblindness.org/uveitis/glossary.html
|
| presbyopia |
is a condition in which the normal changes in the shape of the lens that occur when looking from a far away object to a near one (or vice-versa) are limited. Normally, the iris (the muscle around the lens) causes the lens to change shape as one looks at objects at varying distances. This phenomenon (called
출처: www.dukeeye.org/specialties/cornea/glossary.html
|
| presbyopia |
The normal decrease in focusing power (accommodation) of the eye, usually occurring with aging. It becomes most noticeable to the average farsighted person after age 40. Traditionally, bifocals or reading glasses were required for clear near vision, but the CK procedure has helped thousands to regain their reading vision with less dependency on glasses.
출처: www.hollingsheadeyecenter.com/glossary.html
|
| presbyopia |
This is the condition, faced by all of us in which as we age, that causes us to require reading glasses for near focus. This is due to the progressive weakening of our focusing muscles, which begins in our youth and culminates in reading glasses, typically in our forties.
출처: www.goodeyes.com/Glossary.html
|