| 释义 |
Definition of presbyopia in English: presbyopianoun ˌprɛzbɪˈəʊpɪə mass nounLong-sightedness caused by loss of elasticity of the lens of the eye, occurring typically in middle and old age. Example sentencesExamples - This is another option for people with presbyopia, in which you use a lens with the reading prescription in one eye and a lens with the distance prescription in the other eye.
- The theory is that presbyopia occurs because the lens becomes too large, not too hard but too large.
- But he went on to explain that presbyopia is a visual problem caused by a loss of elasticity of the lens which prevents or slows down the focusing of the eye.
- Around the age of 40, give or take, the focusing system of the eye becomes less flexible, a normal aging process called presbyopia.
- Finally, presbyopia hits a significant number of adults in their 40s, because the eye's lens naturally loses elasticity with age, producing fuzzy near vision.
- Most adults develop a form of far-sightedness called presbyopia as they get older.
- A number of changes occur in the eye as you grow older, but most experts agree that a hardening of your lens causes presbyopia.
- Although you can't prevent presbyopia, you can help protect your eyes and your vision.
Derivatives adjective ˌprɛzbɪˈɒpɪk If you had good, uncorrected vision before becoming presbyopic, you may be able to use nonprescription, over-the-counter reading glasses. Example sentencesExamples - I spend way too much time online, reading most of my news on a computer where my presbyopic vision is aided by bright contrast and the ability to make fonts larger.
- Those who are farsighted and prematurely presbyopic may indeed be candidates for this procedure but not most aviators.
- I need friendly font sizes that don't cause premature use of unattractive, presbyopic eyewear.
Origin Late 18th century: modern Latin, from Greek presbus 'old man' + ōps, ōp- 'eye'. Definition of presbyopia in US English: presbyopianoun Farsightedness caused by loss of elasticity of the lens of the eye, occurring typically in middle and old age. Example sentencesExamples - This is another option for people with presbyopia, in which you use a lens with the reading prescription in one eye and a lens with the distance prescription in the other eye.
- Finally, presbyopia hits a significant number of adults in their 40s, because the eye's lens naturally loses elasticity with age, producing fuzzy near vision.
- The theory is that presbyopia occurs because the lens becomes too large, not too hard but too large.
- Although you can't prevent presbyopia, you can help protect your eyes and your vision.
- A number of changes occur in the eye as you grow older, but most experts agree that a hardening of your lens causes presbyopia.
- But he went on to explain that presbyopia is a visual problem caused by a loss of elasticity of the lens which prevents or slows down the focusing of the eye.
- Around the age of 40, give or take, the focusing system of the eye becomes less flexible, a normal aging process called presbyopia.
- Most adults develop a form of far-sightedness called presbyopia as they get older.
Origin Late 18th century: modern Latin, from Greek presbus ‘old man’ + ōps, ōp- ‘eye’. |