One of the mysteries of the English language finally explained.
Farsightedness caused by loss of elasticity of the lens of the eye, occurring typically in middle and old age.
- ‘Around the age of 40, give or take, the focusing system of the eye becomes less flexible, a normal aging process called presbyopia.’
- ‘Although you can't prevent presbyopia, you can help protect your eyes and your vision.’
- ‘Most adults develop a form of far-sightedness called presbyopia as they get older.’
- ‘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.’
- ‘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.’
- ‘A number of changes occur in the eye as you grow older, but most experts agree that a hardening of your lens causes 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.’
Late 18th century: modern Latin, from Greek presbus ‘old man’ + ōps, ōp- ‘eye’.
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