- presbyopes
- n. far-sighted person, person who can only see distant objects clearly
English contemporary dictionary. 2014.
English contemporary dictionary. 2014.
Hyperopia — Hypermetropia Classification and external resources ICD 10 H52.0 ICD 9 367.0 Hyperopia, also known as farsig … Wikipedia
Presbyopia — is a condition where the eye exhibits a progressively diminished ability to focus on near objects with age. Presbyopia’s exact mechanisms are not known with certainty; the research evidence most strongly supports a loss of elasticity of the… … Wikipedia
Adjustable focus — eyeglasses compensate for the effects of presbyopia, lack of focusing, by providing on demand clarity at any desired distance.Two approaches can be found in the literature: electro optical (often utilizing liquid crystals as the active medium)… … Wikipedia