PRESBYOPIA

Pronunciation (US):

(GB):

 Dictionary entry overview: What does presbyopia mean? 

• PRESBYOPIA (noun)
  The noun PRESBYOPIA has 1 sense:

1. a reduced ability to focus on near objects caused by loss of elasticity of the crystalline lens after age 45

  Familiarity information: PRESBYOPIA used as a noun is very rare.

 Dictionary entry details 

• PRESBYOPIA (noun)

Sense 1

Meaning:

A reduced ability to focus on near objects caused by loss of elasticity of the crystalline lens after age 45

Classified under:

Nouns denoting stable states of affairs

Synonyms:

farsightedness; presbyopia

Hypernyms ("presbyopia" is a kind of...):

farsightedness; hypermetropia; hypermetropy; hyperopia; longsightedness (abnormal condition in which vision for distant objects is better than for near objects)

Derivation:

presbyopic (able to see distant objects clearly)

 Context examples 

A lens generally worn in front of the eye, mainly used to treat myopia, hyperopia, astigmatism, and presbyopia.

(Corrective Lens, NCI Thesaurus)