Noun: presbyopia ,prez-bi'ow-pee-u
- A reduced ability to focus on near objects caused by loss of elasticity of the crystalline lens after age 45
"She noticed her presbyopia worsening and had to hold books farther away to read";
- farsightedness
Derived forms: presbyopias
Type of: farsightedness [N. Amer], hypermetropia, hypermetropy, hyperopia, long-sightedness [Brit]
Encyclopedia: Presbyopia