Hyperopia

Hyperopia (or more rarely, hypermetropia), also known as farsightedness or longsightedness, is a defect of vision caused by an impefection in the eye, causing inablility to focus on near objects, and in extreme cases causing a sufferer to be unable to focus on objects at any distance. It is corrected by a using eyeglasses with lenseses of positive curvature (magnifying glasses).

See also myopia for a related but opposite condition.