очки близорукость

FAR-SIGHTEDNESS (гиперметропия) - one of kinds of a clinical refraction of the eye, described by that focus of parallel beams after their refraction in an eye lays behind of a retina (fig. 1). Д. meets at 50 % of adult people. Reasons Д.: weakness of the refracting device of an eye (рефракционная Д.), a short передне-back axis of an eye (axial Д.); at normal length of smallpoxes and refracting force - their disproportionate combination (combinational Д.). Подробнее...

Transparent elastic crystalline lens strongly refracting rays of light has the form of a biconvex lens. The crystalline lens has no vessels and nerves. Absence of a crystalline lens in Г. [after removal{distance} of a cataract or рассасывания an injured crystalline lens] refers to афакней. Подробнее...