|pathological changes in the macula lutea, resulting in loss of central vision: a common cause of blindness in the elderly|
|a gadget; dingus; thingumbob.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
macular degeneration n.
Degeneration of the macula lutea characterized by spots of pigmentation and causing a reduction or loss of central vision.
|macular degeneration (māk'yə-lər) Pronunciation Key
A progressive condition, usually seen in the elderly, characterized by a gradual loss of vision in the central area of the visual field and eventual blindness.