Blind spot or area of vision due to different causes such as maculopathy, an injury to the optic nerve, a spot on the retina. It comes from the Greek 963; 954; 959; 964; 969; 956; 945; (skotoma "dizziness with obscuration of vision") , by 963; 954; 959; 964; 959; 962; (skotos "darkness, darkness").