Definitions for "Hemeralopia"
A disease of the eyes, in consequence of which a person can see clearly or without pain only by daylight or a strong artificial light; day sight.
Day blindness. Often caused by clouding or opacity of one or more of the normally clear ocular tissues.
refers to day blindness caused by an abnormality of the cone cells in the retina. This is different from typical progressive retinal degeneration (PRA), which involves both the rod and cone cells of the retina causing night blindness and worsening day vision.