A condition in which close objects are seen more clearly than those at distance. Light focuses in front of the retina, causing blurriness, because the eye is too long. The retina is located on the back of the eye and works like film in a camera. Myopia can be corrected with contact lenses or eyeglasses. A condition where far objects are seen more clearly than near ones.
Light focuses behind the retina, causing blurriness, because the eye is too short.
Hyperopia can also be corrected with contact lenses or eyeglasses. Astigmatism A condition in which the eye is shaped more oval than round, causing the horizontal and vertical portions of the eye to focus differently. Astigmatism causes blurriness at all distances. Astigmatism can ge corrected with contact lenses or eyeglasses. If diagnosed and treated as a young child, permanent vision loss can usually be avoided.