Macular degeneration is damage to the macula. Eye could still see the objects seen on the side, because of side vision or peripheral vision is usually not disturbed. That’s why when there are only macular degeneration, total blindness will not occur. But this disorder will cause trouble to read or work with objects that are located near or may not be done without special optical aids for the handicapped vision or residual vision.
When the eyes look straight ahead, the macula in the retina be a point where the beam of light gathered by the focusing by the cornea and lens of the eye. As the function of the film in the camera, the retina receives the image that comes through the lens of the eye as the camera. When the macula is damaged, the shadow that lies in the middle there will be blocked as blurred area attached to the center of the image. The shadow areas are located in this fuzzy area may be seen clearly.
The retina is a layer of soft tissue attached to the inner wall of the the back of the eye. The macula is a very small area in the central retina. This area of central vision care in a straight forward direction, Which is required for reading and detailed vision.
Although macular degeneration occurs most elderly people, aging process alone does not always lead to loss of central vision. However, macular degeneration is the leading cause of impaired function of reading and detailed vision at close range.