It occurs as we age. It gradually advances and might cause central vision loss or a black point in our visiual field. Smoking, Genetic disposition or unhealthy nutrition are also risk facts of macular degeneration.
Macula is the center of the retina. The nerve roots behind the eye and the point in the retina provides the most of the vision. Macula helps us drive, read or write with a clear vision which might not be possible in case of any damages on it.
The symptoms may vary from one patient to the other. Therefore it could be hard to diagnose in the beginning. When it occurs in only one eye which most of the time is difficult to make sure that its only one eye, the other healthy eye can function for a long time. Whereas the central vision loss might be diagnosed earlier and easier.
Observing any distortions or blurriness in an article or a black point in the central of the vision are the first symptomps of the macular degeneration.
Types of Macular Degeneration
Dry Type : Dry AMD is an early stage of the disease and may result from the aging and thinning of macular tissues, depositing of pigment in the macula. It causes long-lasting visual loss and progress very slowly.
Wet Type: In this type, new sick blood vessels occur and progress to the macula. This can cause sudden vision loss which is observed more rarely than the dry type.
People at risk
One third of the People over 60 who have relatives having macular degeneration is more likely to have the risk. Women are more at risk rather than men. Also people with diabetes, hypertension, color eyes, coroner disease, vitamin deficiency or smoking habits are in this group.