Glaucoma

Glaucoma is the disease of eye in which the major optic nerve is damaged, which cause loss of vision or sometimes the victim becomes fully blind from eyes. Most of the victims only loss their vision but there are rare cases of blindness. It is second leading cause of blindness after Strabismus.
In America there are more than 300,000 people facing glaucoma, much of the people do not even know that they are facing glaucoma problem because it is not much noticeable.

Symptoms Of Glaucoma :

There are two categories of Glaucoma, one is OPEN ANGLE and the other one is CLOSED ANGLE. Where Open Angle grows slowly and the patient can not feel that he/she has lost eye sight, until glaucoma processed significantly.
Where as Closed Angle grows rapidly and it is often painful, Once the vision of victim is damaged it can not be recovered, Closed Angle Glaucoma is an ophthalmologic emergency.

Causes Of Glaucoma :

Eye of human being is maintained with the pressure which is known as Intraocular pressure, which normally ranges between 8 millimeters and 22 millimeters of mercury, when this pressure lows the eye becomes softer and when it increases eye becomes harder than normal, and through this up and downing of pressure the fibers in the nerve are easily damaged and this is the main cause.
The other cause of Glaucoma is the increased pressure with in the eye, which is also known as Ocular hypertension. Those people who are suffering from myopia are at high risk of getting caught with glaucoma disease.