Glaucoma represents a group of diseases in which optic nerve damage occurs, resulting in some of the nerve cells being killed, leading to the disappearance of parts of the field of vision or even a complete loss of vision. The glaucoma symptoms usually appear in further stages, which makes very hard to determine and diagnosis the disease. However, patients must be very careful in case they have hazy or blurred vision, appearance of rainbow-colored circles around bright lights or sudden sight loss.
In the majority of cases, glaucoma is associated with elevated intraocular pressure, which is either caused by impaired drainage function or increased production of ocular fluid that fills the eye chambers and soaks the vitreous. For this reason, many authors believe that the underlying disease is the elevated intraocular pressure, which damages the optic nerve and leads to partial or complete atrophy. However, the presence of increased intraocular contusion is not equivalent to the presence of glaucoma. For the latter, it is necessary to damage the optic nerve associated with its atrophy.
Some early glaucoma symptoms of an attack may include blurred vision, halos, mild headaches or eye pain. People with these symptoms should be checked by their ophthalmologist as soon as possible. The further symptoms of glaucoma are severe pain in the eye or forehead, redness of the eye, decreased vision or blurred vision, seeing rainbows or halos, headache, nausea, vomiting.
People with “normal tension glaucoma” have eye pressure that is within normal ranges, but show signs of glaucoma, such as blind spots in their field of vision and optic nerve damage.
If you are diagnosed with glaucoma, it is important to set a regular schedule of examinations with your eye doctor to monitor your condition and make sure that your prescribed treatment is effectively maintaining a safe eye pressure.
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