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Glaucoma is an eye condition that cause gradual vision loss due to irreversible damage to optic nerve , which is because of increase intraocular press . Glaucoma if not treated will continue to damage ocular nervus , which transmits images to the brain , and will go to lasting loss of visual sense causing permanentblindness . According to WHO , glaucoma is the second lead cause of lasting cecity across the world aftercataract . There is no permanent cure for glaucoma yet , but its progression can only be slowed with various discourse modality . However , even with treatment about 10 % patient still get loss of vision from glaucoma .
Risk Factors for Glaucoma
Glaucoma is due to increase press within the center , which make damage to optic boldness fibers that are highly susceptible to increased pressure . Glaucoma is also seen in person with normal intraocular pressure . People of all long time mathematical group are at risk for glaucoma from child to adults , but it is most ordinarily seen in individual over 60 eld of age , individuals who have family line history of glaucoma , who have a history of steroid hormone use , affected role who already have other heart conditions such asmyopia , hypermetropia and who endure fromdiabetes . Glaucoma is also more vulgar in African American ethnicity .
Types of Glaucoma
There are essentially two case of glaucoma :
Open - angle glaucoma is the most common type of glaucoma . This is a chronic character of glaucoma and its frequency increases with age . This is because of chronic fluid shape - up within the oculus due to gradual clogging of the drain system . This type of glaucoma is symptomless and there is peripheral deprivation of vision , which is undetected in the early stagecoach as there are no symptoms .
slant - closure glaucoma is less common character of glaucoma . In this , there is difficultness in drainage of sedimentary humor due to fall slant between iris and cornea leading to increased intraocular pressing . This might also be related to other eye conditions such as cataract or hypermetropia .
Symptoms of Glaucoma
There are so many cases of glaucoma around the world as most of the time , the most common form of glaucoma , assailable - slant glaucoma is generally symptom less , but might present with peripheral vision loss that might not be detected or is disregard by the patient in the initial leg of the disease mental process . Patient only report it when important vision is lost . When symptom are present , mostly with slant closure glaucoma , they might includeeye bother , headache , optic blurring , inflammation of the eye , and halos around lights , corneal haziness , sickness and vomiting and pin down imagination ( tunnel imaginativeness ) .
What Percentage of Glaucoma Patients Have Resulting Blindness?
As there is no permanent cure for glaucoma and initial stages of glaucoma is usually symptom less , it is usually advised to impose an ophthalmologist / optometrist routinely for an eye exam if one is at a dandy risk of exposure of glaucoma development or if one is over 40 years of age . In the US , it is estimate that 9 to 12 % of patient are reportedly blind due to glaucoma . Blindness is 6 to 8 times more common in African Americans and they are 15 times more likely to be visually impaired than Caucasians . There is greater probability of blindness from angle closure glaucoma than open angle glaucoma . Blindness due to glaucoma depends on the point it is diagnosed , if diagnosed in the advanced stage there is more likelihood of deterioration and the affected role going blind . In addition , older patients are at a peachy peril of going unsighted than young patients . Patients who do not follow stark treatment plan for glaucoma are also most likely to develop sightlessness from glaucoma .
Therefore , it becomes imperative that people get regular eye checkups , are diagnose in an other stagecoach and when diagnosed follow the treatment plan so that cecity can be prevented by appropriate discussion . The chance of sightlessness due to glaucoma has nearly halved in the last couple of decades with the advances in diagnosis and discourse .
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