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Glaucoma and its details

Glaucoma is a condition of increased fluid pressure inside the eye. This damages the optic nerve, causing partial vision loss
and eventually blindness. Glaucoma is a leading cause of blindness.

What causes Glaucoma ?
It is caused when the fluid produced inside the eye is not drained properly. This causes pressure on the back of the eye and leads
to deteriorating vision and pain.

How does a person know if he/she is at risk ?
Although the risk factors depend on the type of Glaucoma, its risk increases if you :
– have a family history of glaucoma.
– suffer from diabetes.
– have previously injured your eye.
– are near-sighted or long-sighted.
– are over 40 years old.

What are the different types of Glaucoma ?
There are two common types of Glaucoma :
– Open angle Glaucoma : It is a slow process that develops gradually with age and usually results in a lateral vision loss.
– Closed angle Glaucoma : It develops quickly and builds intracular pressure rapidly to cause symptoms like halos (seeing round
circles around light), pain, etc.

What are the symptoms of Glaucoma ?
The symptoms of Glaucoma are different for each kind. Sometimes, a person with Glaucoma experiences no symptoms. But when symptoms
do occur, these include :
– Open angle Glaucoma
* Gradual loss of peripheral vision.
* Blurred or foggy vision.
– Closed angle Glaucoma
* Severe eye pain.
* Facial pain.
* Loss of vision.
* Cloudy vision with rainbow halos appearing around lights.
* Red eye.
* Dilated pupil.
* Nausea and vomiting.

What should be done if these symptoms occur ?
Schedule an appointment with Opthalmololgist for a thorough eye examination which includes :
– Visual acuity.
– Refraction.
– Pupillary reflex response.
– Intraocular pressure measurement by tonometry.
– Slit lamp examination.
– Retinal examination.
– Visual field measurement.
Glaucoma cannot be prevented but an early diagnosis and treatment can prevent vision loss. Opthalmoscopic examinations and tonometry should
be conducted every two years after 35 years of age.
If left untreated, Glaucoma can lead to :
– Reduced vision.
– Tunnel vision.
– Blindness

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