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Guru Nanak Eye Centre
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Frequently Asked Questions
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What must be done in case of injury ?


Patients of any kind of injury should not rub their eyes.

They should not self medicate

In case of chemical injury eye should be copiously washed with tap water.

Consult the ophthalmologist immediately.

All injuries should be treated as an emergency.


What is Cataract?


Cataract is the clouding of the lens of the eye. The normally clear aspirin−sized lens of the eye starts to become cloudy. The result is much like smearing grease over the lens of a camera. It impairs normal vision


Which operation is the best for cataract removal?


The conventional cataract surgery with an intra-ocular lens has been perfected over the years and has very few complications. However phakomulsification (a newer technique) offers some advantages i.e. early rehabilitation and suture less surgery with consequent less astigmatism. But this procedure has a higher rate of more severe complications. It is better to allow your ophthalmic surgeon to decide the type of procedure in an individual case.


What is Phacoemulsification?


Most cataract surgeries today are performed using phacoemulsification, a procedure in which the lens with the cataract is broken up by ultrasound, irrigated, and suctioned out. However, it requires proper case selection. The facility is available at Guru Nanak Eye Centre


What eye problems are often associated with diabetes?


Diabetic eye disease refers to a group of eye problems that people with diabetes may face as complications.AII can cause severe vision loss or even blindness. Diabetic eye disease can often be treated before vision loss occurs. All people with diabetes should have a dilated eye exam at least once a year Diabetic eye diseases include:

  1. Diabetic retinopathy
  2. Cataract
  3. Glaucoma

Diabetic retinopathy is the most common eye disease in persons with diabetes


What is diabetic retinopathy?


Diabetic retinopathy is the leading cause of blindness in American adults.It is caused by changes in the blood vessels of the retina. In some people with diabetic retinopathy, retinal blood vessels may swell and leak fluid,while in others, abnormal new blood vessels grow on the surface of the retina. These changes may result in vision loss or blindness.Diabetic retinopathy cannot be completely avoided, but the risk can be greatly reduced.Better control of blood sugar level slows the onset and progression of retinopathy and lessens the need for laser surgery for severe retinopathy.


What are the symptoms of diabetic retinopathy?


There may be no symptoms or pain in the early stages of the diabetic retinopathy, and vision may not change until the disease progresses. A condition called macular edema may occur when the macula, a part of the


How is diabetic retinopathy diagnosed?


In addition to a complete medical history and eye examination, your eye care professional may perform the following tests to diagnose diabetic retinopathy:

  1. visual acuity test - the common eye chart test (see right), which measures vision ability at various distances.
  2. pupil dilation - the pupil is widened with eyedrops to allow a close-up examination of the eye's retina.
  3. tonometry - a standard test to determine the fluid pressure inside the eye.
  4. ophthalmoscopy - a physician performs a detailed examination of the retina using a special magnifying glass.

Treatment for diabetic retinopathy:

Specific treatment will be determined by your physician(s) based on:

  1. your age, overall health, and medical history
  2. extent of the disease
  3. your tolerance for specific medications, procedures, or therapies . expectations for the course of the disease
  4. your opinion or preference

According to the National Eye Institute, part of the National Institutes of Health, even people with advance retinopathy have a 90 percent chance of keeping their vision when they seek treatment before the retina becomes severely damaged. Treatment for diabetic retinopathy may include

  1. Laser surgery - often used to treat macular edema and proliferative retinopathy; involves shrinking the abnormal blood vessels, or sealing the leaking ones.
  2. Vitrectomy - a type of procedure that involves removing the cloudy vitreous (the clear, jelly-like substance that fills the center of the eye) and replacing it with a salt solution. Vitrectomies are particularly effective in (persons with insulin-dependent diabetes, who may be at a greater risk of blindness due to a hemorrhage in the eye

Other Diabetic Eye Problems:

People with diabetes are also at risk for other diabetic eye diseases, such as:

  1. cataract- a clouding or opaque area develops over the lens of the eye--an area that is normally transparent. As this thickening occurs, it prevents light rays from passing through the lens and focusing on the retina--the light sensitive tissue lining located in the back of the eye.

Persons with diabetes are also twice as likely as other adults to develop a cataract.

  1. Glaucoma-increase in fluid pressure inside the eye that leads to optic nerve damage and loss of vision

Persons with diabetes are also twice as likely as other adults to develop a glaucoma.


What precautions must be taken after cataract surgery?


After a conventional cataract surgery, the patient should avoid straining, jerks, lifting weights, etc for at least 6 weeks. He should avoid washing the eyes with tap water for 6 weeks. He can resume reading with other eye and light

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Last Updated : 13-Jan-2016