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Refractive Errors
Refractive surgery is an ophthalmic surgical procedure useful in correcting refractive errors of the eye such as nearsightedness (myopia), farsightedness (hyperopia), astigmatism, and presbyopia. A successful refractive eye surgery provides clearer sharper vision, and can be an alternative to glasses or contact lenses.
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Cataract
A cataract is a condition which causes clouding of lens in the eye resulting in blurry vision. The lens is situated behind the iris, the dark portion of the eye, and is not visible. When a cataract occurs, the lens becomes cloudy and is seen as a white cloudy ball in the centre of the iris.
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Glaucoma
Glaucoma is an eye disease that results in progressive vision loss due to the increased intraocular pressure and subsequent optic nerve damage. Optic nerve is a bundle of nerve fibres that carries visual images or signals from the eyes to the brain.