ASTIGMATISM

 Astigmatism is a type of refractive error wherein the refraction varies in the different meridian. Consequently, the rays of light entering in the eye cannot converge to a point focus. Varieties of ASTIGMATISM A.Regular Astigmatism: The astigmatism is regular when the refractive power changes uniformly from one meridian to another                 Depending upon the position […]

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MYOPIA (short-sightedness)

Myopia or short-sightedness is a type of refractive error in which parallel rays of light coming from infinity are focused in front of the retina when accommodation is at rest. Varieties of Myopia Symptoms of myopia Treatment of myopia 2.Surgical treatment of myopia is becoming very popular now-a-days. 3.General measures empirically believed to effect the […]

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HYPERMETROPIA (long-sightedness)

Hypermetropia (hyperopia) is the refractive state of the eye wherein parallel rays of light coming from infinity are focused behind the retina with accommodation being at rest. The posterior focal point is behind the retina, receives a blurred image. Hypermetropia may be axial, curvatural, index, positional and due to absence of lens. 1. Axial hypermetropia […]

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EYE WATERING OR EXCESS TEARING

The TEAR, covers the front surface of the eye and is essential for protecting the eye from the environment, lubricating the ocular surface, maintaining a smooth surface for light refraction, and preserving the health of the conjunctiva and cornea. Causes of watery eyes  Excessive tearing caused by excessive tear production or secondary to poor drainage.It […]

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DRY EYE SYNDROME

In dry eye syndrome, your eyes don’t produce enough tears or eyes are not able to maintain a normal layer of tears to coat your anterior surface of eyes. Causes Sufficient quality and quantity of tears in the eyes is essential for smooth feeling of the eyes. Tear layer consist of the three layers of […]

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REDNESS OF EYE (RED EYE/PINK EYE)

RED EYE is an inflammation (infection) of the transparent membrane (conjunctiva) that covers the white part of your eyeball. When small blood vessels in the conjunctiva become inflamed, they’re more visible. This is what causes the whites of your eyes to appear reddish or pink. Causes Viruses Bacteria Allergies A chemical splash in the eye A […]

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