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Monday, 21 September 2020
FACTS ABOUT THE CORNEA AND CORNEAL DISEASES
The cornea is the eye’s outermost layer. It is the clear, oval-shaped surface which covers the frontal part of the eye. It plays an important role in focusing the vision. The cornea acts as a protective layer against dirt, germs, and other particles which can harm the eye. The cornea shares this protective task with the eyelids and eye sockets, tears, and the sclera. The cornea also plays a key role by focusing the light that comes into the eye. The cornea also serves as a filter that screens out damaging UV light from the sun. Without this protection, the lens and the retina would be exposed to injury from UV rays.
What affects the cornea ?
Injuries : After minor injuries or scratches, the cornea usually heals on its own. Deeper injuries can cause corneal scarring, resulting in a haze on the cornea that impairs vision.
Allergies: The most common allergies that affect the eye are those related to pollen. The general symptoms of allergies in the eye include redness, itching, tearing, burning, stinging, and watery discharge.
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TREATMENT OF KERATOCONUS: THINGS YOU SHOULD KNOW!
Keratoconus is a non-inflammatory, progressive, degenerative disorder characterised by thinning of the cornea – central or paracentral cornea starts to bulge and become cone-shaped instead. This process of thinning and re-shaping is termed corneal ectasia. This can make your vision distorted and blurry, as light being focused by your cornea forms an imprecise image on your retina, at the back of your eye. As keratoconus advances, it results in irregular astigmatism, and scarring begins to take place on the exposed high points of the cornea. This leads to a progressive but obvious reduction in best-corrected visual acuity (BCVA), with low-contrast visual acuity (VA) declining more rapidly than high-contrast VA.
This is a relatively common disorder of unknown etiology and most likely multifactorial. Many experts think that genetics plays a vital role. The term Keratoconus is actually a Greek word (kerato- idis: Cornea; konos: Cone), meaning cone-shaped extension of the cornea. Keratoconus is a common disorder with a reported prevalence ranging from 50 to 200 per 100,000. Keratoconus is generally first diagnosed during the teens to early 20s, but it can be unpredictable in how fast it progresses. It is significant to keep in mind that to avoid rubbing your eyes as this can contribute to the progression of the disease.
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WHAT YOU NEED TO KNOW ABOUT AN OCULOPLASTIC SURGERY
Oculoplastic surgery or Ophthalmic plastic surgery is a highly specialized surgical sub-specialty of ophthalmology that involves reconstruction of the eyes orbit, tear ducts, eyelids, eyebrows, and forehead. The reconstructive procedures are performed by oculoplastic surgeons who are ophthalmologists who have completed an additional two years of training apart from their regular ophthalmology program. Oculoplastic surgeons are trained to perform plastic, reconstructive, and even cosmetic procedures for the upper part of the face. Most of the oculoplastic surgeries can be performed as daycare and do not require hospitalization.
Conditions Treated
Oculoplastic surgery treats different conditions that include:
- Droopy eyes
- Skin cancer or abnormal growths around the eyes
- Injuries to the eyes
- Congenital disability of the eye orbit
- Eye problems caused by thyroid disease
- Eyelids that turn inward and outward
- Tear duct problems
- Cosmetic eye problems like fallen eyes, excess upper lid skin, and bulging lids
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Thursday, 3 September 2020
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TREATMENT FOR CHEMICAL EYE BURN
The role of vision and its importance in our lives is beyond description. Hence the need for its protection. Chemical eye burns contribute to about 10% of total eye injuries reported worldwide. They are caused due to an exposure of eyes or eye lids to certain chemicals.
Eye burns or injuries due to exposure to deterrents, however mild, should not be treated lightly as complications can result in permanent blindness. The severity of chemical burns can vary with the intensity of exposure and the materials involved.
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