![]() Such as Down's syndrome, albinism, and retinitis pigmentosa. Other factors that increase your risk for cornea ectasia are: External factors such as eye surgery, contact lenses, and frequent and aggressive eye rubbing have been associated with ectasia. 3,4Ĭorneal trauma is another possible cause. This suggests it is a hereditary condition. Most corneal ectasias are present in families. Damage to the cornea may also cause swelling and fluid to build up within its layers. If it becomes too thin, fluid from inside the eyes can enter the cornea. Your cornea is one of many structures that keeps them in the right place. The eye is comprised of different fluids. The eye surgeon may recommend alternative treatments if LASIK surgery puts you at higher risk for corneal ectasia. Abnormal corneal topography (e.g., uneven structures).Thin residual stromal bed that is less than 250 um.2 Possible Risk Factorsįactors that increase your risk for post-LASIK ectasia are: 1,2 People with pre-existing corneal problems may also develop post-surgical corneal ectasia. If too much corneal tissue is removed or becomes damaged, it can cause ectasia. LASIK uses a special laser to cut and shape the cornea. The ophthalmologist will also discuss the benefits and risks of LASIK surgery. It can cause progressive myopia and astigmatism, leading to worsening eyesight.īefore the procedure, your doctor will assess you to see if you are a suitable candidate. Post-LASIK ectasia is a rare complication that affects 0.02% to 0.6% of people who undergo LASIK. It is the most popular and most commonly performed corneal refractive surgery. Laser in-situ keratomileusis ( LASIK) is a procedure that corrects vision problems. Wound ectasia after penetrating keratoplasty (PK). A corneal ectatic disorder that develops as a complication of corneal transplant.A post-surgical corneal ectasia that occurs as a complication of LASIK or PRK. A slowly progressive eye disease that causes peripheral thinning of the cornea. ![]() It causes thinning on the lower (inferior) and sides (peripheral) of the cornea. It is characterized by the round-shaped (globular) bulging of the eyes. A rare and degenerative eye disorder with general thinning of the cornea. Unlike keratoconus, it does not lead to a cone-shaped bulging of the eye. It causes thinning at the inner surface (posterior) of the cornea. The weak cornea causes the eye to bulge in the shape of a cone. A progressive eye disease that involves gradual thinning of the central cornea. The types of corneal ectatic disorders are:
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