Presence of corneal ectasia in the family, especially keratoconus.Ī doctor will examine you for the following: If you have previous or current diseases that puts you at higher risk for corneal ectasia. Ocular history. If you had been diagnosed with corneal abnormalities and received treatments such as contact lenses and keratorefractive surgery.If you had pre-existing eyesight problems. When the symptoms appeared and if they worsened. To find out your risk for corneal ectasia, your doctor may ask questions about:
PELLUCID MARGINAL DEGENERATION ECTASIA HOW TO
6 How to Diagnose Corneal EctasiaĪn eye specialist will conduct tests to check for signs and symptoms of corneal ectasia. However, these symptoms may not show until after a few months or years since you had LASIK surgery. Post-LASIK ectasia has the same signs and symptoms as other types of corneal ectasia. But if the symptoms persist for several weeks, you may have a post-LASIK corneal ectasia. Some visual disturbances and eye discomfort are normal after LASIK surgery. What are the Symptoms of Post-LASIK Ectasia? Unless treated, it can lead to vision loss. However, a person with corneal ectasia will generally experience worsening vision. People with PMD and TMD ectasia may be asymptomatic and not develop most of these symptoms. Meanwhile, PMD is more common for those in their 30's to 50's. Keratoconus usually affects people in their 20's and 30's.
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: