What Are the Causes of Keratectasia? - iCliniq
2023年7月20日 · Keratectasia is an eye condition with bulging and cornea thinning, leading to decreased visual acuity. The disease can be caused due to LASIK surgery, an eye disorder, or any trauma to the eye. The eye doctor may diagnose the condition by comprehensive eye examinations and various diagnostic tests.
Corneal Ectasia: Causes, Types, Symptoms, and Treatments
2024年2月20日 · Corneal ectasia refers to a group of conditions that cause the progressive thinning of the cornea (clear front layer of the eye). This thinning causes the corneal tissue to weaken and bulge outward. Ectasia can occur on its own, or it can result from certain surgeries, such as corneal refractive surgery.
Keratectasia After LASIK: What You Need to Know
2024年8月8日 · Keratectasia, also known as ectasia, is a rare but serious complication that can occur after LASIK surgery. It is characterized by a weakening and outward bulging of the cornea, resulting in vision problems and discomfort for the patient.
Keratectasia | definition of keratectasia by ... - Medical Dictionary
Bulging of the CORNEA due to weakening from thinning or softening ( KERATOMALACIA ). In keratectasia there is a danger of rupture under the influence of the normal intraocular pressure and urgent measures are needed to avoid this. Sometimes a ‘bandage’ contact lens is used; more often a corneal graft is performed.
Ectasia After LASIK - EyeWiki
Post-LASIK ectasia is considered in patients who developed increasing myopia, with or without increasing astigmatism, loss of uncorrected visual acuity, often loss of best-corrected visual acuity, with keratometric steepening, posterior corneal elevation, with or without central and paracentral corneal thinning, and topographic evidence of asymm...
What Is Corneal Ectasia? - All About Vision
2024年2月6日 · Corneal ectasia is when the cornea, the clear membrane in the front of the eye, develops a bulge. This cone-shaped protrusion is caused by thinning of the cornea. This thinning can result from a condition called keratoconus, refractive surgery, or a corneal infection or injury. What causes corneal ectasia?
Corneal ectatic disorders - Wikipedia
Keratoconus, a progressive, noninflammatory, bilateral, asymmetric disease, characterized by paraxial stromal thinning and weakening that leads to corneal surface distortion. [2]Keratoglobus, a rare noninflammatory corneal thinning disorder, characterised by generalised thinning and globular protrusion of the cornea. [3]Pellucid marginal degeneration, a bilateral, …
Corneal Ectasia: Causes & Symptoms - Cleveland Clinic
Corneal ectasia is a group of conditions that cause your cornea to thin and bulge outward. Ectasia can happen naturally or as a result of certain surgeries, such as vision correction surgery. The main symptom is vision that gradually gets worse over time. Glasses and contacts improve vision, and surgery can slow or stop the progression.
Keratectasia after laser-assisted subepithelial keratectomy for …
2018年3月23日 · Keratectasia is a rare but serious complication of refractive surgery that leads to a significant and progressive decrease of CDVA and corneal thickness. Preoperative FFKC has been considered the major reason for corneal ectasia following LASIK or PRK.
Corneal collagen crosslinking for corneal ectasia of post-LASIK: …
2012年2月15日 · Post-laser in situ keratomileusis (LASIK) corneal ectasia is one of the most serious side effects of refractive surgery. The disease is characterized by a progressive thinning and steepening of the central and inferior portions of the cornea [1]. Until recently, treatment options were limited.