Second Sight Eye Clinic

Eye Health Articles

Honest, patient-focused information about eye conditions, contact lenses, and myopia control. Written by Dr. Optom Ashima Bhargava.

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Corneal ectasia 5 min read

What is Corneal Ectasia? Causes, Symptoms, and Non-Surgical Options

Corneal ectasia is an umbrella term for conditions in which the cornea progressively thins and bulges forward, disrupting its smooth refractive surface and causing worsening, irregular vision. Keratoconus is the most common form. Post-LASIK ectasia and pellucid marginal degeneration are rarer but clinically important variants. Understanding ectasia explains why glasses stop working and what can be done.