Corneal ectatic disorders or corneal ectasia are a group of uncommon, noninflammatory, eye disorders characterised by bilateral thinning of the central, paracentral, or peripheral cornea.
[1] Usually diagnosed clinically by several clinical tests.
Although some investigations might needed for confirming the diagnosis and to differentiate different types of corneal ectatic diseases.
[citation needed] Treatment options include contact lenses and intrastromal corneal ring segments for correcting refractive errors caused by irregular corneal surface,[7][8] corneal collagen cross-linking to strengthen a weak and ectatic cornea,[9] or corneal transplant for advanced cases.