F.h. Metz Jr., MD

This 20-year-old woman with Down syndrome has bilateral keratoconus, a common, noninflammatory, paracentral corneal ectasia that is occasionally hereditary. Symptoms vary from none to severely blurred vision. Opacity of this patient's right cornea developed after her eye had teared excessively for 1 day, during which time she continually rubbed it.