Keratoconus with Acute Hydrops and Perforation: Brief Case Report.Rubsamen, Patrick E. M.D.; McLeish, William M. M.D.Cornea: January 1991 CASE REPORTS: PDF Only Abstract Abstract : Keratoconus is a corneal thinning disorder usually localized to the paracentral cornea. Though acute hydrops has been well described (1-3), perforation in keratoconus is an extremely rare event. We report a case of keratoconus with acute hydrops and perforation. (C) Lippincott-Raven Publishers.