{Reference Type}: Case Reports {Title}: Acute Corneal Edema in a Middle-Aged Patient. {Author}: Tran JA;Kaufman AR;Ciolino JB; {Journal}: JAMA Ophthalmol {Volume}: 142 {Issue}: 6 {Year}: 2024 Jun 1 {Factor}: 8.253 {DOI}: 10.1001/jamaophthalmol.2024.1094 {Abstract}: A middle-aged patient who had bilateral penetrating keratoplasty 20 years ago for keratoconus presented with pain and blurriness of the right eye for 2 days. Despite prompt corticosteroid therapy, they had no vision improvement and reported occasional pain. What would you do next?