Definition: Choroidoiritis, also known as a corneal edema or corneal ulcer, is a condition that occurs when there's an inflammation of the cornea (the clear outer layer of the eye) due to excessive fluid buildup in the cornea. It can cause pain and other symptoms like redness, swelling, or itching. This type of eye disease is common but not always serious. If left untreated, it can lead to more serious complications such as infection, blindness