Corneal edema is a condition characterized by swelling of the cornea, the clear front surface of the eye. This swelling occurs when fluid accumulates in the corneal tissue, leading to blurred vision and discomfort. It can result from various factors, including eye surgery, injury, or underlying diseases such as glaucoma. The condition can be diagnosed through a comprehensive eye examination. Treatment options may include the use of hypertonic saline solutions to draw excess fluid out of the cornea or addressing the underlying cause. In severe cases, surgical interventions, such as a corneal transplant, may be necessary to restore vision.