What are the signs of cataract surgery failure? A question that concerns many cataract patients, as cataract surgery is a common procedure that aims to remove the cloudy lens of the eye and replace it with an artificial lens that helps improve vision. This type of operation is considered one of the most successful surgical operations in ophthalmology, but in some cases complications or failure of the operation may occur. In this article, we will discuss in detail the signs of cataract surgery failure, how to recognize these signs, and ways to deal with them.