Popeye disease is a condition in which a fish's eye swells and bulges from the socket. The eyes may also appear cloudy. When left untreated, popeye disease can cause a fish to lose its eyesight or even result in the loss of an eye. Fish popeye has several potential causes, including infection, injury, and poor water condition. You can usually treat popeye in fish, but the treatment depends on the cause.
Protrusion of one or both eyeballs.
Stretching of the eye socket.
Discoloration or blood in the eyeball.
Rupture of the eyeball.
Cloudiness of the eyeball.
Use anti Pop Eye medicines according to the tank size (Dosage 10 ml per 100 liters)
Given prompt treatment and good environmental conditions, popeye can get better with time. It takes weeks or months for the swelling to diminish, and damage to the cornea of the fish can be even slower to heal. However, severe damage to the fish's eye may never heal completely, even if the swelling itself goes down.