Fish that are affected by this condition display swelling in one or both eyes. The eye might get discolored or showcase a cloudy appearance. This occurs when the fish has been suffering from a physical injury.

Oscar fish In some cases the eye might even appear bloodstained. Oscar fish occasionally develop cloudy eyes or one cloudy eye. This article addresses why this might happen and ways to cure Probably the most common cause of cloudy eyes in fish seems to be directly related to poor water quality. This could be prolonged exposure to high ammonia and nitrite or keeping fish in water with a very high nitrate What is cloudy eye in fish The structure of a fish s eyeball is similar to that of humans. There is an outer layer called a cornea which protects the inner structure of the eye from damage. Below the cornea is the iris which is used to adjust the light coming into the eyes. When they complained of aquarium fish with cloudy eyes almost without exception i found the ph in their fish aquariums to be extremely low.
Often the ph was so low it tested off the chart. Large fish produce a lot of waste. One of the by-products of biofiltration in a tank is the production of acids. In a tank with a high bioload Cloudy eye is a secondary infection brought on by the ich. Keep doing more frequent water changes. Keep an eye on the ammonia levels check them everyday. I have used fungus clear by jungle to treat cloudy eye. It s cheap and treat fungus as well as bacteria. If that dose not work you can try the more maracyn.
This video is a guide to treating numerous diseases including fin rot eye cloud open sores and wounds on fish. My personal opinion on the best medicine to Pop eye fish disease will cause the eye or eyes will protrude from the head and look as if the eyes have a cloudy covering. The disease takes about two weeks to peak and by then the eyes have swollen a great deal. When treating pop eye disease you must make sure your aquariums water quality is in good shape. White film over fish eyes I have noticed this white thing forming over the eye of some of my mollies It forms over the eye and goes away by itself but does comes back The levels i have yet to test but the water is cloudy The tank is probably going through its monthly cycle now and i have a 37 gallon tank

Black Moor Goldfish Info with Care Details and Pictures
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M lange October 2010
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