
1) Animal disease 2) Equine ophthalmia 3) Fish 4) Moon blindness
Found on
https://www.crosswordclues.com/clue/mooneye

The mooneyes are a family, the Hiodontidae, of ray-finned fish comprising two living and three extinct species in the genus Hiodon. They are large-eyed, fork-tailed fish that physically resemble shads. Their common name comes from the metallic gold or silver shine of their eyes. The higher classification of the mooneyes is not as yet fully establi...
Found on
http://en.wikipedia.org/wiki/Mooneye

North American freshwater fish of the family Hiodontidae. The mooneye is a spirited catch but is not greatly valued as food. Mooneyes are ...
Found on
http://www.britannica.com/eb/a-z/m/118

an eye of a horse affected with moon blindness. · any silvery, herringlike fish of the family Hiodontidae, esp. Hiodon tergisus, found in fresh waters from Hudson Bay to the lower Mississippi, having large eyes.
Found on
https://www.infoplease.com/dictionary/mooneye
No exact match found.