Fungal Ulcers in the Equine Eye

Editor’s Note: This article was revised by the author to reflect new and updated information in November 2017.

Fungi are microscopic plants that lack chlorophyll; they are commonly found in the hay, grasses, shavings, straw, and dust of a horse’s environment. They normally live in balance with bacteria on the surface of the horse cornea and conjunctiva. For example, nearly all healthy horses living in Florida (95%) have fungi living on the surface of their eyes; t

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