Corneal cytology and aerobic and fungal cultures are indicated in equineulcerative corneal disease. A lack of fluorescein stain does not indicate it is safe to use topical corticosteroids in the horse. Stromal abscessation is always a concern.Surgery of the cornea requires magnification, specialized instrumentation and appropriate suture selection. Corneal ulceration is perhaps the most frustrating and potentially devastating disease of the equine eye. Of all species commonly treated in veterinary ophthalmology, the cornea of the horse is the slowest to heal, the most likely to become infected, and yields the poorest results. In addition, the size and temperament of the animal makes frequent treatment difficult for both owner and veterinarian. In most instances corneal ulceration is the result of an initial trauma, but secondary infection is common especially in those eyes treated with topical corticosteroids following ulceration.
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