Appaloosa occurs in several overlay patterns on one of several recognized base coat colors. There are three other distinctive, "core" characteristics: mottled skin, striped hooves, and eyes with a white sclera. Skin mottling is usually seen around the muzzle, eyes, anus, and genitalia. Striped hooves are a common trait, quite noticeable on Appaloosas, but not unique to the breed. The sclera is the part of the eye surrounding the iris; although all horses show white around the eye if the eye is rolled back, to have a readily visible white sclera with the eye in a normal position is a distinctive
Cherry eye of causes including drug toxicity, cherry eye, previous surgery, trauma, and irradiation. KCS can be treated, but treatment often spans the entirety of the animal’s life. In contrast to this, several replacement surgical procedures exist to remedy cherry eye. Replacement of the gland results in lower instances of dry eye later in life. Surgery types are broken into two groups: anchoring procedures and pocket/envelope procedures. At least 8 surgical techniques currently exist. In anchoring procedures, the prolapsed gland must be sutured to the periorbital fascia, the sclera, or the base of the third eyelid. In contrast, pocket procedures involve suturing