Figure 2. Eye and adnexa of an alpaca. The normal haired and fleshy caruncle is visible in the medial canthus and the leading edge of the nictitans is pigmented. The iris is heterochromic with variable amounts of pigment. The prominent iridal folds will interdigitate when the horizontally elliptical pupil constricts fully. A nuclear cataract can be seen within the pupil aperture.

Diagnosis and treatment of common ophthalmic disorders in South American camelids

Chemical sedation for ophthalmic examination is rarely necessary. Assessment of vision is similar to that of other domestic species. The menace response is elicited by advancing a closed fist quickly...