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Journal of Wildlife Diseases, 13(2), 1977, pp. 155-159
© Wildlife Disease Association  1977
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Blindness in a coyote, Canis latrans, from the rolling plains of Texas

DB Pence and WP Meinzer


ABSTRACT

Gross and histopathologic lesions in the eyes of a blind coyote, Canis latrans, collected in King County, Texas are discussed. The animal was in good condition and its age estimated at 7 years. The left globe presented with a superficial corneal erosion, a small punctate erosion, and an apparent lenticular opacity. Histologically, there was a mild anterior uveitis and lenticular degeneration with thickening of the anterior lens capsule, cataractous cortex with Morgagnian globules and bladder cells, and a dense nucleus. The right eye was a firm phthistic globe with thickened extraocular muscles and opaque cornea. Histologically, this presented as an adherent leucoma with partial loss of intraocular contents (retina, iris, and lens), intraocular bone undergoing haematopoiesis, a small granulomatous lesion with foreign body adjacent to the optic nerve in the dural sheath, and gliosis of the optic nerve. The loss of this eye probably resulted from a penetrating injury of the globe with partial loss of intraocular contents. Lesions noted in the eye may be interpreted as an acquired lenticular degeneration of the complicated type.





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Copyright © 1977 by the Wildlife Disease Association.