Uveal myxoid leiomyosarcoma in a horse.

A uveal leiomyosarcoma of a horse is reported. There are few published reports of intraocular tumors in horses. Intraocular tumors challenge animal welfare by causing uveitis, glaucoma, and loss of vision.

Compliance between clinical and genetic diagnosis of choroidal hypoplasia in 103 Norwegian Border Collie puppies.

Objective: To describe the frequency of the nonhomologous end-joining factor 1 (NHEJ1) mutation and the compliance between clinical and genetic diagnosis of choroidal hypoplasia (CH) in a group of Norwegian Border Collies.

Animals Studied: Border collie puppies in the age from 5 to 8 weeks.

Material And Methods: Puppies included in the study had a complete ophthalmological examination.