Journal
JOURNAL OF ZOO AND WILDLIFE MEDICINE
Volume 35, Issue 4, Pages 520-524Publisher
AMER ASSOC ZOO VETERINARIANS
DOI: 10.1638/03-010
Keywords
cataract; lowland gorilla; Gorilla gorilla gorilla; surgery; phacoemulsification; lens implantation; Nd : YAG laser; after-cataract
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Two juvenile, male, captive-born lowland gorillas (Gorilla gorilla gorilla) with the same father but different mothers developed bilateral cataracts. The cataracts were surgically removed within 6 yr and 3 mo, respectively, of diagnosis, and foldable intraocular lenses were implanted. Although vision was not restored in one eye with a mature, 6-yr-old cataract in gorilla A, surgical intervention on the other eye was performed before a complete cataract developed, and vision was fully restored. Gorilla B was treated at the age of 17 mo, and normal visual development proceeded in both eyes. This animal developed bilateral after-cataract and therefore needed a second intervention in both eyes using Nd:YAG laser treatment. The genetic component of juvenile cataracts should be considered in breeding management programs.
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