Naturally occurring strabismus in monkeys (Macaca nemestrina)

L. Kiorpes, R. G. Boothe

Research output: Contribution to journalArticlepeer-review


Seven naturally strabismic monkeys (Macaca nemestrina) were identified. Five of these monkeys were examined by ophthalmologists. No ophthalmoscopically obvious cause for the squint was found in any case. Of those five animals, two were tested behaviourally on visual responsiveness and visual acuity. The acuity of both eyes of both monkeys was somewhat poorer than normal. In addition, an amblyopia of 0.8 octaves was found for one monkey and 0.6 octaves for the other. The existence of naturally strabismic monkeys supports the utility of the macaque as an animal model for studying strabismus and amblyopia.

Original languageEnglish (US)
Pages (from-to)257-263
Number of pages7
JournalInvestigative Ophthalmology and Visual Science
Issue number2
StatePublished - 1981

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems
  • Cellular and Molecular Neuroscience


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