“…Most zoological immobilizations utilize various combinations of benzodiazepines, ketamine, alpha-2 agonists, and tiletamine-zolazepam. [1][2][3][4] There are reports of non-human primate phacoemulsification procedures including gorilla (Gorilla gorilla), chimpanzee (Pan troglodytes), orangutan (Pongo pygmaeus), Howler monkey (Alouatta caraya), pygmy marmoset (Callithrix pygmaea), and a chacma baboon (Papio ursinus). [5][6][7][8] In non-human primates cataracts occur spontaneously and may be associated with ultraviolet radiation, viral infections, metabolic disorders, abnormal cortisol levels, or hereditary.…”