The surgery was especially tricky due to penguins' unique characteristics, including a third eyelid that protects their eyes underwater
In a statement Tuesday, vets with the Mandai Wildlife Group said the birds were among six elderly penguins to undergo cataract surgery two months ago and have since made a full recovery. They include three king penguins age 20 and older, and three Humboldt penguins, ages 7 to 13, which live in Singapore’s Jurong Bird Park. Cataracts, which causes cloudy areas in the eye that hinder sight, is a common age-related condition in both people and animals.
Photos taken behind the scenes showed the delicate procedure, which Boo said was especially tricky for penguins due to their unique characteristics, such as a third eyelid that protects their eyes underwater but which tends to close under surgery. Post-surgery, all six penguins had to remain out of the water and zookeepers administered eye drops twice daily. King penguins are the second-largest species of penguin and are found in the Southern Ocean and sub-Antarctic.
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