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Cataract surgery restores sight for 54-year-old chimpanzee in groundbreaking procedure
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Cataract surgery restores sight for 54-year-old chimpanzee in groundbreaking procedure

Pierre, a 54-year-old chimpanzee at Chimp Haven sanctuary, has regained his sight after becoming completely blind from cataracts - and here's the thing, this was the first cataract surgery ever performed at the facility. The team spent months preparing him through positive reinforcement training, teaching him to voluntarily present his eyes for care, which made the whole process possible without compromising his comfort. Within hours of the surgery performed by Dr. Kenneth Pierce, Pierre was responding visually to his longtime caregiver, and within days he was reuniting with his closest chimpanzee companion Jill. So what makes this really special is that Pierre got to return to his social group earlier than expected, showing how individualized care and preparation can transform an aging chimp's quality of life.
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