Peer-reviewed veterinary case report
Swan with cataracts had successful lens removal surgery
By Lewin, Andrew C et al.·Published in Journal of avian medicine and surgery·2023·Department of Veterinary Clinical Sciences, United States·View original on PubMed →
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Original publication title: Successful Surgical Removal of the Crystalline Lenses in a Black-Necked Swan ().
Plain-English summary
A male black-necked swan was brought in because it seemed to be losing its vision, likely due to cataracts in both eyes. The swan had trouble moving around its enclosure, and the cataracts were confirmed during the vet's examination. After some tests, the vet performed surgery to remove the cloudy lenses in both eyes. Two months later, the swan was observed to have its vision restored and showed no complications from the surgery.
People also search for: black-necked swan cataract surgery · vision loss in swans · how to treat cataracts in birds
Abstract
A captive-bred, adult, male, black-necked swan () was presented for evaluation of apparent vision loss due to cataract formation of an unknown duration. The animal was having difficulty navigating its enclosure, and lenticular opacities had been previously noted in both eyes. On examination, bilateral hypermature cataracts were diagnosed. Following preoperative diagnostic testing, surgical removal of the crystalline lenses in both eyes was performed using minor modifications of standard techniques. Follow-up examination and behavioral observation at 60 days postsurgery indicated that vision had been successfully restored without complications. We conclude that successful surgical removal of cataracts is possible in this species using modifications of standard techniques.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/37358201/