Three elderly king penguins have been fitted with custom-made eye lenses during surgery to remove cataracts in what is believed to be a world first procedure to improve their sight, according to a Singapore zoo.
source https://www.cnn.com/2023/03/15/asia/penguin-cataract-surgery-singapore-bird-park-intl-hnk/index.html
source https://www.cnn.com/2023/03/15/asia/penguin-cataract-surgery-singapore-bird-park-intl-hnk/index.html
Elderly penguins receive 'world first' custom lenses in successful cataract surgery
![Elderly penguins receive 'world first' custom lenses in successful cataract surgery]()
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