Contact lenses for tigers

A German company is making contact lenses for animals, including lions, giraffes, tigers and bears, with cataracts.

S & V Technologies created the acrylic intraocular lenses which are custom made to fit each animal. The firm's happy clients include a sea lion with blurred vision at Sea World in San Diego, a formerly blind kangaroo at an Australian nature park and a partially sighted lioness at a Romanian zoo.

"Cataracts generally mean blindness for animals, unlike for humans,"said the head of the company's veterinary division. "And because animals have short lifespans, it means losing quality of life in a greater share of that life."

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