英语 example sentences with "cataracts"

In the stratosphere, roughly 7 to 25 miles above Earth’s surface, the ozone layer acts like sunscreen, shielding the planet from potentially harmful ultraviolet radiation that can cause skin cancer and cataracts, suppress immune systems and also damage plants.
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Ultraviolet radiation can cause skin cancer, cataracts, suppress immune systems and damage plants.
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Are cataracts common in dogs?
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Do you have cataracts?
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Each underwent a ten-minute microsurgery barely 24 hours earlier, in temporary field hospitals where medical teams worked with assembly-line efficiency: making tiny slits in eyeballs, delicately removing cataracts, and inserting artificial lenses.
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My grandmother had cataracts surgery and now can see clearly again.
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Tom has cataracts.
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Research has shown that UV radiation increases the likelihood of certain cataracts. Although curable with modern eye surgery, cataracts diminish the eyesight of millions of Americans and cost billions of dollars in medical care each year. Other kinds of eye damage include pterygium (tissue growth that can block vision), skin cancer around the eyes, and degeneration of the macula (the part of the retina where visual perception is most acute). All of these problems can be lessened with proper eye protection. Look for sunglasses, glasses or contact lenses if you wear them, that offer 99 to 100 percent UV protection.
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Chlorofluorocarbons used as refrigerants, in aerosol sprays and as solvents are responsible for the destruction of the ozone, which filters out harmful ultra-violet radiation from the sun. Scientists attribute the rise in global skin cancers and cataracts to the loss of ozone.
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