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Time: 2024-03-29T00:31:12Z
URL: http://scholar.google.com/scholar_lookup?title=The+prevalence+of+refractive+errors+among+adults+in+the+United+States%2C+Western+Europe%2C+and+Australia.&year=2004&author=Kempen&journal=Arch+Ophthalmol.&volume=122&issue=4&pages=495-505&doi=10.1001%2Farchopht.122.4.495&pmid=15078666