To compare focometer and autorefractor in the measurement of refractive errors among students in an underserved community of sub-Saharan Africa. A total of 230 students were studied. Mean age of the ...

About half of US adults age 20 and older have refractive errors, or eye problems that result in less than 20/20 vision, according to a report in the August issue of Archives of Ophthalmology, one of ...

Possible causes that can result in blurry vision in one eye can include refractive errors, infections, migraine, and cataracts. Most causes of blurry vision are not serious. However, it is important ...

Astigmatism (uh-STIG-muh-tiz-um) is a type of refractive error where one or more of the eye’s surfaces are not smooth and/or ...

More than 150 million Americans have poor vision because of a refractive error. Refractive errors make your vision blurry or hazy, making reading difficult, and can ...

Please provide your email address to receive an email when new articles are posted on . Yu is a researcher in the department of biostatistics at Fudan University School of Public Health and the ...