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 ...

November 28, 2011 — Researchers have found a strong severity-dependent association between refractive error and the prevalence of childhood strabismus, according to ...

Refractive errors are common eye issues that can cause blurry or distorted vision. Treatment usually involves wearing glasses or contact lenses or getting procedures ...

Please provide your email address to receive an email when new articles are posted on . Before the advent of wavefront-guided LASIK, the only parameters that could be ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Refractive errors include common conditions such as myopia (short sightedness) and hyperopia (long sightedness) that impede the accuracy of vision without spectacles or contact lenses. Laser surgery ...