A refraction test is usually given as part of a routine eye examination. It may also be called a vision test. This test tells your eye doctor exactly what prescription you need in your glasses or ...

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

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 ...

Please provide your email address to receive an email when new articles are posted on . As a resident more than 2 decades ago, I was taught by my attendings that the best refractive target for most ...

When you choose LASIK surgery at the John A. Moran Eye Center, you have the confidence that your eyes are being cared for by world-renowned surgeons using state-of-the-art technology. As part of our ...

Please provide your email address to receive an email when new articles are posted on . Refractive surgery planning needs a paradigm shift to a more prospective approach. Simulation software designed ...

Based on: The Determination of the Refraction of the Eye with the Ophthalmoscope. By Edward G. Loring, M. D. New York: Wm. Wood & Co. 1876.

Recent experiments that demonstrate the negative refraction of light could bring a heated scientific debate to a close, and give negative-index materials a positive future Figure 1: Negative-index ...