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 ...

Please provide your email address to receive an email when new articles are posted on . LASIK, PRK and SMILE can all provide positive long-term vision results, but advancements in corneal and ...

To measure the refractive index distribution in porcine eye lenses for two wavelengths from the visible spectrum: 532 and 633 nm, in order to determine whether there are any discernible wavelength ...

Porter Ophthalmology announced the release of a comprehensive new patient education article, Toric vs Non-Toric Lenses for Refractive Lens Exchange, offering clear, research-based information about ...

Researchers are making progress toward a “perfect lens” that will be able to resolve an organelle assembling a protein or a virus attacking a cell. From ribosomes assembling proteins to viruses ...