The retina is a thin layer of tissue that lines the very back of the inside of the eyeball. The retina contains millions of cells that perceive light, color, and fine details in the things you see. A ...

Most people should have a regular eye exam every couple of years. If you're older than 65 or have certain conditions, you may need more frequent checks. (Photo Credit: iStock/Getty Images.) Many ...

During the day, cars come and go through the Heine Brothers drive thru. "I mean it seems peaceful during the day," Stephen Chadwick, who lives in the Highlands, said. "But at night, you better be ...

OPTICLAR’s Streak Retinoscope with Adapt USB Rechargeable Handle comes with single adjustment wheel for easy control of slit rotation and convergence/divergence ...

The spot-light retinoscope projects a circular light beam. The slit-light retinoscope with a light beam in the form of a line, simplifies recognition and the determination of astigmatic refractive ...

and culture Weekly update on developments in India and its neighbors A curated selection of our very best long reads Jorge Heine is a research professor at Boston University’s Pardee School of ...