The streak retinoscope is easy to use, fast, accurate and especially valuable in determining the axis of astigmatism. Distance from the device to which the real image a of the lamp filament is ...

Modular – allowing users to begin with battery handles but have the option to upgrade to a rechargeable format Robust metal sleeve housing batteries Knurled surface for maximum grip Rotary ...

Series of KJ6 Streak Retinoscope are used for diagnosing refractive error and irregular astigmatism. They are very easy to be operated and carried, and are nice ...

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 ...

KJ6B Rechargeable Streak Retinoscope is the first model which can be recharged with internal Li-ion battery in China, and last 2 hours after fully recharged. Parameters: Working distance：1m ...

I will often take a retinoscope, and I will shine the light beam into your retina and by seeing the reflection of that eye come back at me, I can dial in lenses and find a pretty good prescription ...

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

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 ...

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 ...