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 ...