Retinoscopy: Mainly used for retinoscopy measured eye fundus shadow moving through hole.
RS-6R42 Concaves and convexes: 0.25/0.50/0.75/1.00/1.25/1.50/1.75/2.00/2.50/3.00/3.50/4.00/5.00/6.00/7.00/8.00/9.00/10.00/12.00/14.00/16.00
RS-6R42 Concaves and convexes: 0.25/0.50/0.75/1.00/1.25/1.50/1.75/2.00/
2.50/3.00/3.50/4.00/5.00/6.00/7.00/8.00/
9.00/10.00/12.00/14.00/16.00
RS-4R42 +0.25/+0.50 -0.25/-0.50
RS-4R42 +0.25/+0.50 -0.25/-0.50
RS-2R42 Concaves and convexes: Concaves and Convexes 0.5/1.0/1.5/2.0/2.5/3.0/3.5/4.0/4.5/5.0/6.0/6.5/7.0/8.0/12Equipped with leather suit
RS-2R42 Concaves and convexes:
Concaves and Convexes
0.5/1.0/1.5/2.0/2.5/3.0/3.5/4.0/4.5/5.0/6.0/6.5/7.0/8.0/12
Equipped with leather suit









