Special Features:

Refractor, illuminated, rt-700; sphere power range: +16.75 to -19.00 diopters; step: 0.25 diopters; cylinder power range: 0.00 to +/- 6.00 diopters, 0.00 to +/- 8.00 diopters with additional lens of +/- diopters; cylinder axis: 0 to 180 deg, 5 degrees steps; open aperture (two positions); retinoscopic lens, +1.50d; polarizing lens 45 degrees left eye, 135 degrees right eye; white maddox rod, vertical; red maddox rod, vertical; white maddox rod, horizontal, red maddox rod, horizontal; pd adjust 48-75 mm, 1 mm steps; convergence adjustment: infinity to 400 mm; forhead rest adjustment: 16 mm; vertex distance: 13.75 mm from apex of cornea; minus cylinder model

Properties: