Color Monitor 5.7
3 sets of measured data viewable on screen with average power, also printable
Cross check of accuracy of measurement possible.
Diopter steps, vertex distance, cylinder mode, Automatic power off, print mode, date, time, selectable & changeable & optionally remeasurable.
Minimum 2.2 mm minimum pupil diameter measurable.
Owners message, address printable on printout.
Very, very, very sturdy model