This Snellen chart includes red and green color bars for an easy and helpful color vision test Screens for Amblyopia Snellen optotypes date back to 1862, when Herman Snellen released his first eye test in England. These Snellen optotypes have changed little throughout the years amore...
Tonometer according to Prof. Schiotz for measuring the Intraocular pressure. All main parts are made of High Quality Brass and are chrome plated. Red needle enables easy reading of the scale. The instrument comes complete with 3 weights (5.5 gram, 7.5gram, 10 gram) and conversionmore...