بحث

• LCD 19” contrast calibrated system for a precise sensitivity measurement• Wide Range of Examination: 0.03 – 1.6• Adjustable distance: up to 8 m or 26 ?• Two preselected background luminance levels: dark room or normal room• Visual units: 12 visual acuity scale (decimal, log, Log Mar, 20 ?, 10 ?, 6 m, 3 m …)• Just 3 remote control key to run all t..