... : Detecting ophthalmic disease, displaying the focus location, configurationOphthalmic A/B Scan Model: IScan 20AB Feature: Advanced technique, powerful functions, ... : ≥ 50mm Angle: 53° Gray Scale: 256 Display Mode: B/B+A/B+B A Scan Probe: 10MHz With LED Precision: ± 0.06mm Depth ... BINKHORST, HOLLADAY, HOFFER-Q, HAIGIS Measurement: AL, ACD, L, V and the average Curve Freeze: Auto freeze and manual freeze ...