... Detecting ophthalmic disease, displaying the focus location, configurationOphthalmic A/B Scan Model: IScan 20AB Feature: Advanced technique, powerful functions, ... -Q, HAIGIS Curve freeze: Manual and auto recognition freeze B Scan Probe: 10MHz Magnetic driven noiseless Resolution: Lateral ≤ 0 ... ≥ 50mm Angle: 53° Gray Scale: 256 Display Mode: B/B+A/B+B A Scan Probe: 10MHz With LED Precision: ± 0.06mm ...