Full digital technology, clearer image quality. 10" CRT monitor, progressive scanning without sparkle. Back-lit silica gel keyboard, photoelectric trackball and encoder, easy to operate. Menu operation , Language: Chinese/English. Display mode:B,B/B,4B, B/A, A single-point measurement(under A mode), five-point measurement(under A mode). Report function: print screen, IOL report, case report with ...