MSLMD23 portable ophthalmic ultrasonic is intended for ophthalmological ultrasonic diagnosis and AL biometric measurement and This product consists of a main unit, application software, a 10MHz A-Scan probe, a 10MHz B-Scan probe, a 20MHz B-Scan probe, a footswitch, a mouse, a keyboard and a power adaptor. The applied parts are 10MHz A-Scan probe, 10MHz B-Scan probe and 20MHz B-Scan probe.