YZ24B RETINOSCOPE Features: ● The filament can be 360° rotated and move upward and downward. ● Quickly and precisely measure the astigmatism axis. ● ... 자세히보기
YZ24 Streak Retinoscope Characteristics:The well positioned filament can be rotated for 360° and move upward and downward. Brightness of the streak ... 자세히보기