YZ24B RETINOSCOPE Features: ● The filament can be 360° rotated and move upward and downward. ● Quickly and precisely measure the astigmatism axis. ● The light can be converged, radiated and paralleled. ● ... Leggi di più
YZ24 Streak Retinoscope Characteristics:The well positioned filament can be rotated for 360° and move upward and downward. Brightness of the streak can be adjusted. Quickly and precisely measure the astigmatism ... Leggi di più
