The product can quickly and precisely measure the astigmatism axis. The light can be converged, radiated and paralleled
·Special instrument for measuring refraction deflection and astigmatism axis.
·Observed images of the fundus are sharp and upward.
·The well positioned filament can be rotated 360° and move upward and downward. Brightness of the streak can be adjusted.
·Quickly and precisely measure the astigmatism axis.
·The light can be converged, radiated and paralleled.
·Automatic turning off effectively protects the bulb.
·Two-steps adjustable illumination: S(Bright)、W(Dark).