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).
● Working Distance: 1m
● Adjustable Range of Streak: 0.2mm~0.4mm
● Streak Rotation: 360°
● Illumination Source: 3V/2.1W,Incandescent Bulb
● Power Supply: AC 110~120(V)/220~240(V), 50/60Hz
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