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Rechargeable Retinoscope YZ-24B

Features : ••The filament can be 360°rotated and upward and downward moved. ••Quickly and precisely measure the astigmatism axis. • The light can be converged, radiated and paralleled. ••Continuously adjustable brightness. ••Convenient quick recharging. • Anti-recharging and anti-discharging function protects the battery. ••Can also be connected with the head of ophthalmoscope.