Rotating Eye Testing Drum NET Rotating Vision Testing Drum suitable to observe ophthalmic related problems. Drum is very strong, Sturdy and durable with metal body and plastic brackets. It is internally printed according to snellen chart Available in all Indian Language for 3 meter with the following Tests Duochrome Test Friend Test Spot Light Test Worths Four Dots Test Weight-4Kg, Size:8"x10"x27" Remote Control Electrically operated from 6 meters distance with automatic switch
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