Brand New Great Deal!!!! 3.5V OPHTHALMASCOPE HEAD is designed exclusively to determination of the refraction of the eye. The streak retinoscope is found by most practitioners to be easy to use, fast, accurate, and especially valuable in determining the axis of astigmatism.
About Laser Level This product is widely used in the field of construction, decoration and equipment installation. It emits a laser line and precise work projected on the object, so
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