3.5 volt; streak; c/o: external focusing sleeve; brighter halogen light; crossed linear polarizing filter; magnetic, age appropriate targets; one hand operation for streak focus and 360 degrees streak rotation; rubber brow rest; interchangeable streak retinoscope can be converted to a spot retinoscope by simply changing the lamp; mcn 6540-00-c07-6163
An instrument for investigating, diagnosing, and evaluating refractive errors of the eye by projection of a beam of light into the eye, and observation of the movement of the illuminated area of the retina surface, and of the refraction by the eye of the emergent rays.
Classification: Other ophthalmic instruments and appliances and parts and accessories
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