Special Features:

Sealed optics keep lenses cleaner; crossed linear polarizing filter; 2.8x brightness of standard welch allyn retinoscope; streak quality enables easier and quicker refractions, even in patients with small pupils

Properties:

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.