3.5V Coaxial optics enable easy into undilated pupils easily for more accurate diagnosing, while two filters selections provide optimum light levels for entering healthy eyes and those with cataracts.
3.5V Streak Retinoscope is designed exclusively to determination of the refraction of the eye. The streak retinoscope is found by most practitioners to use easily, fast, accurate and especially valuable in determining the axis of astigmatism.