Riester Ri-Scope Retinoscope Head 3.5 V Version:Slit XL 3.5 V It is a reliable and

It is a reliable and durable tool that provides a bright

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Center back length:29

Probe covers* (*only if pred

Riester Ri-Scope Retinoscope Head 3.5 V Version:Slit XL 3.5 V It is a reliable andRiester Ri Scope Retinoscope Head XL 3. 5 V The ri scope retinoscope (skiascope) measures the refractive power of the eye. Refractive flaws, such as near and far sightedness, as well as astigmatism can be detected and diagnosed. With XL 3. 5 V xenon lamp or HL 2. 5 V halogen lamp. Two models are available: The spot light retinoscope projects a circular light beam. The slit light retinoscope with a light beam in the form of a line, simplifies detection