Refractometer Reading - Search Videos

$auto refractometer and NCT machine || eye examination machine #refractometer #eyes #shorts #vlog$

auto refractometer and NCT machine || eye examination machine #refractometer #eyes #shorts #vlog What is an auto refractometer used for? An auto refractometer is used in eye exams to objectively measure a person's refractive error to provide a starting prescription for glasses or contact lenses. It's particularly useful for children and people ...

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How to Use a Refractometer

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