Netra Smartphone Autorefractor by EyeNetra Inc
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The NETRA subjective binocular auto-refractor measures sphere, cylinder, axis and pupillary distance using a series of simple game-like interactions. It is completely portable and patient-driven. There is no need for chin rest and forehead support. Alignment to the center of the pupil and accommodation control are automatically handled by the unit. With a track record of more than 50,000 usages worldwide and solid body of 19 scientific papers, NETRA's accuracy is similar to state-of-the-art auto-refractors. There is no need for specialized furniture, dilation or cycloplegia.
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