Netra Self-Test Refraction Tool

Netra Self-Test Refraction Tool


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For mobile eye diagnostics or vision screenings, the handheld NETRA auto-refractor measures sphere, cylinder, axis and pupillary distance through a series of game-like interactions in a virtual-reality environment.

NETRA’s interactive nature puts control back in the hands of the patient. A provider using EyeNetra mobile tools empowers his or her patients to take a more active role in their eye care; fostering trust in the patient-provider relationship and vastly improving the customer experience.

Accuracy of 0.35D

NETRA is as accurate as top-tier auto refractors that can cost $45,000. It took 340 product iterations and 35,000 product tests to ensure this level of precision and control accommodation.


NETRA lets you take the reins no matter where you are, from a hospital in the urban jungle to a tent in the Amazon. It comes with an extended battery for 2 days of tests without charging.


The smartphone becomes a gateway for information between eye care providers and customers. On the Insight portal, patients and eye care providers navigate health information and converge to the best prescription.

Zero maintenance

Netra can drop from a maximum height of 1 meter without breaking or losing accuracy. Calibration happens automatically at every measurement. After two years selling the product, we have yet to see a broken NETR