The NETRA autorefractor measures sphere, cylinder, axis and pupillary distance through game-like interactions in a VR setting. The binocular, patient-driven exam takes about 2-3 minutes. NETRA is the only mobile autorefractor with built-in accommodation control and can be used as an enhanced vision screener or as an autorefractor for mobile/concierge optometrists. With 20+ scientific papers, NETRA’s accuracy is proven to be the same as other state-of-the-art autorefractors (~0.35D). No need for dilation or cycloplegia.
The package includes
- 1 Netra Body (Automated Refractor)
- 1 Calibrated Smartphone (EyeNetra apps pre-installed)
- 1 Charger and Cable
See it in Action!
Prescribe straight from the Phone’s screen
| Technology | NETRA (Pat. Issued) |
| Accommodation Control | Fogging (Pat. Pending) |
| Light Source | Smartphone Display (No Lasers) |
| Measuring Wavelengths | ~550nm and ~650nm Simultaneously |
| Sphere Range | -12 to +5.5D, 0.25D increment |
| Cylindrical Range | 0 to -7D, 0.25D increment |
| Axial Range | 0 to 180, 1 degree increment |
| Interpupillary Distance Range | 52 to 72mm, 0.5mm increment |
| Device Dimensions | 8.5cm x 20cm x 20cm (436g) |
| For ages of | 13 to 65 years old |
| External Processing Unit | Samsung S4 |
| Dilation Required | No |
| Cycloplegic Requirements | None |
| Calibration Requirements | None |
| Office Illumination Requirements | None (Optically Sealed) |
| Specialized Furniture Requirements | None (Handheld) |
| FDA Status | Product Listed as Class 1 exempt |
| Clearance in Europe | CE marked per applicable requirements of Europe’s Medical Device Directives |
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