Comparing the Netra smartphone refractor to subjective refraction.
Benoit TousignantMarie-Christine GarceauNikola Bouffard-Saint-PierreMarie-Maxime BellemareJean-Marie HanssensPublished in: Clinical & experimental optometry (2019)
The Netra device - especially when used without professional assistance and compared to subjective refraction - induces significant myopic overcorrection and lower levels of visual acuity, subjective preference and visual comfort.
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