Abstract
Recently Karepov and Ellenbogen [Opt. Lett. 45, 1379 (2020) [CrossRef] ] claimed that a new metasurface-based contact lens is able to correct deuteranomaly. Unfortunately, their results are not supported by psychophysical experiments, and some key assumptions in their simulations were misinterpreted. All of this has led to wrong conclusions providing false expectations to the color vision deficiency community.
© 2020 Optical Society of America
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