The human eye functions like an exceptionally precise, high-end camera, one with a resolution of around 576 megapixels. What makes it intriguing is that although our eyes can focus on light at only one wavelength at a time, the result isn’t fragmented or blurry. What we see feels seamlessly sharp and rich in details. This raises the question of which color it chooses to focus on when the scene we are looking at has multiple colors. A recent study published in Science Advances presents a mechanism that guides the choice.
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New study finds eye focuses using color signals, not just sharpness
April 7, 2026
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