Eye doctors specify acuity in terms like "20/20," but vision scientists prefer to talk about the smallest _______ of a cycle of a grating that one can perceive.

Question

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The smallest visual angle of a cycle of a grating that one can perceive is the preferred term used by vision scientists to describe visual acuity, as it quantifies the ability to discern fine spatial details.

Eye Doctors Specify Acuity in Terms Like "20/20," but Vision