object is focused on the retina. Visual acuity (VA) is the most common clinical measurement of visual function. If the visual acuity is corrected through the use of glasses or other vision aids, the new value [...] the eye to read solely dependent on visual acuity? No. In order to be able to read we require a functioning retinal surface of around 2.5 degrees to the left and right of the fixation point, i.e. a visual

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