Vision Care – Peripheral Vision
by SonjaHelga on Monday, August 20th, 2007 | Comments Off
We have surprisingly low visual acuity (resolution) in parts of the visual field that are not at the center of gaze — where we are looking. We are not aware of this because we instinctively direct our center of gaze to where we are looking.
The center of gaze, called the fovea, has a higher density of cones than anywhere else on the retina. In fact, at the fovea, there are no rods at all. (In the diagram at right, the cones are shown in green.)
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