Copyright by Jeff Johnson

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Chapter 6. Our Peripheral Vision is Poor

The previous chapter explained that the human visual system differs from a digital camera in the way it detects and processes color. Our visual system also differs from a camera in its resolution. On a digital camera’s photo sensor, photoreceptive elements are spread uniformly in a tight matrix, so the spatial resolution is constant across the entire image frame. The human visual system is not like that.

This chapter explains why:

  • Stationary items in muted colors presented in the periphery of people’s visual field often will not be noticed.

  • Motion in the periphery is usually noticed.

Resolution of the Fovea Compared to That of the Periphery

The spatial resolution of the human visual field drops greatly from ...

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