: Peripheral vision is critical for activities like driving and maintaining posture, as it helps identify structures and forms without needing a direct line of sight. Decoding Natural Signals from the Peripheral Retina - PMC
In human biology, the peripheral image is what allows us to perceive the world "off-axis". While it lacks the sharp detail (high spatial frequency) of foveal vision, it is highly sensitive to movement and provides the necessary background for detailed visual perception.
: When the peripheral image falls behind the retina (hyperopic defocus), it may signal the eye to elongate, leading to nearsightedness.
: Modern "myopia control" lenses (like MiSight ) work by manipulating the peripheral image to bring it in front of the retina (myopic defocus) to slow down axial growth.
: Clinical research suggests that the quality of the peripheral image significantly impacts how the eye grows.
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