The Science of Vision: How Our Eyes See Color and Light
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The Science of Vision: How Our Eyes See Color and Light
- 3. *Note: the retina has many receptor cells which convert the inverted image (light energy) into neural impulses. When sent to the brain, these neural impulses are reassembled to create a perceived, upright-seeming image. Lens – focuses the incoming rays by changing its curvature (called accommodation) Iris – a colored muscle that surrounds and dilates or constricts the pupil (regulates amount of light entering) Pupil - small opening which allows light to enter. Retina – the light-sensitive surface on which the rays focus – the multilayered tissue that lines the inside of the back of the eyeball