Examlex
Students with visual impairments often have other disabilities.
Lens
An optical device made of transparent material that affects the focusing of light rays to form images.
Rods
Light-sensing nerve cells in the eye, at the posterior of the retina, that function in dim light but do not provide sharp images or detect color.
Cones
Light-sensing nerve cells in the eye, at the posterior of the retina, that are sensitive to color, provide sharp images, and function only in bright light.
Retinas
The light-sensitive layer of tissue at the back of the inner eye, essential for converting light into neural signals for vision.
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