Across
- 3. the nerve that carries neural impulses from the eye to the brain.
- 6. the distance from the peak of one light or sound wave to the peak of the next
Down
- 1. the amount of energy in a light wave or sound wave, which influences what we perceive as brightness or loudness
- 2. the dimension of color that is determined by the wavelength of light
- 4. the light-sensitive inner surface of the eye, containing the receptor rods and cones plus layers of neurons that begin the processing of visual information.
- 5. the point at which the optic nerve leaves the eye
