Vision Crossword

Protects the eye and bends light to provide focus.
Small adjustable opening in the center of the eye.
Colored muscle that dilates or constricts in response to light energy.
Focuses incoming light rays into an image on the retina.
Detects black, white, and gray.
Retinal receptor cells that are concentrated near the center of the retina and function in well-lit places.
Carries neural impulses from the eye to the brain.
Number of complete wavelengths that can pass a point in a given time depending on the wavelength.
Determines the perceived color of light.
The amount of energy in a light in which we perceive as brightness, determined by the wave's amplitude.
Left and right optic nerves intersect.
Optic nerve leaves the eye, there are no receptor cells.