quiz on eye Flashcards
Pupil?
small adjustable opening that light enters through
iris?
a colored muscle that dilates or constricts in response to light intensity and even to inner emotions
lens?
focuses incoming light ray son the retina
Retina?
multilayered tissue on the eyeball’s sensitive inner surface
Rods?
receptors in the retina that detect back, white, and gray
what are Rods necessary for?
peripheral and twilight vision
Cones?
receptors in the retina that detect fine detail and give rise to color sensations.
Optic Nerve?
nerve that carries neural impulses from the eye to the brain
Blind Spot?
where the optic nerves lead the eye and there is no receptors cells
Fovea?
the retina’s area of central focus
Where do Cons work best?
function in daylight or well-lit conditions
some adjustable opening that light enters
Pupil?
a colored muscle that dilates or constricts in response to light intensity and even to inner emotions
iris?
focuses incoming light ray son the retina
lens?
multilayered tissue on the eyeball’s sensitive inner surface
Retina?
