the eye Flashcards
1
Q
path of light entering
A
cornea
pupil
lens
retina
optic nerve carries signals to brain
2
Q
pupil
A
dilates to allow more light (visual timuli)
3
Q
lens
A
flexible window
- ciliary muscles contract to change the shape of the lens so that the light will refract and focus onto retina
4
Q
retina
A
photoreceptors: rods and cones
5
Q
iris
A
colored portion
adjusts size of the pupil
