Key Words Flashcards
Lens
Where light is focused
Cornea and conjunctiva
Refracts the light
The cornea is prospected by the conjunctiva
Humours
Watery jelly fluid
Helps nourish the eye
Sclerotic coat
Protective outer layer
Cillirety muscles
Contracts and relax to change shape of eye to focus on far and near abject
Optic nerve
Where nerve cells exit the eye
No rods or cones here
Pupil
Where light enters the eye
Iris
Controlled the amount of light to enter the eye by dilating and constructing the pupil
Retina
At back of eye
Light sensitive cells- rods and cones
Rods
Dark conditions
See our of corner of eye
Cones
Lights conditions
View colour
Precise vision
Macula
Where the cones and rods are held in the retina
Fovea
Center in the macula
Contains cones only