BIOLOGY EYE Flashcards
1
Q
Cornea
A
Refracts light
2
Q
Ciliary muscles
A
Changes thickness of the lens when focusing
3
Q
Retina
A
Inner light sensitive layer which contains rod cells and cone cells
4
Q
Fovea
A
Most sensitive part of the retina
5
Q
Blind spot
A
Point where the optic nerve attaches to te eye; no light sensitive cells here
6
Q
Optic nerve
A
Carries away impulses away from to the brain
7
Q
Suspensory ligament
A
Holds the lens in place
8
Q
Iris
A
Controls the intensity light entering through the pupil
9
Q
Lens
A
Can change its shape to focus light on retina
10
Q
Fovea has rods or cones
A
Has cones
11
Q
Blind spot has cones or rods or none
A
None
12
Q
Where are rods found
A
Mosly edge of the retina
13
Q
Where are cones found
A
Centre of retina, in tbe fovea
14
Q
Primary colours in cones
A
Red, blue & green
