The Eye Flashcards
1
Q
Cornea
A
Front transparent part of the sclera. Focuses light rays on the retina.
2
Q
Pupil
A
Allows light to enter the eye.
3
Q
Iris
A
Controls the amount of light entering the eye.
4
Q
Ciliary Muscle
A
Controls the shape of the lens.
5
Q
Lens
A
Focuses light onto the retina.
6
Q
Retina
A
Innermost layer. Contains the light receptor cells.
7
Q
Rods
A
Vision in dim light + black & white vision
8
Q
Cones
A
Vision in bright light. Coloured vision.
9
Q
Conjunctiva
A
Thin transparent lining protecting the cornea.
10
Q
Optic Nerve
A
Sends Impulses to the brain.
11
Q
Defects + Correction
A
Long-sightedness - convex lens
Short-sightedness - concave lens
12
Q
Vitreous Humour
A
Geo that maintains the shape of the eye.
13
Q
Aqueous Humour
A
Keeps the shape of the cornea + lens, provides nutrients to both.
