The Eye - Part 1 Flashcards
What is the Cornea?
It is Convex & Transaprent which allow Light through and Protects the Eye
Where is the Cornea?
What is the Sclera?
Tough and Fibrous layer which Keeps the Shape of the Eye Ball
Where is the Sclera?
What is the Iris?
Muscles contract and relax to alter the size of the Pupil
Where is the Iris?
What is the Pupil?
A Blackhoel in the centre of the Iris and Light goes through.
Where is the Pupil?
What is the Lens
Transparent which focuses the light on the back of the retina
Where is the Lens?
What is the Ciliary Muscule?
Muscle fibres around lens which changes the size and shape on lense
Where is the Ciliary Muscule?
What is the Suspensory Ligment?
Holds lense into Place
Where is the Suspensory Ligment?
What is the Retina?
Made up of Rods and Cones
Rods - Sensitive to Dim Light
Cones - Sensitive to Colour
Where images are formed an transfer electrical impulses to the optic nerve
Where is the Retina?
What is the Optic Nerve?
A Sensory Neurone which sends message to the Brain
Where is the Optic Nerve?
