Blind spot
Region of the retina where an image cannot be formed. The site where the optic nerve leaves the eye.
Choroid
Layer under the sclera that contains pigment and blood vessels.
Ciliary muscle
Ring of muscle to which the suspensory ligaments are attached.
Cone
Cell that responds to bright light and colours in the eye.
Cornea
Transparent section of the sclera at the front of the eye.
Fovea
Area of the eye containing a large number of cone cells.
Iris
Coloured ring of tissue behind cornea. Controls the amount of light that enters the eye.
Lens
Structure in the eye that focuses light onto the retina.
Optic nerve
The sensory neurone that takes information from the eye to the brain.
Pupil
Hole in the iris that lets light into the eye.
Retina
Light-sensitive layer inside the eye.
Rod
Cell that reacts to dim light in the eye.
Sclera
The white outer coat of the eye.
Suspensory ligaments
Fibres that hold the lens in place.