The eye

• 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 or Yellow spot

  Area of the eye containing a large number of cone cells.
• Iris

  Coloured ring of tissue behind cornea.
• 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.