CORNEA • OUTERMOST TRANSPARENT LAYER OF THE EYE
• Consists of CONJUNCTIVA and SCLERA
• FISH CORNEA IS THINNER than that of terrestrial vertebrates
• The optical properties of the water and the liquid inside the eye are similar =
LITTLE REFRACTION
IRIS • CONTROLS THE AMOUNT OF LIGHT ENTERING THE EYE by adjusting the diameter
of the PUPIL
• ELASMOBRANCHS are able to ADJUST THE IRIS and change the shape of the pupil