Outer Fibrous coat (SCLERA AND CORNEA)
Middle Vascular coat (UVEA)
Inner Nervous Coat (RETINA)
sclera
Cornea
The white part of Eye
1 millimeter thick
Thinnest (0.3 mm) at insertion of extraocular muscles
Anterior
TENON
CONJUNCTIVA
Posterior
UVEA
RETINA
Conjunctival vessels (blanches with 2.5 % phenylephrine)
superficial episcleral vessels (blanches with 10 % phenylephrine)
Deep plexus over sclera (Does not blanch with phenylephrine)