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