2. anatomy
• It is the senstive and inner most layer of the
eye
• Derived from neural ectoderm
• Extend from optic disc centrally to ora serrata
peripherally……..
6. Blood supply
Outer 5 layers are AVASCULAR…..
Arterial
central retinal artery
• branch from ophthalmic artery
• emerge from optic disc and immediately
divide into 4 branches……?
→FAZ….???
7. Venous
central retinal vein ….drain into cavernous sinus
Veins accompany the arteries and may
cross each other……..
16. How to test the center of the retina =
macula = macular function tests
• Form sense: VA
• Colour sense:
Clear media: ishihara colour book
Opaque media:
Ophthalmoscope
coloured filters + light source