Posterior segment of eyeball
Segmentum posterius bulbi oculi · Zadní segment oční koule
Sense organs
Looks like
The back two thirds of the eye behind the lens: vitreous jelly, retina, choroid and optic disc.
What it does
Where light is sensed and turned into nerve signals.
Keeping it well
A group term. Diabetes, macular degeneration and retinal detachment strike here; regular eye checks catch them early.