Lower tarsal plate

Tarsus inferior

Sensory (eye & ear)Fat & fasciaHeadLeft and right

View left in 3D View right in 3D

What it is
The narrower fibrous plate of the lower lid, containing about 20 meibomian glands.
Function
Stiffens the lower lid and holds its margin against the globe.
Size
~29 mm long, 4-5 mm tall, ~1 mm thick.
Clinical note
Lower-lid tightening surgery shortens and re-anchors the tarsus to the lateral orbital rim.