Outer Eye Diagram. The advantage of using ui instead of actual time on the horizontal axis is that it is. Light micrograph of a vertical section through the o pl.
Epithelial cells are constantly being produced and sloughed off in the tear layer of the surface of the eye. Parts of the eye outside the eyeball the eye sits in a protective bony socket called the orbit. To understand the eye and its functions its important to understand how the eye works see below diagrams for both the external eye and the internal eye.
Each eye has 4 puncta plural for punctum to make use of.
This outer layer of the cornea is five to seven cells thick and measures about 50 microns making it slightly less than 10 percent of the thickness of the entire cornea. The macula is the small sensitive area of the retina that gives central vision. Diagram of human eye with labelling. Eye anatomy complete physiology of eye is described below in the given paragraph.