Cornea and sclera Flashcards
1
Q
cornea radius of curvature
A
- 8mm
2
Q
sclera radius
A
- 12mm
3
Q
globe anteroposterior diameter
A
- 24mm
4
Q
globe vertical diameter
A
- 23mm
5
Q
globe horizontal diameter
A
- 23.5mm
6
Q
cornea histological features
A
- transparent
- avascular
- covered in tear film
- posterior surface borders anterior chamber
- at periphery is continuous with conjunctiva and sclera
7
Q
cornea layers
A
- epithelium
- Bowmans layer
- stroma
- Descemets membrane
- endothelium
8
Q
outermost layer of stratified corneal epithelium thickness
A
- five to seven layers thick
- 50um
9
Q
thickest part of corneal epithelium
A
periphery
10
Q
surface layer corneal epithelium features
A
- two cells thick
- smooth anterior surface
