Eye Ducts/ Glands/ Bones

Question 1

Lacrimal Duct

Answer 1

Drainage system for tears. Tears are produced by lacrimal gland and drain through the lacrimal duct to reach the surface of the eye.

Question 2

Lacrimal Gland

Answer 2

Gland that supplies most of the tears to the eye. It is located above (superior) and temporal to the eye and behind the orbital rim.

Question 3

Nasolacrimal Duct

Answer 3

Drainage system for tears to leave the eye. It is connected to the nasal passage. Why the nose runs when one cries.

Question 4

How Many Orbital Bones Are There?

Answer 4

Seven

Question 5

What Are The Orbital Bones

Answer 5

1.) Maxilla
2.)Lacrimal
3.) Frontal
4.) Palatine
5.) Zygomatic
6.) Sphenoid
7.) Ethmoid

Question 6

Meibomian Gland

Answer 6

Oil glands along the rims of the eyelid that produce an oily substance which prevents evaporation of the eye’s tear film. Also prevents tears from spilling onto the cheeks.

Question 7

What are the three layers of tear film?

Answer 7

1.) Mucin- Sticks tears to cornea.
2.) Aqueous- Hydrates and nourishes cornea.
3.) Lipid- reduces tear from evaporation.