COA OPHTHALMIC ASSISTANT UPDATED ACTUAL EXAM QUESTIONS CORRECT ANSWERS GRADED A

COA OPHTHALMIC ASSISTANT UPDATED ACTUAL EXAM QUESTIONS CORRECT
ANSWERS GRADED A PLUS
COA Ophthalmic Assistant Final Script Complete
2026/2027 Questions and Answers Verified Solutions
Latest Update

Question:
Sclera.

Answer:
white opaque fibrous shell, main purpose is to protect eye



Question:
Cornea.

Answer:
A transparent convex covering which protects the eye and helps focus light rays onto the retina and
the back of the eye



Question:
meibomian glands.

Answer:
The largest oil-secreting glands, which are embedded in the posterior connective tissue substance of
the lids



Question:
Corneal Epithelium.

Answer:
Part of the cornea that is usually injured by superficial abrasions or small foreign bodies. Is 5-7 cells
thick and is composed of nonkeratinized stratified squamous cells.

, Question:
Corneal Epithelium.

Answer:
Part of the cornea that regenerates rapidly and heals without leaving a scar.



Question:
Bowman's membrane.

Answer:
Consists of randomly oriented collagen fibrils of greater periodicity then the underlaying stroma.



Question:
Bowman's membrane.

Answer:
Acellular layer of cornea that has no regenerative capabilities. Function is unclear.



Question:
Stroma.

Answer:
Layer just under Bowman's membrane. Accounts for 90% of corneal thickness and is composed of
78% water.



Question:
Descemet's membrane.

Answer:
Layer of the cornea that is composed of type III collagen, forms the basement membrane of
epithelial cells.