This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
In pterygium, which layer of cornea is involved most often 
Select and explain. 
A. Epithelium, B. Endothelium, C. Bowman's layer, D. Descemet's membrane
C: Bowman's layer
Answer: C: Bowman's layer 
Explanation: Answer- C. Bowman's layerPterygium is a growth from conjunctiva, In cornea, it involves Bowman's layer."Corneal involvement in pterygia includes infiltration of Bowman's layer, a strong layer of collagen directly beneath the corneal epithelium. Disruption of Bowman's layer leads to scarring.Pterygium is a degenerative and hyperplastic condition of conjunctiva.