This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cornea and sclera, Subject name: Ophthalmology
Reis-Buckler dystrophy affects which layer of cornea- 
Select and explain. 
A. Epithelium, B. Stroma, C. Bowman's membrane, D. Endothelium
C: Bowman's membrane
Answer: C: Bowman's membrane 
Explanation: Reis-Buckler dystrophy also known as ring-shaped dystrophy (due to the typical lesion) primarily involving the Bowman's layer is a progressive corneal dystrophy occurring in childhood. It has got autosomal dominant inheritance. Most patients get frequent attacks of recurrent corneal erosions that usually result in diffuse anterior scarring.Reference:Comprehensive ophthalmology,AK Khurana,4th edition,page no.117