This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy, Subject name: Ophthalmology
Which of the following is a layer between choroid and retina? 
Select and explain. 
A. Bruch's membrane, B. Descemet's membrane, C. Photoreceptors, D. Ganglion cell layer
A: Bruch's membrane
Answer: A: Bruch's membrane 
Explanation: Ans. is 'a' i.e., Bruch's membrane * Bruch's membrane is the innermost layer of the choroid. It is also called the vitreous lamina, because of its glassy microscopic appearance. It is 2-4 pm thick. It lies between choroid and the retina.