This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Retina, Subject name: Ophthalmology
Not true regarding retinal anatomy 
Select and explain. 
A. Most of the layers of retina are absent at foveala, B. The layer of retina in contact with vitreous is retinal pigment epithelium, C. Posterior pole consists of optic nerve head and macula, D. Fovea has a zone where there is no blood supply
B: The layer of retina in contact with vitreous is retinal pigment epithelium
Answer: B: The layer of retina in contact with vitreous is retinal pigment epithelium 
Explanation: Layer in contact with vitreous is internal limiting membrane Foveal Avascular Zone- * No blood vessels in this zone * Geometric centre is centre of macula & Fixation point * Impoant landmark in FA * Ora serrata > Foveola: Thinnest pa of retina * Posterior Pole: Macula + Optic nerve head * Optic disc approx: 1.75 mm (H), 1.90 mm (V) * Macula: 5.5 mm (Temporal to optic disc) * Fovea - Centralis : Central depressed pa of Macula, 1.5 mm Foveola - 0.35 mm. * Thinnest pa of retina after ora serrata. * Contains no rods, only cone are there that are covered by internal limiting membrane * The axons are arranged horizontally and are called Henles layer