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
The most common condition of inherited blindness due to mitochondrial chromosomal anomaly is: 
Select and explain. 
A. Retinopathy of prematurity, B. Retinitis pigmentosa, C. Retinal detachment, D. Leber's Hereditary Optic neuropathy
D: Leber's Hereditary Optic neuropathy
Answer: D: Leber's Hereditary Optic neuropathy 
Explanation: Leber's Hereditary Optic neuropathy is a mitochondrially inherited condition due to one of three types of mitochondrial mutation. It causes acute or sub acute degeneration of retinal ganglion cells and their axons resulting in loss of central vision. Ref: A.K KHURANA (2005), Chapter 12, "Vision and Neuro-Opthalmology", In the book, "Opthalmology", 3rd Edition, Newdelhi, Page 281