This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Glaucoma, Subject name: Ophthalmology
Not true of the following regarding the optic nerve head? 
Select and explain. 
A. Average dimensions of 1.76mm horizontally by 1.92mm veically, B. Develops From The Optic Stalk, C. TM outflow is 90-95%, Uveoscleral 10 %, D. Neuro retinal rim is thickest superiorly
D: Neuro retinal rim is thickest superiorly
Answer: D: Neuro retinal rim is thickest superiorly 
Explanation: Optic nerve head has the following features: 1-1.2 Million Neurons. Average dimensions of 1.76mm horizontally by 1.92mm veically. Develops From The Optic Stalk. TM outflow is 90-95%, Uveoscleral 10 %. Aqueous Outflow 2.7 Microlitre/minute. Neuro Retinal Rim is thickest at Inferior rim. High concentration of pyruvate, lactate & ascorbate & low concentration of protein, urea, & glucose in aqueous humor.