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
Distance between nodal point and cornea in Listing's Reduced eye is- 
Select and explain. 
A. 7.2mm, B. 9mm, C. 12mm, D. 15.3mm
A: 7.2mm
Answer: A: 7.2mm 
Explanation: Ans. is 'a' i.e., 7.2 mm PointDistance in Listing's Reduced EyeNodal Point7.2mm behind the anterior corneal surfaceAnterior Focal Point15.7 mm anterior to anterior corneal surfacePosterior Focal point24.13mm behind anterior corneal surfaceAnterior focal length17.2mmPosterior Focal length22.63mmUniform Refractive Index1.336