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
What will be the prescription of spectacles in a patient having simple hypermetropia with the rule astigmatism? 
Select and explain. 
A. -2D at 180o, B. -0.5 at 90o, C. +1D at 90o, D. +3D at 180o
D: +3D at 180o
Answer: D: +3D at 180o 
Explanation: Patient has Hypermetropia, hence plus lens should be used.
With the rule astigmatism => Vertical meridian more curved than horizontal meridian.
Hence, +3D at 180o in used.