This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Anatomy
Keratometer is used to assess. 
Select and explain. 
A. Curvature of cornea, B. Diameter of cornea, C. Thickness of cornea, D. Curvature of lens
A: Curvature of cornea
Answer: A: Curvature of cornea 
Explanation: It is an objective method. Keratometer is used for: Estimate corneal astigmatism Measure the curvature of the cornea Calculate the power of intraocular lens (IOL) Image: Keratometer