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
Objective assessment of the refractive state of the eye is termed 
Select and explain. 
A. Retinoscopy, B. Gonioscopy, C. Ophthalmoscopy, D. Keratoscopy
A: Retinoscopy
Answer: A: Retinoscopy 
Explanation: Ans. Retinoscopy