This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy, Development and clinical examination, Subject name: Ophthalmology
Gonioscopy is used for 
Select and explain. 
A. Anterior chamber angle, B. Posterior chamber angle, C. Anterior surface of lens, D. Posterior chamber
A: Anterior chamber angle
Answer: A: Anterior chamber angle 
Explanation: Gonioscopy describes the use of a goniolens in conjunction with a slit lamp or operating microscope to gain a view of the iridocorneal angle, or the anatomical angle formed between the eye&;s cornea and iris. Reference: AK Khurana 7th Edition