Gonioscopy is used to study:: (A) Anterior chamber, (B) Posterior chamber, (C) Angel of anterior chamber, (D) Retina
Answer is C. Ans: C (Angel of anterior chamber) Ref: Kanski. Cliniccd Ophthalmology 6th edition: PS- 11Explanation:GONIOSCOPY - To study the angle of the anterior chamber:Structures: From anterior to posteriorS - Schwalbe lineT - trabecular mesh workS - sclera spurC - ciliary bodyUses:Diagnostic - Abnormal angle structure , estimation of the width of the chamber angle.Surgical gonioscopy - While doing goniotomy, laser trabeculoplasty.Types of Lenses:Direct - Gonioprism - Direct view of the angle - KOEPPE LENS.Indirect - Goniomirror - Image of the opposite angle - GGLDMANN, ZEISS, POSNER and SUSSMAN.