The most reliable provocative test for angle closure glaucoma –: (A) Homatropine mydratic test, (B) Mydriatic – miotic test, (C) Water drinking test, (D) Dark room test
Answer is D. Two provocative tests have been described for prodromal stage (latent POAG) i) Prone-darkroom provocative test is the most popular and best physiological provocative test; ii) Mydriatic provocative test (not physiological).