The flashlight test and van Herick's test are poor predictors for occludable angles.
Aust N Z J Ophthalmol. 1996 Aug;24(3):251-6. doi: 10.1111/j.1442-9071.1996.tb01588.x.
Aust N Z J Ophthalmol. 1996.
PMID: 8913128
Clinical Trial.