Klapper R M
Ophthalmology. 1984 Sep;91(9):1017-21. doi: 10.1016/s0161-6420(84)34183-5.
Twenty phakic eyes of 19 patients underwent Q-switched neodymium:YAG laser iridotomies for angle-closure glaucoma. Eleven eyes were previous argon laser failures. Penetration was achieved in each case with several shots in one session. Complications were minor and transient.