1. Laser iridotomy can relax the pupil occlusion power.

2. In a Peripheral Iridotomy, Argon Laser or YAG Laser (or both) are used to open a hole on the iris.

3. Objective To investigate the efficacy and safety of laser peripheral iridoplasty combined with iridotomy for acute angle-closure glaucoma.

4. For many years laser peripheral iridoplasty is a simple and an effective means of opening closed angle when laser iridotomy can not be performed or dose not physically eliminate angle closure.

5. Objective:To avoid damaging the deep tissue of eye around the laser hole on laser filtering surgery with iridotomy .

6. To evaluate the therapeutic effect of pulsed dye laser iridotomy, 66 eyes of 49 cases were treated by pulsed dye laser iridotomy.