It occurs more often in multiple pregnancies than in singleton pregnancies. It also tends to occur earlier and is more severe in multiple pregnancies. Preeclampsia can damage many organs in your body, most commonly your kidneys, liver, brain, and eyes. Preeclampsia that worsens and causes seizures is called eclampsia.
Background Laser peripheral iridotomy (LPI) is the preferred procedure for treating angle-closure glaucoma caused by relative or absolute pupillary block. LPI eliminates pupillary block by allowing the aqueous to pass directly from the posterior chamber into the anterior chamber, bypassing the pupil.
Why It Is Done. Laser iridotomy is mainly used to: 1  Treat closed-angle glaucoma after the pressure in the affected eye has been reduced with medicine or when medicines fail. 2  Prevent closed-angle glaucoma in people who have narrow drainage angles and those people who have had closed-angle glaucoma in their other eye.aser Iridotomy for Glaucoma. Guide. Laser iridotomy uses a very focused beam of light to create a hole on the outer edge, or rim, of the iris, the colored part of the eye.