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.
LASIK (laser in-situ keratomileusis) makes up 90% to 95% of all laser vision correction surgery and has the broadest range of uses. LASIK is a procedure that permanently changes the shape of the cornea, the clear covering of the front of the eye. A knife called a microkeratome is used to cut a hinged flap in the cornea.