Hi. Has anyone had this? I'm 28 weeks pregnant and this has already happened 3 times in my pregnancy. It's like my field of vision is "broken" in the corner of one eye, with flashing lights / sparkles that look almost like broken glass. It usually lasts about 20 minutes and I always lie down and have a glass of water, and generally it passes, but every time it freaks me out. I forgot to mention it to my midwife at my last appointment but I've read that it could be a sign of pre-eclampsia?? Weird because every time they check my blood pressure, it's absolutely fine, and the urine samples have been OK too. I don't have any swelling or severe headaches. What could it be? Thanks