Dear krissyk4,
I would recommend that you go to an eyeMD to make sure that you do not have any retinal tears.
Dr. Feldman
Sandy T. Feldman, M.D., M.S.
ClearView Eye and Laser Medical Center
San Diego, California
Yes, if you mean you have lattice degeneration and a flashing line you could be experiencing a retinal tear or detachment. I would get checked by an opthamlogist ASAP to check.