Following cataract surgery night vision and all vision was much improved. But now, five months later, I've developed long horizontal light streaks in one eye. Keeping my eye focused on the light and moving my head up and down doesn't move the light streak. I spend 5 hours daily staring at a computer screen - could this be agitating the condition? It seems to be getting worse. Would eye exercises or drops aid in improving the condition? I note that other inquiries about this same condition mention YAQ as a solution - what is a YAQ operation?