You can also check out my other posts about eyes and retinas.
After going through five cataract surgeries with four senior parents and listening to people fret about floaters in their eyes, I thought I knew a lot about middle age and senior eye problems. But now I know that floaters can lead to flashes which can lead to retinal tears. More importantly a retinal tear may lead to a detached retina. A detached retina means that “… the light-sensitive tissue in the back of the eye has separated from its supporting layers.” (Medline Plus)
In retrospect, I did not know enough about retinal disorders to be of any help to members of my family or even to myself. I’m betting that other adult children are a lot like me. I knew I had a few floaters in my eyes, and I was aware that my eye doctor regularly asked me if I experienced flashes. So a light went on — albeit a dim one — after a few days of regular flashes (in my case sort of like lightning bolts) in my right eye.