I sketched my retinal detachment as it happened. The descriptions I'd read about how it looked are pretty poor - a curtain? Kind of, not really and by that time you're well
Detached retina: Symptoms, causes, surgery, and treatment
Moran CORE | Red Flag Symptoms “Flashes, Floaters, Curtains”
Most important retinal detachment: 7 causes and 3 treatment methods | Magrabi Hospitals
Sometimes I see pulses of light when I close my eyes, is this a sign of retinal detachment? - Quora