A retinal detachment is an uncommon eye condition but is unfortunately a sight-threatening one. If we imagine the eye as a large room with the retina (a neurosensory layer) as wallpaper, the vitreous humour (a gel-like substance) fills this room similarly as an inflated balloon would. In your younger years, the vitreous is typically plump and voluminous, filling the eye to full capacity and is tightly adhered to the retina. Once one reaches 45+