Droopy Eyelid is a naturally occurring situation in some people. It creates a characteristic SLEEPY EYE look. And sometimes droopy eyelid can then become beyond just the cosmetic aspect and can also cause some difficulties with vision.
Aging, Congenital droopy eyes, Nerve disorder, eye muscle dysfunction, adult onset eyelid drooping, eye injury & Dermatochalasis (connective tissue disease where the skin on the lower and the upper eyelid loses elasticity of the skin and so it hangs down in folds and it starts giving the impression of droopy eyes).
Medical Treatment: Upneeq Drops and or surgery
If it is sudden onset droopy lids, Go to an ER or seek medical guidance ASAP.