What causes ptosis ? is there anything than surgery to treat it ?

Muscle dysfunction: Eyelid ptosis is a droop of the upper lid due to muscle weakness or malposition. Surgery is the only permanent corrective. There is a temporary appliance hooked onto glasses called a ptosis crutch which can lift the lid but this is uncomfortable and not a long term solution. No exercises will help.

Muscle or stretching: The two main things that may cause drooping of the lids are either the stretching of the connection of your levator muscle that lifts your eyelid or a problem with the muscle itself. There are no exercises that make it better. Also a very low brow or too much skin on your upper lids may look like ptosis. Surgery is the only way to improve it.