What is Ptosis?
Ptosis, or ‘blepharaptosis’, describes a drooping of one or both upper eyelids and can be asymmetrical.
By far the most common cause of ptosis is a loosening of the tendon of the muscle (the ‘levator’) that lifts the eyelid. This is typically more common with age, but can occur following trauma. Other less common causes include neurological disease, due to impairment of the nerve which controls the levator muscle and myopathy, in which there is an inherent disease of the muscle.