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Published on: 7/15/2026
What are the common causes of drooping eyelids?
Drooping eyelids, medically known as ptosis, occur when the upper eyelid falls lower than normal over the eye. Common causes include:
- Aging: Weakening of the levator muscle that lifts the eyelid
- Nerve problems: Conditions like Horner's syndrome or third nerve palsy
- Muscle disorders: Myasthenia gravis or muscular dystrophy
- Injury or trauma: Damage to the eyelid or surrounding structures
- Post-surgical complications: Especially after eye or eyelid procedures
Ptosis can affect one or both eyelids and may impact vision, appearance, or both. While some cases are cosmetic, others may signal an underlying neurological or muscular condition that needs prompt evaluation.
Because drooping eyelids can range from a harmless age-related change to a warning sign of a serious condition, it's important to identify the likely cause early. Taking a free, instant, online symptom check can help you understand what may be causing your symptoms and guide you on the right next steps—whether that's monitoring at home or seeking specialist care.
Reviewed for medical accuracy: 07/14/2026
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Drooping eyelids, also known as ptosis, can occur for several reasons. Aging is a common cause because the muscles that lift the eyelids can weaken over time. Nerve problems can also lead to ptosis. For example, if the nerve that controls the eyelid muscles is damaged, it may cause the eyelid to droop. Muscle disorders, such as myasthenia gravis, can make the eyelid muscles weak and unable to hold the eyelid open.
Other causes include injury or trauma to the eye area, which can damage the muscles or nerves involved in lifting the eyelid. Surgery around the eyes can sometimes affect the eyelid muscles, leading to drooping. In some cases, ptosis is present from birth due to improper development of the eyelid muscles. If you're experiencing drooping eyelids along with other symptoms, our free symptom checker can help you understand potential causes and guide your next steps for care.
(References)
Finstleger J. (2003). Ptosis: causes, presentation, and management. Aesthetic plastic surgery, 12925861.
Yadegari S. (2016). Approach to a patient with blepharoptosis. Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 27329276.
Bacharach J, Lee WW, Harrison AR, & Freddo TF. (2021). A review of acquired blepharoptosis: prevalence, diagnosis .... Eye (London, England), 33927356.
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