Can ptosis of the upper eyelid be improved by double eyelid surgery?
Generally, whether ptosis (drooping of the upper eyelid) can be improved through double eyelid surgery depends on the underlying cause and severity. If in doubt, it is recommended to consult a professional ophthalmologist or plastic surgeon. Detailed analysis is as follows:

In cases of mild congenital ptosis or acquired ptosis due to skin laxity, double eyelid surgery can often provide improvement. In these situations, the function of the levator palpebrae superioris muscle is usually not completely lost. During surgery, the muscle can be shortened or excess skin removed to enhance upper eyelid support. This not only creates a natural double eyelid but also effectively improves the appearance of drooping eyelids.
For moderate to severe ptosis, or ptosis caused by nerve palsy, muscular disorders, or other pathological conditions, simple double eyelid surgery is generally insufficient for correction. In such cases, the levator muscle function is significantly impaired or lost, and specific corrective procedures—such as levator advancement or frontalis suspension—are required. Performing only double eyelid surgery may fail to resolve the ptosis and could lead to poor cosmetic outcomes or difficulty opening the eyes.
Before considering double eyelid surgery to address ptosis, it is advisable to first consult with a qualified ophthalmologist or plastic surgeon for a comprehensive eye examination and evaluation. Under professional guidance, an appropriate treatment plan can be determined to ensure both aesthetic goals are met and potential health risks are not overlooked.