Eyelid reshaping is a procedure often mentioned in conjunction with ptosis correction. Ptosis refers to a condition in which the upper eyelid covers the pupil more than normal due to weakness in the muscle that lifts the upper eyelid (the levator muscle). This condition can be congenital, resulting from underdeveloped muscles, or acquired, caused by the stretching of muscles or tendons that occurs with age. Symptoms may include a sleepy appearance, obstructed vision, eye strain, and the habit of raising the eyebrows to open the eyes. Corrective surgery involves shortening the levator muscle or securing it more firmly to allow the eyes to open more fully; common approaches include making an incision through the skin or inverting the eyelid to access the muscle from the inside. Since the cosmetic goal of creating a double eyelid crease may overlap with the goal of correcting muscle function, it is important to accurately identify the underlying cause. The surgical approach and outcomes vary depending on the degree of ptosis and its cause, and there is significant individual variation. This information is for educational purposes only and does not constitute a diagnosis. Please consult a specialist before undergoing any procedure.
[Source] https://my.clevelandclinic.org/health/diseases/14418-ptosis-droopy-eyelid