Upper eyelids droop due to factors such as aging, genetics, and health. UPNEEQ® works by triggering muscles that contract to raise the eyelid. This has the effect of lifting the upper eyelids about 1 mm. This is less than you would achieve with surgical correction but requires no scarring, recovery time, or discomfort. UPNEEQ® can also improve your vision by lifting drooping eyelids that could have blocked your view.