Results from eyelid surgery are long-lasting, as the excess skin is permanently removed. Upper blepharoplasty results often last 5–10 years or longer and in many cases, patients do not require repeat surgery for many years, if at all. Experiences will vary depending on skin quality, genetics, lifestyle factors, and sun exposure.
Realistically, this procedure does not make you immune to the ongoing natural ageing process, but it can make a big difference.