Why Is my eye lid sagging? I'm only 42 (photo)

In the vast majority of people the right side of their face is at least a little smaller than the left side. This stems from the actual skull being smaller on the right side. In some people the assymmetry is a little more than in others. In your case your right brow sags more than on the left side, and this may contribute to the excess skin on your right upper lid compared to the left.

The treatment is very simple, requiring an upper lid blepharoplasty, which is simply excising the extra skin in the right upper eyelid to match the left. This can be done under local anesthesia. Sutures are removed in five days, and you may have some bruising, but it should be gone in a week or so. This would be the simplest solution to your problem. I hope this answer has helped you, and best of luck to you.

You are looking down into the camera so it is impossible to know what you look like looking straight ahead.  That is really how we judge.  You look like you have upper eyelid ptosis and excess upper eyelid skin.  Please see a fellowship trained oculoplastic surgeon in your area.  

Thanks for your post. Believe it or not, sagging skin above the upper eyelids is an issue that commonly affects women in their forties. While an in-office exam is necessary to truly assess what is going on, you definitely have some redundant skin (dermatochalasis) affecting your upper eyelids, with the right worse than the left. Your eyebrows are also somewhat asymmetric. There are a variety of potential treatments including Botox injections and forehead and upper eyelid surgery. I would start by consulting with an experienced facial plastic or oculoplastic surgeon who regularly addresses these issues. Good luck!