You should see an oculoplastic surgeon to evaluate the lid. If it is drooping, you may have a ptosis which can be fixed surgically. If it swollen, there may be something else going on which is causing the drooping.
New onset ptosis should be assessed by an oculoplastic surgeon.
Please share your concern with your parents. The American society for ophthalmic plastic and reconstructive surgery maintains a regional directory that can help you find a highly qualified oculoplastic surgeon to assess what is going on.
Evaluation of eyelid ptosis
You should see an ophthalmologist or oculoplastic specialist for evaluation and determining the cause. The solution is usually eyelid ptosis surgery.
Drooping eyelid in 17 year old in Houston. What can be done?
Unfortunately, there are many causes of eyelid swelling and drooping. To figure out what is going on would require an appt. I would suggest checking with Dr. Soparkar or Patrinely, who are in Houston. Best regards.