Scar and/or Keloid (uncontrolled, bad scar) formation with any type of procedure is possible and the eye is no exception. It used to be thought that the eyelid is protected from Keloid scar formation but I saw a case recently, a case referred to me by another surgeon after they performed eyelid plastic surgery. While I am not aware of a Keloid case after lower eyelid laser treatment, if the treatment is invasive enough in a super high risk patient, it could be possible. I believe Keloid formation around the eye is extremely unlike, about the same odds of getting struck by lightening! Good news, I was able to make the scar go away with a different laser treatment, using non invasive laser treatment. Best answer, make sure you doctor is a board certified plastic surgeon or dermatologist, with a lot of experience!