Your photos suggest asymmetric pre-tarsal orbicular oculi muscles, not fat pad pseudoherniation. An in-person examination is necessary to accurately determine the cause and thus the correct surgical technique to address the asymmetry.
On the picture that you have submitted, I don't see scleral show, but some lateral bowing of your lower lid margin. A lateral canthopexy could correct your issue. It is a permanent procedure. This means that the result should last many years.
Are you sure you didn't get Botox injections? Tretinoin doesn't cause arching of the eyebrows. If is is Botox related it is easily corrected by injecting Botox in the forehead to drop the arched brow.