Many surgeons will perform surgery on patients that are 18 years old if their prescription has been stable over the past couple of years. There are many things that have to be considered in addition to your prescription power to make sure that you are good candidate to have any laser vision...
Without knowing all circumstances its hard to know exactly what occurred with your surgery. You may have experienced a rare situation where the corneas/flaps get inflamed and require re-floating, as you mentioned. If you have any autoimmune diseases (e.g. lupus) or collagen vascular...
You may wear make up and lotion the days leading up to procedure. However, I would recommend staying away from products around the eye area the day of the procedure to avoid possible infections.
