... I am so sorry. I know how painful cryotherapy can be. It sounds like you may have had a rather large area frozen compared to most. While I have never had the same reaction close to my eye, I have some mild swelling with freezing. Have you tried using a cold pack? I would watch the swelling, and if it doesn't go down, I would contact my doctor's office. They should be able to give you some guidance and an idea of how long to expect to see swelling following the procedure.
I am glad you had the spot checked. It can be so hard to tell what is harmless and what is precancerous. I know it is hard to cope with the after-effects of a procedure, but it is better than the alternative. You are proactive, and that is what counts!
All my best, April, SkinCancer.net, Moderator