I am wondering if the under eye swelling and sinus pressure are related and indeed if it could be something other than infection and if I CT scan will be of help to solving the issue of either or both. It sounds like your symptoms have been quite bothersome for some time and you should discuss them with your physician.
Cordovan is an equine leather made from the fibrous flat muscle (or shell) beneath the hide on the rump of the horse. The leather derives its name from the city of Cordoba, Spain, where it was originally prepared by the Moors.
FULL GRAIN LEATHER. Full grain leather is the best quality leather available; it is the first layer of leather once the hair of the animal has been removed. It can only be referred to as full grain if there are few blemishes in the leather. Advantages of full grain leather include: a smooth surface which is easy to clean