There are many factors involved in contacts fitting. Before fitting contacts, there are a series of check. For example, your eye situation, whether your tear secretions are well and whether you have ocular fundus diseases. If the above mentioned factors are well, the doctor will check your eyes prescription, including the exact diopter and corneal radius. When you finish all these exams, you can have a fitting except you have the following eye disease: dacryocystitis, serious trachoma, spring catarrh conjunctivitis, keratitis, blepharitis, glaucoma and diabetes mellitus. I guess all above mentioned are not the problems for you, but you still should pay attention to the time you fit the contacts. Generally, when you fit them the first say, it would be about 2 hours, 4 hours for the second day, and 6 hours for the third day. And you doctor will tell you many specifications when you fit the contacts. Hope it will help you !