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What is normal, and how long it takes to achieve this varies for everyone. If you feel like your lenses are not as comfortable as you hoped or not improving as fast as you expected, the best way to find out why and what you can do about it is to talk to your eye doctor. 

A proper fitting contact lens will move just slightly with each blink, but should stay in place as you move your eyes around. Even on that rare occasion when a contact lens moves off the center of the eye, it usually stays on the eye and can simply be moved back to center.

Many things can adversely affect your vision. It could be dryness, poor-fitting lenses, or an out-of-date prescription. It could also be a sign of a more serious problem not related to your contacts. You should always talk to your eye doctor about any issues you are having with your vision or your contact lenses.

To determine if a contact lens is inside out, check the shape of the lens. First, wash your hands with a mild soap and dry them with a lint-free towel to avoid dirt or oil transferring onto the lens.

Then, when you hold the lens on one finger with the open side facing outward, it should resemble the shape of a bowl. If the top edges are flared out slightly and the lens looks more like a saucer, the contact is inside out.

Some lenses also have numbers imprinted in the lens; if the numbers are readable when viewed from the outside of the lens, your lens is turned the right way.