One contacts looks cloudy and the other one is clear.?

On Saturday i went to the doctor to buy glasses but decided to buy contacts well that first day everything was fine till second day i notice that my left eye was getting cloudy and when i blink goes clear than again cloudy and the right eye is okay. So i was like ummm let see what happen tomorrow Monday and i still see cloudy so tomorrow Tuesday i ma see my doctor why one eye is good and the other gets cloudy. Why makes my contact get cloudy?