blurry right eye

i fell asleep the other day for a few hours and when i woke up my right eye was blurry...i was recently prescribed contacts but really dont need them unless i drive at night... so i might wear them once or twice a week for 2 or 3 hours at a time... the vision in the right eye has been blurry for about 2 weeks, no matter if i am up close or far away from something it stays the same blurriness...there is a constant pressure in the eye area along with skin or muscle numbness in the cheek and temple area...when i blink i can see a dark shape that appears and disappears as though i had looked at a light bulb for to long...but can only see it when i blink then its gone....it started out with only seeing very blurry outlines of things and people i was looking at... at night time i can see dim lights on cars but cant see the vehicle at all no matter how close i get behind them.... its like there is a dark window tint over my eye that i cant see through....if anyone knows wha t could be causing this