Moisture in my foglights: WTF!

One of my foglights keeps getting small amounts of moisture inside the lens; it ruins the 'look' of the light and I presume it hampers the performance as well. I am sure that other Taco owners have experienced this problem and I am looking for the solution. My affected foglight gets moisture on the reflective lens (reflector) as well as on the inside surface of the plastic lens. I have left the lights on for a period to 'burn off' the moisture but it reappears regularly. I put these foglights in myself over a year ago and the problem has just appeared. I will also add that I have noticed that both of the reflectors in my lights have small air holes that are located at the top of the reflector; I believe thats the only way they could be installed. Any / all ideas for fixing this are greatly appreciated. BTW I did a search here but did not find any fixes for this problem. '10 Tacoma 4CYL reg cab man trans.

 

The bulb isn't in all the way.I had one that did it and when I seated the bulb properly my problem was solved.

 

Awesome, thanks man! I will get on that this afternoon!