Double vision are always due to glaucoma, cataracts and alcohol. It is hardly to be caused by pink eye. Pink eye is ofthen caused by bacteria and virtues. But it may let you suffer double vision for a while, never long. If you have pink eye and double vison accompanies all the time, then you must see a doctor and determine the real causes. And pink eye is common and not serious. The best thing you can do is stay at home and never go out until you are fine. That's because pink eye can spread person by person and you also may get further eye infection in public because of bacteria and germs in air.
Yes, it is normal for you to get double vision when you suffer pink eyes because of the coming invisible bacterium. You need to use the eyes drops with anti-inflammation to get rid of the bacterium. In addition, you could also have the good rest for the eyes, not sitting in front of the computers for a long time. You could also take the warm compress into consideration.