Pink eyes is used to describe a condition medically known as conjunctivitis. The leading cause of a red eye is virus infection, and it occurs in any age, luckily, pink eyes do not cause any changes in vision. Usually, it is not serious and goes away in 7 to 10 days without medical treatment. If the pink eyes are caused by virus, you could go back to work when it begin to improve in three to five days. One point must be pay attention, it is important to prevent the spread of virus, you could take an antiviral medicine to improve this condition. If the pink eyes are caused by bacteria, you could return to work after twenty four hours if you feel good. You could also go to see a ophthalmologist, they will give you some prescription antibiotic treatment to cure the pink eyes. Just keep happy mood to overcome it in short time. Hope you will be discover as soon as possible to go back to your work.