It has known that eye infection due to bacteria and virtues infection. People who are easy to get cold and have high fever can be caused eye infection easily. Pregnancy women have a weak immune system so that they can be attacked by various diseases and foreign matters. And pregnancy women may suffer watery eyes and red eyes, which cause pain, infection and a feeling of sandy in eyes. That is, pregnancy women are commonly likely to get eye infection. As for them, stay at home and leave sick people far away is good for both themselves and babies. Plus, if you get cold or other body problems, do not close pregnancy women.
I quite understand your concern because you are gonna have a lovely baby before long. So, during pregnancy, you must try to take care of your health as much as possible, including your eyes. Sometimes it is just accidental, you just need some normal saline to treat the problem and avoid using antibiotics, for those are likely to have some influence on your baby. Try to consult a doctor when necessary.