Yup, the pregancy can cause some vision problems such as blurred vision, pink eye, dry eye in unexpcted ways. The women in pregnancy always has blood pressure. If she had violent coughing, powerful sneezing, heavy lifting or vomitting, the blood vessel in eye will be bursted. The viloent vomiting can increase her blodd pressure and the pressure in the vessels inside the eye. This increase can caluse blood vessels in the eye to reture and then the blood can become trapped in the eye. So we will see a blood spot in eye during pregnancy. However, no worries. This kind of injury will be healed by our body itself, just as a bruise.