Well, generally speaking, when you are early pregnant, some vision changes are a common, usually normal part. Of course, blurred vision is a symptom present in many stages of pregnancy with many women experiencing it. So we can say that blurry vision is the common symptom of early pregnancy. Besides, spots, floaters, double vision, eye irritation, dry eyes, eye discomfort, and vision changes may occur too. For blurred vision, you need know that if you are planning on getting pregnant, you shouldn't have corrective surgery done at least six weeks previous to conception.
Ok, I can see that you are concerned about the negative impacts on your health because of early pregnancy, so it is true that early pregnancy would give us a lot of problems, such as dizzy feeling in the morning, anorexia, nausea, and so forth, along with some problems with your vision, such as blurry vision or something, this is quite normal and it is due to abnormal hormone level, which would be recovered after delivery. During this period, you should get a medical exam and try to take in enough nutritions and vitamins. Get more rest is also necessary.
Yes, it is possible for you to get blurred vision during your early pregnancy. When you get pregnant, your eyes pressure will not be stable. Your eyes are prone to be dry. You should not wear the contact lenses. At this time, wearing the contact lenses may easily let you get the eyes infection and let the invisible bacterium come into the eye. You could drink more water and do the warm compress to make your eyes keep moisture. In addition, you should remember that you should not use the medical care which will affect the baby in your body. You could just use the warm compress and rest to adjust the blurred vision. You should protect the eyes from the healthy diet. That is very important.