Well, yes, corneal abrasion can cause blurred vision. As we know that corneal abrasion is often caused by eye infection which is related to bacteria, viruses or environmental agents, such as pollens and other irritants. But you also should know that blurry vision is also can be caused by the bacteria, and other allergies. So when your eyes are infected by some viruses, and get corneal abrasion, you can get blurred vision. So you should be careful about it. To treat your symptom, you can just take some measures to find out the direct infection cause. And contacts can lead to corneal abrasion. So just use some resolution to clean your contacts carefully. Also, if you have corneal abrasion, you can just wear the eye patch. By wearing an eye patch, it can be bothersome, but doing so will insure a speedy recovery for your eyes.. Besides, if you have some problem, you can talk it with your eye doctor.
It is normal. You may get corneal abrasion when something scratches, cuts, or damages the cornea. Because corneal abrasion affects the way the cornea works, it would cause vision problems, thus things may appear blurry or you may not be able to see as well. If you wear contact lenses, I recommend you to keep away from it.
You must have unconsciously broken the corneal part in your eyes which can be healed naturally. However, when you feel that the corneal abrasion causes the blurred vision, you'd better go to the hospital to have a full check on the eyes to see whether the corneal gets the inflammation. You should take notice of it.