Well, lifting weight can lead to blurry vision. When you have lifted weight, it will just increase your blood pressure. In that way, your eye pressure will be high. And then it will just affect your eyes, leading to eye strain and blurry vision. So you should be careful about it. Also, you 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, you can get eye infection. At the same time, your blurry vision can occur too. Besides, you should know that blurry vision can also be caused by some other factors, such as Macular degeneration.
Yes, it is normal to have the temporary blurred vision after the weight lifting because of the great using of energy. Your brain will be in the state of lacking oxygen. That is why you get the blurred vision. However, it is temporary. You should have the good rest for the eyes. Then you will get the clear vision.
Blurry vision could be resulted from a wide variety of reasons, such as eye infections, other health diseases, as well as some temporary irritation. So, it is true and normal and blurry vision could be emerged from lifting weight, it depends on your specific health conditions. But generally speaking, strenuous exercise would have some negative impacts on your health. Just take it easy.