Well, yes, they can lead to blurred vision. Steroid eye drops, also referred to as corticosteroid eye drops, are prescribed by doctor to treat the swelling eyes. So you should know that steroid based eye drops are used to treat swelling and inflammation. But on the other hand, they have some side effect. For example, the possible temporary side effect is blurred vision. 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, you can get eye infection. At the same time, your blurry vision can occur too. So you should be careful about it.