Well, yes, in my opinion, it is of course safe to buy contact lenses online. And actually it can be cheaper than the optical stores. And generally speaking, there are many types and brands of contact lenses online. And you need to know what kind of contact lenses you really want. And then, just search them on the internet. For example, to buy them at the cheaper price, I will suggest you buy them at Wal-Mart online stores. And that can be a good choice. By the way, when you wear contact lenses, I have to remind of you that you should make sure your contact lenses are clean and also, just avoid being infected by some allergies and bacteria.