The phrase "eye lens" refers to a clear part of our eye that helps us focus on objects and see them clearly.
Sentences with «eye lens»
In fact the front edge curves act a bit like a fish - eye lens making the tablet feel larger than it really is. (t3.com)
Basically it's a wearable eye lens set which acts as a virtual reality computer / screen that ads info / fun to nearly all of the daily routine actions. (thatvideogameblog.com)