Why Do You Need Glasses? An Eye Surgeon Explains How Vision Correction Works
Have you ever been told that your eye is like a camera?
It’s a useful comparison. A camera has a lens that focuses light to create an image, and your eye has a sophisticated optical system that does essentially the same thing.
But there’s one important difference.
Your eye actually has two major focusing structures: the cornea and the natural lens.
Understanding how these two structures work together makes it much easier to understand why you need glasses—and how procedures such as LASIK, EVO ICL, and lens replacement surgery can correct vision.
I’m Dr. Scott Spector, an eye surgeon, and I’d like to simplify how the eye focuses light and explain the different places where we can correct the problem.
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