Ortho-K or CRT Lenses and Myopia Control: How does it work?
As a practice that specializes in Corneal Reshaping Therapy(CRT), I am often asked to explain how they work. This blog post will hopefully help explain the technology in the context of myopia control. Orthokeratology (Ortho-k) or CRT lenses gently reshape the cornea overnight. The contacts are designed so that water pressure under the lens changes epithelial cells to temporarily alter the curvature of the cornea. Don't worry, it's painless. Most patients will only experience
