If Ortho-K lens doesn't work for you, you just stop wearing them. Then your eyesight will return to the state before the Ortho-K treatment because it is fully reversible. This is one of the most compelling advantages compared to other treatments.
Ortho-K treatment won't cause side effects. If Ortho-K lens doesn't work for you, you can stop wearing them. As the Ortho-K treatment is reversible, your eyesight will return to your original state before treatment. So you don't have to worry about the outcome if this treatment doesn't work for you.