Orthokeratology is named as ortho K. It is also called as corneal reshaping. The lens of the ortho-K is specially designed to tolerate the vision during night time. It has to be worn daily to enhance the night vision.
For wearing the ortho k contact lens, you should consult the doctor and confirm whether it fits your eyes and it is in a healthy condition. You should maintain it with proper care by cleaning it daily. It ensures good night vision to the users who are using it.