Science & Research
Long-Term Ortho-K Outcomes: What the Research Tells Us
Ortho-K care lasts beyond the first week. Families want to know whether it keeps helping, what the doctor checks and what happens when wear stops.
February 21, 20265 min read
Research, studies & clinical evidence
Science & Research
What do studies tell us about Ortho-K and myopia? Learn what the findings mean and where more research is needed.
Medically reviewed
Evidence-based content
10 articles
Science & Research
FDA Approval and Safety Standards for Orthokeratology Lenses
FDA approval is for a certain device and use. It does not cover every Ortho-K lens or every claim about it.
January 5, 20265 min read
Science & Research
Peripheral Defocus: How Ortho-K Is Used in Myopia Control
Why can a child's glasses keep getting stronger even when they wear them? Standard glasses clear the blur.
December 9, 20254 min read
Science & Research
History of Orthokeratology: From 1960s PMMA to Modern Myopia Control
Ortho-K took decades to develop. Better lens materials, new shapes and tools to map the eye all helped change how it is fitted.
November 11, 20255 min read
Science & Research
Axial Length: Measuring Eye Growth in Myopia Control
Axial length is the distance from the front to the back of the eye. Tracking it helps show how a child's eye is growing.
October 15, 20255 min read
Science & Research
What Is Corneal Topography and Why It Matters for Ortho-K Fitting
Corneal topography is a map of the front surface of your eye. The cornea is the clear front part of the eye.
September 18, 20255 min read
Science & Research
Can Outdoor Time Really Prevent Myopia? What the Research Says
More time outdoors can lower the chance that a child develops myopia, or nearsightedness. It is a helpful habit, not a guarantee.
August 22, 20255 min read
Science & Research
20+ Years of Safety Data: The Ortho-K Track Record
Ortho-K is a prescribed overnight lens treatment. It can help with daytime vision and childhood myopia care, but no contact lens is risk-free.
July 26, 20254 min read
Science & Research
ROMIO, LORIC, and Beyond: Key Ortho-K Clinical Studies
Research supports Ortho-K as a way to slow myopia in children. But a study percentage is not a promise for one child.
June 29, 20254 min read
Science & Research
How Ortho-K Slows Myopia: The Science Explained
Ortho-K has two goals in childhood care: clear daytime vision and slower myopia progression. Myopia means nearsightedness.
June 2, 20254 min read