The Science Behind Orthokeratology: How It Works

Orthokeratology, often called ortho-k, is a groundbreaking non-surgical treatment for vision correction that combines the precision of science with the comfort of convenience. Ideal for people seeking alternatives to glasses, contact lenses, or laser surgery, ortho-k offers clear daytime vision by reshaping the cornea while you sleep.

What Is Orthokeratology?

Orthokeratology involves the use of specially designed, gas-permeable contact lenses worn overnight. These lenses gently reshape the cornea—the clear, dome-shaped front surface of the eye—to correct refractive errors like myopia (nearsightedness), hyperopia (farsightedness), and astigmatism. When you wake up and remove the lenses, the reshaped cornea allows light to focus directly on the retina, resulting in clear vision throughout the day without the need for glasses or contacts.

The Science Behind Ortho-K

The effectiveness of orthokeratology lies in its ability to temporarily alter the corneal curvature. The cornea is made of soft, flexible tissue that can be reshaped with gentle pressure. Ortho-k lenses exert a precise, controlled force on the outer layers of the cornea, redistributing its cells to create the ideal curvature for clear vision. This process is reversible, meaning the cornea will return to its original shape if you stop wearing the lenses.

Before fitting ortho-k lenses, your eye doctor performs corneal topography—a detailed map of your cornea’s surface. This map guides the customization of your lenses to match your unique corneal shape, ensuring comfort and effectiveness.

Unlike LASIK or other surgical procedures, ortho-k does not involve cutting or permanently altering the cornea. It’s a non-invasive option that provides the same freedom from glasses or contacts during the day.

Studies suggest that orthokeratology can also help slow the progression of myopia in children and adolescents. By reshaping the cornea, ortho-k lenses reduce peripheral defocus—a factor believed to contribute to myopia worsening.

Who Benefits from Orthokeratology?

Orthokeratology is ideal for:

•          Children and Teenagers: Ortho-k is a preferred option for myopia control, helping young eyes maintain healthy vision.

•          Active Individuals: Perfect for athletes or people working in environments where glasses and contacts are impractical.

•          Adults Seeking Non-Surgical Options: For those not eligible for LASIK or preferring a reversible treatment, ortho-k is a reliable choice.

Advantages of Ortho-K

•          Freedom from Daytime Eyewear: Enjoy clear vision without glasses or daytime contact lenses.

•          Non-Surgical and Reversible: Orthokeratology offers a safe, reversible alternative to permanent vision correction procedures.

•          Myopia Management: A proactive way to address myopia progression in children.

Is Orthokeratology Right for You?

Ortho-k is a highly specialized treatment requiring expert fitting and monitoring. At Los Angeles Vision Center, we use the latest technology to evaluate your candidacy for ortho-k and customize your lenses for optimal results. Whether you’re exploring ortho-k for myopia control or seeking freedom from glasses, we’re here to guide you every step of the way.

If you’re ready to experience the benefits of ortho-k, schedule a consultation with Los Angeles Vision Center and discover how this cutting-edge treatment can transform your vision. Visit our office in Los Angeles, California, or call (323) 934-2020 to book an appointment today.