08/22/2026
“The Role of Peripheral Defocus in Myopia”
Myopia, or nearsightedness, is not only about how clearly we see in the center of our vision. It also involves how the eye focuses light in the peripheral (side) areas of the retina.
In a normal eye, light is focused evenly across the retina. However, in myopia, while central vision may already be blurry without correction, the peripheral image can sometimes be focused differently—often falling behind the retina. This is referred to as peripheral defocus.
Research suggests that the way light is focused in the peripheral retina may influence signals that guide eye growth. When the eye receives certain patterns of defocus, it may contribute to continued elongation of the eyeball over time, especially during childhood development.
This is one reason why myopia management strategies often consider not just central vision correction, but also how the eye is guided optically across different areas of the retina.
Understanding peripheral defocus helps explain why myopia is more than just blurred distance vision—it is a condition involving how the entire visual system responds to focus signals.
Vision is not only central clarity—it is a full-field system that influences how the eye develops over time.
With continued research and early management, we can better understand and address factors that influence myopia progression.
Register for the webinar:
https://dringryd.com/webinar-registration
Learn more:
Dr. Ingryd Lorenzana, OD, FA