Understanding Retinal Biofeedback
Many store owners face a practical challenge: no matter how impressive a lens's specifications are, if a child finds it uncomfortable or won't wear it for long, the ultimate result is effectively zero. So, in the next installment, we’ll move beyond dry numbers
and explore how this optical design
sends a "braking signal" to the child's retina.
Once you grasp this underlying feedback mechanism,
you’ll be able to truly win over parents.
Understanding Fractal Curve Light Diffusion
In the previous article, we mentioned "fractal curve tiling technology" but did not elaborate on just how critical it is. Essentially, this technology utilizes "Hilbert curves" on the back surface of the lens to create thousands of tiny equilibrium points, generating countless instances of irregular optical diffuse reflection.
Shifeng Film / Kandumo 02
Many store owners ask: "How exactly do those microlens designs stop the axial length from elongating?" Underlying this is, in fact, a process of optical feedback to biological systems.
When a child wears the "Xiao Yuanman" lenses, 1,168 microlenses project light onto the peripheral regions of the retina, generating a distinct "myopic defocus" signal. Biologically, upon detecting this signal, the retina transmits instructions to the brain and sclera: "The current axial length is sufficient; stop excessive backward growth!" The higher the density of this peripheral defocus signal (1,168 microlenses), the stronger the feedback received by the brain. It is akin to installing a sensitive "anti-theft alarm" on the eye's axial growth mechanism; as long as the signal persists, the impulse for the eye axis to elongate is effectively suppressed.
Understanding the Importance of All-Day Wear for Myopia Control
There is an unspoken consensus within the industry regarding myopia control lenses: their effectiveness is directly proportional to the duration of wear. There is a vast difference in control efficacy between wearing them for 12 hours a day versus just 8 hours. Why do so many children resist wearing these lenses? The root cause lies in traditional designs being too "jarring," causing the brain to experience dizziness or sensations of dryness.
The "Small Full-Circle" design reserves the 8mm high-definition zone for central vision while utilizing fractal light-scattering elements in the periphery, with the primary goal of achieving a seamless, imperceptible transition. When the child looks into the distance, the peripheral microlenses transmit signals; when focusing on near-field tasks like homework, the central high-transparency zone ensures visual clarity; meanwhile, regardless of the viewing distance, the fractal curves quietly modulate contrast. This multi-layered optical division of labor eliminates the need for the child's eyes to constantly strain in order to adapt to the lenses. With greater visual comfort and improved wearability, control signals are consistently delivered to the retina, effectively transforming "cutting-edge theoretical technology" into "practical, daily protection."
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Post time: Sep-05-2026