What are Stellest lenses and how do they slow myopia progression?

TLDR: Stellest lenses are prescription eyeglass lenses containing hundreds of micro-lenslets that create a myopic defocus signal in the peripheral retina, slowing the eye's axial growth and reducing myopia progression by an average of 67 percent.

The Challenge of Spectacle-Based Myopia Control

For decades, the options for controlling myopia in children who wear glasses were limited. Standard single-vision spectacle lenses — the kind most myopic children wear — correct the prescription beautifully but do nothing to slow the eye's ongoing elongation. Parents who preferred glasses over contact lenses for their young children were largely left without effective myopia control options until the development of specialized spectacle designs.

Stellest lenses, developed and commercialized by Essilor, represent one of the most significant advances in spectacle-based myopia control. They offer a fully wearable, comfortable glasses-based solution that slows myopia progression through a sophisticated optical mechanism — without requiring contact lenses, eye drops, or nighttime wear.

How Stellest Lenses Work: The Science of H.A.L.T.

Stellest lenses are built around Essilor's patented H.A.L.T. technology — an acronym for Highly Aspherical Lenslet Target. The lens contains 1,021 individual micro-lenslets arranged in 11 concentric rings within the carrier lens, covering the pupil zone and a wide area of the lens. Each lenslet is precisely designed to create a small point of converged light in front of the retina — what eye scientists call myopic defocus.

The key to understanding why this works lies in how the eye responds to the retinal signal. Research has established that the peripheral retina plays an important role in driving the axial elongation of the eye. When standard single-vision glasses correct the central prescription but inadvertently create a signal of hyperopic (farsighted) defocus in the periphery, the eye may interpret this as a signal to continue growing. By creating myopic defocus across a large area with the lenslets, Stellest lenses send the retina a signal to slow axial growth — essentially telling the eye it is long enough.

This approach is not the same as simply wearing an overpowered prescription. The carrier zone of the Stellest lens provides the child's exact correction for clear vision, while the lenslets create the myopic defocus signal simultaneously. The lenslets appear as a subtle texture in the lens and do not interfere with functional vision — children see clearly through the lens despite the optical complexity embedded within it.

Clinical Evidence: The Three-Year Study

Stellest lenses are backed by a rigorous, three-year randomized controlled clinical trial conducted in China involving 167 children aged 8 to 13. The trial compared children wearing Stellest lenses for at least 12 hours per day to children wearing standard single-vision lenses. Results showed that Stellest wearers experienced 67 percent less axial elongation on average compared to the control group. Furthermore, in the first year alone, 90 percent of children wearing Stellest lenses showed slower progression than those wearing single-vision lenses.

An important detail in the study findings: children who wore Stellest lenses for 12 or more hours per day showed the strongest effect. Wearing time matters — the more consistently the lenses are worn during waking hours, the more defocus signal the retina receives. This underscores the importance of consistent daily wear for maximum benefit.

Who Is a Good Candidate for Stellest Lenses?

Stellest lenses are an excellent option for myopic children who are not yet ready for contact lenses — typically younger children aged 6 to 10 — or for families who simply prefer glasses as the primary correction. They are also appropriate for children who participate in activities where contact lenses may be impractical or uncomfortable.

The ideal candidate is a myopic child with documented progression (a prescription that has increased by 0.50 diopters or more per year) or risk factors for rapid progression (young age at onset, parents with myopia, East Asian heritage). Children should be able to wear their glasses consistently throughout the day for the treatment to be maximally effective.

Stellest lenses can be combined with other myopia control strategies when a more aggressive approach is warranted. For example, a child might wear Stellest glasses on days when they are not using contact lenses, or a low dose of atropine might be added to the regimen for a child with rapidly progressing myopia.

Practical Considerations

Stellest lenses are available in most standard prescription ranges and lens materials. They look and feel like ordinary glasses to the wearer — the lenslets are visible to an observer in certain lighting conditions as a subtle pattern, but children generally do not notice them while wearing the glasses. Adaptation is typically rapid, with most children adjusting fully within one to two weeks.

From a cost standpoint, Stellest lenses are typically more expensive than standard single-vision lenses but represent an investment in slowing a condition that, left unmanaged, often worsens significantly each year. When you consider the long-term cost of higher prescriptions, the increased risk of eye disease associated with high myopia, and the personal impact of progressive vision loss, myopia control becomes not just a clinical recommendation but a sound long-term investment in your child's eye health.

Ready to Protect Your Child's Vision?

At Lumen Vision, we specialize in pediatric optometry, vision therapy, and myopia control. Our team is passionate about catching vision problems early and giving every child the visual foundation they need to thrive. We proudly serve families across the region with comprehensive, compassionate eye care.

Call us at 701-404-9096, visit us online at www.lumen.vision, or schedule your child's appointment directly at scheduleyourexam.com/v3/index.php/6654.