What is a myopia control contact lens?
A myopia control contact lens is a lens that corrects distance vision at the fovea while placing plus power outside the central zone, so the peripheral image shell sits in front of the retina rather than behind it.
Two optical terms carry the whole category. Myopic defocus is image shell focused in front of the retina. Hyperopic defocus is image shell focused behind it. According to Berntsen and Kramer, Peripheral Defocus with Spherical and Multifocal Soft Contact Lenses (Optometry and Vision Science, 2013), a contact lens is a practical way to deliver a defocus profile 360° in the periphery because the lens stays relatively centred with eye movements — a spectacle lens does not, because the eye rotates behind it.
That is the optical definition, and it is where this site stops. Whether a given child should be in one of these lenses, at what age, on what wearing schedule, and what happens to axial length over years are clinical management questions. They are answered by a practitioner, not by a parameter table, and they are not covered here — see which decisions are not lens parameters below.
Which pages cover myopia control lens optics?
Three explainers sit under this hub, split by where the defocus is built: into the lens, into the cornea, or compared side by side.
| Page | What it covers | When to open it |
|---|---|---|
| Myopic Defocus and Treatment Add of Myopia Control Lenses | The optic itself — myopic against hyperopic defocus, centre-distance against centre-near, and what a treatment add is | You need to know what the plus power in the periphery is doing |
| Ortho-K Lens Design and Post-Wear Topography | Reverse-geometry curve names, what sets lens sagittal height, and how to read the post-wear map | The lens reshapes the cornea and the map is the verification |
| Soft Multifocal or Corneal Reshaping: Comparing Lens Parameters | The two ordered parameter sets side by side, including the toric limits | You are comparing what each family asks you to specify |
| Multifocal Contact Lens Calculator | Starting distance power and starting add for a presbyopic multifocal fit | You are converting a spectacle add, which is a different procedure |
The boundary between the last row and the first three is the one worth holding: a presbyopic add is calculated from a written spectacle add, and a treatment add is not calculated at all. That distinction is worked through under is a myopia control lens the same as a presbyopic multifocal.
How do concentric treatment zones produce peripheral myopic defocus?
A soft myopia control lens is centre-distance: the middle of the optic zone carries the distance correction, and plus power sits outside it in concentric zones.
According to Melanie Frogozo, OD, Succeed with Soft Multifocals (Review of Cornea & Contact Lenses, February 2026), three centre-distance geometries are in clinical use, and they differ in how the plus power is distributed rather than in what it is for:
- Gradient, or aspheric. An area of distance correction in the middle of the optic zone that progressively increases toward the periphery into the full near add. Frogozo notes these designs are theoretically pupil-size dependent, because the full add is only reached at the optic zone periphery.
- Dual-focus, or concentric ring. A distinct central annular distance zone with an adjacent annular ring of near add, then alternating annuli of distance and add through the rest of the optic zone. The full add is reached independent of pupil size.
- Extended depth of focus (EDOF). A central distance area followed by peripheral areas of defocus extending to the edge of the optic zone, producing a continuous elongated focus rather than discrete focal points. Frogozo describes this as avoiding the defocused light scatter, glare and halos of discrete designs, at the cost of some retinal image quality.
The opposite arrangement exists and is not this category. Berntsen and Kramer describe centre-near designs — full add power in the centre transitioning to distance power in the periphery — as the reverse of the profile a centre-distance myopia control design is built for. A later study by Hair, Steffensen and Berntsen (Optometry and Vision Science, 2021) measured four multifocal designs and reported that the centre-distance lenses produced myopic changes in defocus across the retina while the centre-near lens produced peripheral hyperopic changes. Reading “multifocal” on a box does not tell you which of the two you are holding.
How does overnight corneal reshaping produce the same optic differently?
An orthokeratology lens produces the profile by reshaping the cornea overnight: a flattened central treatment zone surrounded by a ring of mid-peripheral steepening.
Nothing is worn during the day, so the optic is the cornea itself. According to John Mountford and Don Noack, Corneal Topography and Orthokeratology: Post-fit Assessment (Contact Lens Spectrum, June 2002), a correctly centred result shows a well-centred area of corneal flattening, a circle of mid-peripheral corneal steepening, and little or no peripheral corneal change — the pattern usually called a bull's-eye.
That geometry is a rigid gas permeable design problem, not a soft-lens ordering problem. The curve names, what controls the lens sagittal height, and how the post-wear map is read are on Ortho-K Lens Design and Post-Wear Topography. The base curve arithmetic that flattens the cornea in the first place — the Jessen factor and the compression factor — is on RGP Contact Lens Parameters and Starting Power, because an ortho-k lens is a GP lens.
What do you order for each design family?
The two families share almost no parameters. A soft design is ordered as a power plus a design; a reshaping design is ordered as a set of curves.
| Parameter | Soft centre-distance design | Orthokeratology design |
|---|---|---|
| Distance power | Ordered — the vertex-compensated sphere at the corneal plane | Not ordered as a power; it is the amount of flattening the curves are calculated to produce |
| Treatment optic | A stated add. Frogozo records commercially available add options from +1.00 D to +4.00 D; some designs carry a single universal add instead | Not a stated add. The reshaped corneal profile is the optic |
| Base curve | Chosen from the design's short list; lathe-cut custom designs allow it to be specified | Back optic zone radius, calculated flatter than flat K, plus a reverse curve, an alignment zone and a peripheral curve |
| Diameter | Usually fixed per design; specifiable on lathe-cut designs | Ordered, and load-bearing — too small a diameter is a named cause of lateral decentration |
| Zone sizes | Fixed in commercial designs; Frogozo notes lathe-cut designs allow customisable zone sizes for distance and add | Effectively ordered, through the widths and radii of the reverse and alignment zones |
| Astigmatism | Limited — most myopia control soft designs are spherical-power only | Handled as a toric landing zone above a corneal toricity threshold, not as a cylinder power |
One line in that table is the whole comparison: a soft design takes a converted power and a reshaping design does not. That is worked out further on Soft Multifocal or Corneal Reshaping: Comparing Lens Parameters.
This site is manufacturer-agnostic and publishes no brand parameter grids. One regulatory fact is worth stating plainly because it changes how an order is written rather than which product is better: Frogozo records that MiSight 1 Day is the only daily disposable soft lens with FDA approval for myopia control, that it is a dual-focus hydrogel design with spherical distance powers and a single universal +2.00 D defocus add, and that the aspheric and EDOF multifocals used for the same purpose are cleared for presbyopia and used off-label. That is a status difference, not a performance claim, and the brand is named here on the same terms as every other manufacturer on this site — see Contact Lens Calculator Alternatives.
Is a myopia control lens the same as a presbyopic multifocal?
They can share a lens design and they do not share a procedure. A presbyopic add is calculated from a written spectacle add; a treatment add is a property of the design.
On a presbyopic fit, the near add exists because the patient has a measured near demand, and the starting contact lens add is derived from the spectacle add and then refined on eye. That procedure lives on the Multifocal Contact Lens Calculator and is not restated here. On a myopia control fit the wearer has no presbyopic near demand at all; the plus power is there to shape where the peripheral image sits, and its magnitude is a design constant you select among rather than a number you convert.
The vocabulary collides in a second place. LOW, MED and HIGH are designation bands a multifocal is ordered in, and that is a labelling convention explained on Low, Medium, and High Add of Multifocal Contact Lenses. What the plus power is optically doing in a myopia control design is on Myopic Defocus and Treatment Add of Myopia Control Lenses. Three pages, three different questions, and mixing them is the usual source of a mis-specified order.
Where does the converted spectacle power enter?
On the soft side, the distance zone still carries a vertex-compensated sphere at the corneal plane. The treatment optic sits on top of that number; it does not replace it.
Convert the spectacle sphere on the Contact Lens Conversion Calculator, and read vertex-compensated contact lens power for why the two planes differ above about ±4.00 D. The treatment optic changes nothing about that step — a centre-distance lens still has to give clear distance vision, and a distance zone ordered at the spectacle number is the same error on a myopia control lens as on any other soft lens.
Frogozo names one adjustment worth knowing about, because it is optical rather than clinical: when a high add degrades visual quality — higher-order aberrations presenting as glare, halos and reduced contrast sensitivity — the distance zone can be prescribed with more minus, up to −0.50 D, to recover distance vision. That is an over-refraction decision made at the chair on a lens already on eye. Verify it with over-refraction, not by re-converting the spectacle Rx.
Astigmatism is the other place the ordered power runs out. Frogozo's guidance is that where a child has significant astigmatism that does not correct well in the chosen myopia control design, a design offering astigmatic correction should be considered, and where none is available, spectacles over the lenses for the residual error are an option. Starting toric parameters are calculated on the Toric Contact Lens Calculator.
Which decisions on this page are not lens parameters?
Most of the questions people bring to this category are not parameters, and this site does not answer them at any depth.
Whether a child is a candidate, what age is appropriate to start, what wearing schedule to use, how often to review, what happens to axial length, and how much progression a design does or does not change over years are all clinical management. They are decided by a practitioner who has examined the eye and can follow it over time. This site publishes lens optics and ordered parameters; it publishes no candidacy criteria, no wearing schedules, no axial-length targets and no progression figures, and a page that gave you those from a table would be giving you something a table cannot know.
Two further limits apply across this section. Frogozo notes that each design has its own optic zone sizes and power profiles, so a lens that decentres on eye does not deliver the profile it was designed to deliver — which is why centration is checked at the slit lamp on every one of these fits, and why contact lens fit assessment matters more here than on a single-vision fit, not less. And contact lens wear in children carries the same corneal risk profile as any other lens wear, which is a conversation for the fitting practitioner and not a parameter this site returns.
Patient aside (Grade 8–9)
These lenses correct distance vision and are also built with a different optical shape around the edge. Whether one is right for your child, when to start, and how often to be checked are decisions your eye doctor makes after examining the eyes. This page explains what the lens is, not what to do. If an eye is sore or red, will not tolerate light, or is seeing worse than usual, take the lens out, leave it out, and call the eye doctor the same day — a child will not always say so on their own.
Read Starting Contact Lens Parameters Are Not a Prescription for the bound that applies across this site. Convert the distance power. Fit the design on eye. Verify with over-refraction after the trial lens.
Sources
Clinical claims on this page are attributed to the publications below. Where a source also reports myopia progression outcomes, those figures are deliberately not reproduced here.
- Melanie Frogozo, OD, Succeed with Soft Multifocals (Review of Cornea & Contact Lenses, February 2026) — centre-distance gradient, dual-focus and EDOF geometries; pupil dependence of aspheric designs; commercially available adds +1.00 D to +4.00 D; lathe-cut customisable base curves, diameters and zone sizes; higher-order aberrations, glare, halos and contrast loss at high add, and up to −0.50 D more minus in the distance zone; astigmatism handling and over-spectacles; MiSight 1 Day as the only FDA-approved daily disposable for myopia control, dual-focus hydrogel with a universal +2.00 D defocus add; aspheric and EDOF designs cleared for presbyopia and used off-label; decentration changes the delivered profile.
- David A. Berntsen and Charles E. Kramer, Peripheral Defocus with Spherical and Multifocal Soft Contact Lenses (Optometry and Vision Science, 2013) — contact lenses deliver a peripheral defocus profile 360° because the lens stays relatively centred with eye movements; centre-near designs carry the full add in the centre transitioning to distance in the periphery; centre-distance concentric ring designs alternate rings of full distance and full near power.
- Lea A. Hair, Elaine M. Steffensen and David A. Berntsen, The Effects of Center-Near and Center-Distance Multifocal Contact Lenses on Peripheral Defocus and Visual Acuity (Optometry and Vision Science, 2021) — centre-distance designs produced myopic changes in defocus that varied by design; the centre-near design produced peripheral hyperopic changes; multifocal designs reduced low-contrast vision by varying amounts.
- John Mountford and Don Noack, Corneal Topography and Orthokeratology: Post-fit Assessment (Contact Lens Spectrum, June 2002) — the centred treatment pattern as a well-centred area of corneal flattening, a circle of mid-peripheral steepening, and little or no peripheral change.
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