ArticleOphthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists)2025
Accommodative behaviour and retinal defocus in highly myopic eyes fitted with a dual focus myopia control contact lens.
Article in Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Association Between Binocular Vision Disorders and Contact Lens Discomfort During Soft Contact Lens Wear: A Systematic Review.Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) · 2026Review
- Accommodative behaviour and retinal defocus of children during prolonged viewing of electronic devices while wearing dual-focus myopia control soft contact lenses.Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) · 2025Article
- Scoping Review of the Role of Accommodation and Binocular Coordination in Myopia Onset and Progression.Clinical ophthalmology (Auckland, N.Z.) · 2025Review
- Accommodative behaviour and retinal defocus in highly myopic eyes fitted with a dual focus myopia control contact lens.Ophthalmic & physiological optics : the journal of the British College of Ophthalmic Opticians (Optometrists) · 2025Article
- Multifocal contact lenses and defocus incorporated multiple segments lenses slow myopic progression in Chinese children with high myopia.Journal of optometryArticle
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Authors and funding
7 authors.
Funding
Abstract
purposeTo evaluate the myopic and hyperopic defocus delivered to the retina by a dual focus (DF) myopia control contact lens when myopia exceeds 6.00 D.
methodsIndividuals with high myopia were fitted bilaterally with high-powered DF lenses containing power profiles matching a Coopervision MiSight 1 day contact lens (omafilcon A) and a Coopervision Proclear 1 day single vision (SV) lens. Wavefront measurements along the primary line of sight and across the central ±20° of the horizontal retina were acquired using a pyramidal aberrometer, while subjects accommodated to high-contrast letter stimuli (6/12 equivalent) at six target vergences (-0.25 and -1.00 to -5.00 D). Linear mixed-effects regression models explored the relationship between the spherical equivalent refractive error (SERE) and induced defocus.
resultsThirteen teenagers and young adults (ages 13-32 years, mean [standard deviation, SD] age = 22.8 [4.9] years) with high myopia (SERE -6.50 to -9.25 D) were tested. The treatment optic zone of the DF lens shifted retinal defocus by the expected -2.00 D, with a mean (SD) difference (DF-SV) of -2.21 (0.18) D for the inner treatment ring. Inclusion of the treatment optic had no significant impact on accommodative accuracy (p = 0.51). Accommodative lags were larger at the nearer viewing distances, with lag increasing by approximately 0.30 D for every additional dioptre of SERE. Measured retinal defocus within the annular treatment zone was approximately -2.00 D at the foveal centre, 10° nasal and temporal and 20° nasal and reduced to -1.90 (0.57) D at 20° temporal.
conclusionsRelative to eyes with lower levels of myopia, the increased accommodative lags and more prolate retinas of highly myopic eyes reduced the myopic retinal defocus from the DF myopia control lens, while the treatment optical zones generated the combined effect of reducing hyperopic and introducing myopic retinal defocus relative to an SV correction.
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