Myopia control with dual‐focus soft contact lenses during the first year of measures to contain the <scp>COVID</scp>‐19 pandemic

Cabanes‐Martí, Emma; García‐Ayuso, Diego

doi:10.1111/opo.13031

Cited by 10 publications

(7 citation statements)

References 19 publications

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“…Consistent with this finding, Huang et al suggested that the addition of multifocal SCLs designed for inducing myopic defocus did not follow a “the higher, the better” principle, and that a defocus of + 6.00 D was ineffective for controlling myopia progression [ 54 ]. The effectiveness of DISC lenses in the present study and MiSight® lenses in other studies [ 17 , 18 , 25 ] indicates that bifocal SCLs with adds of + 2.00 D to + 2.50 D may achieve adequate myopic defocus. Moreover, the treatment zone size and the pupil diameter were also important factors influencing the myopia controlling effects of bifocal SCLs [ 23 ].…”

Section: Discussionsupporting

confidence: 64%

Comparison of two different orthokeratology lenses and defocus incorporated soft contact (DISC) lens in controlling myopia progression

Li,

Lin,

Liang

et al. 2023

Eye and Vis

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Background To compare axial elongation in 8–11-year-old myopes wearing orthokeratology (OK) lenses with different back optic zone diameters (BOZD), defocus incorporated soft contact (DISC) lenses, and single-vision soft contact lenses (SCLs). Methods A total of 122 children (aged 8–11 years) with spherical equivalent refraction (SER) between − 1.00 D and − 4.00 D were enrolled in this prospective study and randomly assigned to four groups: 5.0 mm-BOZD OK, 6.2 mm-BOZD OK, DISC, and single-vision SCLs. Children in each group were further divided into subgroups stratified by the average baseline SER: low myopic eyes (SER: − 1.00 D to − 2.50 D) and moderate myopic eyes (SER: − 2.50 D and over). Axial length (AL) was measured at baseline and after one year. Results The 5.0 mm-BOZD OK, 6.2 mm-BOZD OK, and DISC groups exhibited significantly slower AL elongation than the SCL group. The proportion of slow progressors (AL elongation ≤ 0.18 mm/year) in the first three groups was 42%, 23%, and 29%, respectively. Furthermore, one-year AL elongation was significantly smaller in the 5.0 mm-BOZD OK group compared with the 6.2 mm-BOZD OK group. Regardless of SER, children in the 5.0 mm-BOZD OK and DISC groups showed comparably slower AL elongation than those in the SCL group. However, fitting with 6.2 mm-BOZD OK lenses significantly retarded AL elongation in moderate myopic eyes, but not in low myopic eyes. Conclusions Overall, 5.0 mm-BOZD OK lenses, 6.2 mm-BOZD OK lenses, and DISC lenses were effective in retarding AL elongation in 8–11-year-old myopes compared with single-vision SCLs, but for children with SER less than − 2.50 D, fitting with 5.0 mm-BOZD OK lenses and DISC lenses yielded better myopia control efficacy compared to wearing single-vision SCLs or 6.2 mm-BOZD OK lenses.

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Section: Discussionsupporting

confidence: 64%

Comparison of two different orthokeratology lenses and defocus incorporated soft contact (DISC) lens in controlling myopia progression

Li,

Lin,

Liang

et al. 2023

Eye and Vis

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“…Previous studies on myopia control therapy commonly selected SER and AL as primary outcomes, and SER was chosen as the primary endpoint [33][34][35]. However, the change of AL was more sensitive to the short-term pro- gression of myopia in children, according to our clinical research.…”

Section: Results Of Endpointsmentioning

confidence: 89%

Low-Power Red Laser Treatment for Anisometropic Myopia Control in Children: A Contralateral Comparison Study

Wang

Abudukeyimu

et al. 2023

Discovery Medicine

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Background: There are some uncertainties about the effect of low-power red laser treatment on myopia control for anisometropic myopia in children. To evaluate the effect and safety of low-power red laser treatment on refractive development for anisometropic myopia in children, a contralateral comparison study was conducted. Methods: The more myopic eye of child with anisometropic myopia was treated with low-power red laser treatment (LRL group), the other eye received no treatment other than the wearing of single-focus spectacles (SFS) (SFS Group). The LRL treatment was given at home under parental guidance for 3 minutes each time, twice daily with a minimal interval of 4 hours, 7 days per week, using an equipment that produces red laser of 650 nm wavelength at an illuminance range of roughly 1200-1800 lux and an energy of 0.60 mw for a 4-mm pupil (class I classification). Results: Among 51 included children, 44 (86.27%) completed the 3-months study, consisting of 15 girls (34.1%) and 29 boys (65.9%). After 3-months axial length (AL) and spherical equivalent refraction (SER) progression were -0.08 mm [95% CI (confidence interval), 0.11 to 0.06 mm] and +0.23 diopter (D) (95% CI, 0.13-0.33 D) for LRL group and +0.08 mm (95% CI, 0.05-0.11 mm) and -0.07 D (95% CI, -0.16-0.03 D) for SFS group. AL and SER progression between the groups varied by 0.17 mm (95% CI, 0.13-0.20 mm) and -0.30 D (95% CI, -0.42 to -0.18 D). There was no visible structural damage on optical coherence tomography (OCT) scans. Conclusions: AL growth, myopia progression, and anisometropia of the binoculars can all be slowed down by LRL treatment. Compared to SER progression, axial elongation is more accurate and simpler to monitor. LRL treatment unrecorded functional and structural damage of binoculus.

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“…In these last years, the increased time in near work with digital devices [ 41 , 42 ] together with the reduced time spent outdoors due to the COVID-19 pandemic may have increased the risk of myopia onset and progression in children [ 43 , 44 ], a side effect of the measures to contain the pandemic that will only become apparent in the next few years [ 45 , 46 ]. Interestingly, recent works have proposed that time spent outdoors may have also had a role in the efficacy of dual-focus soft contact lenses for myopia control [ 47 ] and atropine [ 48 , 49 ] during the pandemic, while another recent study has proposed that dual-focus soft contact lenses for myopia control are effective regardless of time spent outdoors [ 50 ]. Another recent work has proposed a stronger association between digital screen use and myopia progression than between myopia and time spent outdoors during the strict lockdown [ 45 ].…”

Section: Discussionmentioning

confidence: 99%

Attitudes and knowledge of myopia management by Spanish optometrists

Di Pierdomenico,

González-González,

Valiente-Soriano

et al. 2023

Int Ophthalmol

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Purpose To investigate the knowledge, training and clinical practice of Spanish optometrists about preventing and controlling myopia progression. Methods A web-based questionnaire was distributed to Spanish optometrists through social networks, optometric professional bodies and one of the major Spanish optometrists' associations to assess practitioner perception, understanding, and self-reported clinical practice behavior related to myopia diagnosis and management. Results A total of 534 optometrists with a mean age of 40.8 ± 10.3 years completed the survey. Most respondents have been practicing optometry for more than 20 years (89.8%), report having actively treated childhood myopia (82.4%), and are very concerned about the increasing frequency of pediatric myopia in their daily practice (85.3%). Almost all of the respondents (97.3%) agreed that the efficacy of treatment is related to the age at which it is prescribed, and more than half (53.6%) considered a progression higher than − 0.50 and up to − 1.00D as the minimum necessary to consider a myopia management option. Respondents who reported actively managing childhood myopia considered orthokeratology, atropine and soft-defocus contact lenses the most effective myopia control interventions. However, the most frequently prescribed form of myopia correction by Spanish optometrists was single-vision spectacles, followed by orthokeratology and soft-defocus contact lenses. Conclusions Spanish optometrists are very active in the management of myopia, especially by fitting orthokeratology lenses or dual-focus soft contact lenses for myopia control, but there is still potential for improvement in the methodology they follow for both the diagnosis and management of myopia.

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Myopia control with dual‐focus soft contact lenses during the first year of measures to contain the COVID‐19 pandemic

Cited by 10 publications

References 19 publications

Comparison of two different orthokeratology lenses and defocus incorporated soft contact (DISC) lens in controlling myopia progression

Comparison of two different orthokeratology lenses and defocus incorporated soft contact (DISC) lens in controlling myopia progression

Low-Power Red Laser Treatment for Anisometropic Myopia Control in Children: A Contralateral Comparison Study

Attitudes and knowledge of myopia management by Spanish optometrists

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