As such, it is of public health interest to control myopia progression through efficient interventions ( Wildsoet et al., 2019). Moreover, these pathologies can lead to vision impairment and heavy economic burdens ( Zheng et al., 2013). This growing epidemic is a concern as the risk for myopia-related pathology is as high as 28.7% in the highly myopic population ( Wong et al., 2018). The prevalence of myopia is predicted to be 50% globally by the year 2050, with 10% being highly myopic ( Fricke et al., 2018). Concentric rings with aspherical lenslets had a significantly lower impact on both VA and CS than honeycomb configuration with spherical lenslets. At high spatial frequencies (>12 cpd) both SAL and HAL reduced CS significantly less than HC (all p < 0.01).Ĭonclusion: Short-term visual performance was minimally impaired by looking through the lenslet structure of myopia control spectacle lenses. The area under the log contrast sensitivity function (AULCSF) decreased with HAL and HC (all p 0.05) compared to SVL. VA changes induced by lenslets showed no correlation with spherical equivalent refraction (all p > 0.05) and were weakly positively associated with age for SAL ( r = 0.36, p = 0.01) and HC ( r = 0.31, p = 0.03), but not for HAL ( p = 0.30). VA in lenses with lenslets was significantly reduced compared to SVL (all p 0.05). Results: HAL and SAL had larger MTFa than HC. All tests were performed monocularly on the right eye with full correction. The modulation transfer function (MTF) and MTF area (MTFa) were used to determine optical quality. For each test, four spectacle lenses were evaluated in a random order: single-vision lens (SVL), lens with concentric rings of highly aspherical lenslets (HAL), lens with concentric rings of slightly aspherical lenslets (SAL), and lens with honeycomb configuration of spherical lenslets (HC). Distance visual acuity (VA) was measured in 50 myopic children contrast sensitivity (CS) was measured in 36 myopic children. Materials and Methods: This study utilized a cross-over design. Purpose: This study aimed to evaluate short-term visual performance and optical quality of three different lenslet configurations on myopia control spectacle lenses. 5R&D Essilor International, Créteil, France. 4R&D AMERA, Essilor International, Singapore, Singapore.3Wenzhou Medical University–Essilor International Research Center (WEIRC), Wenzhou, China.2National Clinical Research Center for Ocular Diseases, Wenzhou, China.1Eye Hospital and School of Ophthalmology and Optometry, Wenzhou Medical University, Wenzhou, China.Xue Li 1,2,3†, Chenglu Ding 1,2†, Yuhao Li 1,2, Ee Woon Lim 3,4, Yi Gao 3,4, Bruno Fermigier 5, Adeline Yang 3,4, Hao Chen 1,2,3* and Jinhua Bao 1,2,3*
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