biostudies-literatureLam CSYHoya Corporation363-368https://www.ebi.ac.uk/biostudies/studies/S-EPMC7041503biostudies-literatureUnknown104(3)<h4>Aim</h4>To determine if 'Defocus Incorporated Multiple Segments' (DIMS) spectacle lenses slow childhood myopia progression.<h4>Methods</h4>A 2-year double-masked randomised controlled trial was carried out in 183 Chinese children aged 8-13 years, with myopia between -1.00 and -5.00 D and astigmatism ≤1.50 D. Children were randomly assigned to wear DIMS (n=93) or single vision (SV) spectacle lenses (n=90). DIMS lens incorporated multiple segments with myopic defocus of +3.50 D. Refractive error (cycloplegic autorefraction) and axial length were measured at 6month intervals.<h4>Results</h4>160 children completed the study, n=79 in the DIMS group and n=81 in the SV group. Average (SE) myopic progressions over 2 years were -0.41±0.06 D in the DIMS group and -0.85±0.08 D in the SV group. MeThe British journal of ophthalmologyDefocus Incorporated Multiple Segments (DIMS) spectacle lenses slow myopia progression: a 2-year randomised clinical trial.PMC7041503collaborative research PolyU grant H-ZG3B &amp; 1-87LKTse DYQi HTang WCTo CHChun RKMLee RPKHatanaka TLam CSYHasegawa KfalseDefocus Incorporated Multiple Segments (DIMS) spectacle lenses slow myopia progression: a 2-year randomised clinical trial.<h4>Aim</h4>To determine if 'Defocus Incorporated Multiple Segments' (DIMS) spectacle lenses slow childhood myopia progression.<h4>Methods</h4>A 2-year double-masked randomised controlled trial was carried out in 183 Chinese children aged 8-13 years, with myopia between -1.00 and -5.00 D and astigmatism ≤1.50 D. Children were randomly assigned to wear DIMS (n=93) or single vision (SV) spectacle lenses (n=90). DIMS lens incorporated multiple segments with myopic defocus of +3.50 D. Refractive error (cycloplegic autorefraction) and axial length were measured at 6month intervals.<h4>Results</h4>160 children completed the study, n=79 in the DIMS group and n=81 in the SV group. Average (SE) myopic progressions over 2 years were -0.41±0.06 D in the DIMS group and -0.85±0.08 D in the SV group. Me2020-01-01T00:00:00Z2020 Mar2026-06-16T03:13:20.399Z2026-06-16T03:07:19.502ZS-EPMC70415033114246510.1136/bjophthalmol-2018-313739