This retrospective study evaluated efficacy of multi zone positive optical defocus lenses (DIMS) and fog vision and 0.01% atropine for the treatment of children with preclinical and early stages of myopia. Children were included if aged 6–14 years, with spherical equivalent refraction of +1.00 to -1.00D on cyclo refraction, astigmatism <2D cyl, and best corrected visual acuity of 0.0logMAR both eyes open. The study involved 96 children who were given their prescription based on the cyclo refraction with added +0.50D to the full prescription plus 0.01% atropine in both eyes once daily at night. There were 45 males (90 eyes) and 51 females (102 eyes). At baseline, boys were aged 9.28 ±1.99 years with axial lengths of mean 23.70 ±0.74mm and spherical equivalent of -0.21 ±0.55D; girls were aged 9.89 ±2.24 years, axial lengths of 23.33 ±0.68mm and spherical equivalent of -0.26 ±0.48D. Axial lengths and spherical equivalents at 1 year post treatment were 23.80 ±0.74mm and -0.29 ±0.61D for boys, and 23.45 ±0.70mm and -0.35 ±0.56D for girls. Most (86%) boys stayed in the green zone for physiological axial length growth rate, 7% in the yellow zone (moderate excessive growth rate) and 7% red zone (excessive growth rate). For girls, 88% stayed in the green zone, 7% yellow and 5% red zone. Both boys and girls showed a 0.14 axial length growth rate (mm/year). There were no significant differences in measurements for boys vs girls. The authors conclude the treatment showed significant control effects on myopia in preclinical/early myopia in children and propose timely treatment when a tendency to myopia is detected in children.
Combined DIMS and low dose atropine for preclinical/early-stage myopia treatment in children
Reviewed by Fiona Rowe
Effect of defocus incorporated multiple segments (Fog Vision +0.50D) combined with 0.01% atropine on the preclinical and early stages of myopia in children.
CONTRIBUTOR
Fiona Rowe (Prof)
Institute of Population Health, University of Liverpool, UK.
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