Early Intervention for Premyopic Children

No power in the central optic zone of DIMS lens for premyopic children with normal vision. Before entering elementary school, eligible preschoolers are asked to wear the DIMS spectacles after kindergarten hours and during weekends and holidays. After entering elementary school, full-time mode wearing of DIMS spectacles is required.

daily use of non-preservative 0.01% atropine eye drop for each eye over the study period.