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Overestimation of uncorrected refractive error in Singapore teenagers
  1. Michael S Lee,
  2. Andrew R Harrison
  1. University of Minnesota, Minneapolis, Minnesota, USA
  1. Correspondence to: Dr M S Lee University of Minnesota, 420 Delaware St SE MMC 493, Minneapolis, MN 55125, USA; mikelee{at}

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We read with interest the recent article by Ho et al.1 The authors present a study of teenagers who underwent visual acuity testing, non-cycloplegic autorefraction (AR) and habitual refraction. The authors define myopia as a spherical equivalent (SE) of at least –1.00 diopters (D).

It has been reported that AR can overestimate myopia in …

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  • Competing interests: None declared.