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Keywords:

  • emmetropization;
  • myopia;
  • nearwork;
  • nearwork-induced transient myopia;
  • retinal defocus

Abstract

Myopia is a worldwide public health problem. However, its understanding is incomplete, and many of its preventative and therapeutic aspects remain controversial. Nearwork is a primary, environmentally based factor in the aetiology of permanent myopia (PM), with nearwork-induced transient myopia (NITM) being a possible contributory component. A relationship between PM and NITM has been suggested, but that connection has remained somewhat indirect and elusive. However, based on recent converging evidence from clinical, laboratory and modelling studies, a five-fold argument will be advanced for a possible link between PM and NITM.