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'''Myopic defocus''' is the technical term used by research papers to describe the [[blur#Myopic_vs_Hyperopic_Blur|blur]] caused by having the light focused in front of the retina. This is the typical symptom of uncorrected [[myopia]] (short-sightedness). Myopic blur can be induced by [[reduced lenses]] for [[myopes]] or [[plus lenses]] and looking in the distance. | '''Myopic defocus''' is the technical term used by research papers to describe the [[blur#Myopic_vs_Hyperopic_Blur|blur]] caused by having the light focused in front of the retina. This is the typical symptom of uncorrected [[myopia]] (short-sightedness). Myopic blur can be induced by [[reduced lenses]] for [[myopes]] or [[plus lenses]] and looking in the distance. | ||
Studies in animal subjects have shown it to induce compensatory axial shortening (hyperopia). It is the underlying mechanism exploited for the [[reduced lens method]]'s myopia reduction. | Studies in animal subjects have shown it to induce compensatory axial shortening<ref>https://www.sciencedirect.com/science/article/abs/pii/S0014483522002676?via%3Dihub Chromatically simulated myopic blur counteracts a myopiagenic environment</ref> (hyperopia). It is the underlying mechanism exploited for the [[reduced lens method]]'s myopia reduction. | ||
Appropriate amounts of myopic defocus when paired with a conducive environment induce axial shortening. Excessive myopic defocus or form deprivation (such as blur from diffusers) tend to induce [[axial elongation]], just like hyperopic defocus, or may result in no changes, which is called [[Blur adaptation]]. | Appropriate amounts of myopic defocus when paired with a conducive environment induce axial shortening. Excessive myopic defocus or form deprivation (such as blur from diffusers) tend to induce [[axial elongation]], just like hyperopic defocus, or may result in no changes, which is called [[Blur adaptation]]. |