Difference between revisions of Lens-induced myopia

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'''Lens-induced myopia''' is the researched phenomenon <ref>[https://scholar.google.com/scholar?hl=en&q=lens+induced+myopia Google Scholar list of Lens Induced Myopia studies]</ref> that wearing corrective lenses seems to cause myopia to worsen. Typically this occurs when lenses are either too [[overprescribed]], or when someone wears [[distance vision]] glasses for [[close-up]] use. This causes [[hyperopic defocus]], the mechanism likely to be the cause of lens-induced myopia.
'''Lens-induced myopia''' is the researched phenomenon <ref>[https://scholar.google.com/scholar?hl=en&q=lens+induced+myopia Google Scholar list of Lens Induced Myopia studies]</ref> that wearing corrective lenses seems to cause myopia to worsen. Typically this occurs when lenses are either too [[overprescribed]], or when someone wears [[distance vision]] glasses for [[close-up]] use. This causes [[hyperopic defocus]], the mechanism likely to be the cause of lens-induced myopia.<ref name="Proteomic analysis of chick retina during early recovery from lens‑induced myopia">
{{Cite journal |last=Zhou |first=Yun Yun |last2=Chun |first2=Rachel Ka Man |last3=Wang |first3=Jian Chao |last4=Zuo |first4=Bing |last5=Li |first5=King Kit |last6=Lam |first6=Thomas Chuen |last7=Liu |first7=Quan |last8=To |first8=Chi-Ho |date=2018-05-03 |title=Proteomic analysis of chick retina during early recovery from lens‑induced myopia |url=http://www.spandidos-publications.com/10.3892/mmr.2018.8954/abstract |journal=Molecular Medicine Reports |volume=18 |issue=1 |pages=59–66 |doi=10.3892/mmr.2018.8954 |issn=1791-2997}}</ref>


The actual mechanism is still an area of active research, but the underlying cause appears to be [[axial elongation]]<ref>
The actual mechanism is still an area of active research, but the underlying cause appears to be [[axial elongation]]<ref>
  {{cite journal| author=McBrien NA, Adams DW| title=A longitudinal investigation of adult-onset and adult-progression of myopia in an occupational group. Refractive and biometric findings. | journal=Invest Ophthalmol Vis Sci | year= 1997 | volume= 38 | issue= 2 | pages= 321-33 | pmid=9040464 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9040464  }}
  {{cite journal| author=McBrien NA, Adams DW| title=A longitudinal investigation of adult-onset and adult-progression of myopia in an occupational group. Refractive and biometric findings. | journal=Invest Ophthalmol Vis Sci | year= 1997 | volume= 38 | issue= 2 | pages= 321-33 | pmid=9040464 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9040464  }}
</ref>.
</ref>.
One of several hypotheses is that it is result of [[hyperopic defocus]].<ref name="Proteomic analysis of chick retina during early recovery from lens‑induced myopia">
{{Cite journal |last=Zhou |first=Yun Yun |last2=Chun |first2=Rachel Ka Man |last3=Wang |first3=Jian Chao |last4=Zuo |first4=Bing |last5=Li |first5=King Kit |last6=Lam |first6=Thomas Chuen |last7=Liu |first7=Quan |last8=To |first8=Chi-Ho |date=2018-05-03 |title=Proteomic analysis of chick retina during early recovery from lens‑induced myopia |url=http://www.spandidos-publications.com/10.3892/mmr.2018.8954/abstract |journal=Molecular Medicine Reports |volume=18 |issue=1 |pages=59–66 |doi=10.3892/mmr.2018.8954 |issn=1791-2997}}</ref>


It has been shown in studies that myopic defocus is protective against [[Myopia]] progression.<ref name="Long -term effects of optical defocus on eye growth and refractogenesis">
It has been shown in studies that myopic defocus is protective against [[Myopia]] progression.<ref name="Long -term effects of optical defocus on eye growth and refractogenesis">

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