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LONGITUDINAL CHANGES IN CHOROIDAL AND RETINAL THICKNESSES IN CHILDREN WITH MYOPIC SHIFT
Peiyao Jin1,2, Haidong Zou1,2, Xun Xu1,2
1Department of Preventative Ophthalmology, Shanghai Eye Disease Prevention and Treatment Center, Shanghai Eye Hospital, Shanghai, China.
Insights
Children
Area of Science:
- Ophthalmology
- Pediatric Eye Health
Background:
- Myopic shift is a growing concern in pediatric populations.
- Understanding retinal and choroidal development is crucial for myopia management.
Purpose of the Study:
- To investigate choroidal and retinal development in children.
- To analyze changes during myopic shift in pediatric subjects.
Main Methods:
- Longitudinal study of 118 children (7-12 years) over 1 year.
- Utilized cycloplegic refraction, axial length measurement, and swept-source OCT.
- Compared choroidal and retinal thickness changes in children with and without myopic shift.
Main Results:
- 74.6% of children experienced myopic shift.
- Significant central foveal choroidal thinning observed in those with myopic shift (P < 0.01).
- Axial length increase and choroidal thinning were independently associated with myopic shift.
Conclusions:
- Choroidal thinning is an early indicator of myopic progression in children.
- Axial elongation and choroidal thinning are key factors in pediatric myopic shift.
Purpose:
To elucidate the development of the choroid and retina in children, and to explore changes in these during myopic shift.
Methods:
A total of 118 children aged 7 to 12 years participated in this 1-year longitudinal study. Children underwent several examinations at baseline and follow-up, including cycloplegic refraction, axial length measurement, and swept-source optical coherence tomography. Thickness changes in the choroid and retina were compared among children with or without myopic shift.
Results:
Eighty-eight children (74.6%) developed a myopic shift after 1 year, and their central foveal choroid was significantly attenuated (P < 0.01). No significant change was observed in choroids of children without myopic shift (P = 0.83). Choroidal thickness decreased in all subfields during myopic shift, whereas the thickness of the retinal layers increased or were unchanged in most subfields. Axial length increase and central foveal choroidal thinning were associated with myopic shift (R = 0.157, P < 0.01), but axial length increase was not significantly related to choroidal thinning (P > 0.05).
Conclusion:
Choroidal thinning occurs early in myopic progression. Axial length increase and choroidal thinning are independently associated with myopic shift.
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