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Factors associated with axial length elongation in high myopia in adults

Authors
 Hong Kyu Kim  ;  Sung Soo Kim 
Citation
 INTERNATIONAL JOURNAL OF OPHTHALMOLOGY, Vol.14(8) : 1231-1236, 2021-08 
Journal Title
INTERNATIONAL JOURNAL OF OPHTHALMOLOGY
ISSN
 2222-3959 
Issue Date
2021-08
Keywords
axial length elongation ; fundus photography ; high myopia ; myopic complication
Abstract
Aim: To investigate the association of axial length (AL) and ocular factors on AL elongation.

Methods: A retrospective chart review of patients who underwent two or more AL examinations for more than two years. Totally 4 groups were divided according to initial AL (<24 mm, 24-26 mm, 26-28 mm, ≥28 mm). Initial fundus photograph was used to find risk factors associated AL elongation.

Results: The mean age of the patients was 47.21±7.79y. AL remained almost unchanged in the groups with AL<24 mm and 24≤AL<26 mm. On the contrary, AL increased by 0.011 mm/y in the group with 26≤AL<28 mm and 0.035 mm/y in the group with AL≥28 mm (P<0.001). In high myopia, AL elongation increased in eye with longer AL (r=0.003, P=0.024), female gender (r=0.014, P=0.019), eye with larger peripapillary chorioretinal atrophic area (r=0.002, P=0.019), and smaller vascular arcade angle (r=-0.004, P=0.006). The risk of elongation 0.03 mm/y in high myopia was increased in female gender (P=0.040), and gradually increased in eye with large peripapillary chorioretinal atrophy area (P<0.01).

Conclusion: AL elongate significantly in the eye with longer AL, female gender, and the eye with larger atrophic area and smaller arcade angle on fundus photography.
Files in This Item:
T202124871.pdf Download
DOI
10.18240/ijo.2021.08.15
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Ophthalmology (안과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Sung Soo(김성수) ORCID logo https://orcid.org/0000-0002-0574-7993
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/187568
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