Factors associated with axial length elongation in high myopia in adults
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Sung Soo Kim. Department of Ophthalmology, Severance Hospital, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea. semekim@yuhs.ac

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    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.

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Hong Kyu Kim, Sung Soo Kim. Factors associated with axial length elongation in high myopia in adults. Int J Ophthalmol, 2021,14(8):1231-1236

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Publication History
  • Received:May 04,2020
  • Revised:July 16,2020
  • Adopted:
  • Online: June 28,2021
  • Published: