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Axial length shortening in a myopic child with anisometropic amblyopia after wearing violet light-transmitting eyeglasses for 2 years.

Authors
  • Ofuji, Yoshiko1
  • Torii, Hidemasa1, 2
  • Yotsukura, Erisa1, 2
  • Mori, Kiwako1, 2
  • Kurihara, Toshihide1, 2
  • Negishi, Kazuno1
  • Tsubota, Kazuo1, 3
  • 1 Department of Ophthalmology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan. , (Japan)
  • 2 Laboratory of Photobiology, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo, 160-8582, Japan. , (Japan)
  • 3 Tsubota Laboratory, Inc., 304 Toshin Shinanomachi-ekimae Bldg., 34 Shinanomachi Shinjuku-ku, Tokyo, 160-0016, Japan. , (Japan)
Type
Published Article
Journal
American Journal of Ophthalmology Case Reports
Publisher
Elsevier
Publication Date
Dec 01, 2020
Volume
20
Pages
101002–101002
Identifiers
DOI: 10.1016/j.ajoc.2020.101002
PMID: 33364519
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

To report a case in which the axial length (AL) shortened and the choroid thickened due to the use of violet light-transmitting eyeglasses. A 4-year-old boy with high myopia was referred to Keio University Hospital. He was prescribed standard eyeglasses. Six months after the first visit, his best-corrected visual acuities were 1.2 and 0.4 in the right and left eyes, respectively, with the standard eyeglasses, and he was diagnosed with anisometropic amblyopia. The right eye then was patched for 6 hours daily during the daytime. Because of the availability of violet light-transmitting eyeglasses, we changed the eyeglasses and instructed his parents to have him engage in outdoor activities for over 2 hours daily to be exposed to sufficient violet light. As a result, the violet light entered his left eye and minimal violet light entered his right eye. The changes in the ALs, choroidal thicknesses, and cycloplegic objective refractions in the right and left eyes during 2 years of wearing violet light-transmitting eyeglasses were +0.85 and -0.20 mm, +4.9 and + 115.7 μm, and -1.02 and + 1.88 D, respectively. We successfully described a case in which the myopia improved, the AL shortened, and the choroid thickened after using violet light-transmitting eyeglasses. © 2020 The Authors.

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