Association of retinal thickness and optic disc-to-fovea angle to axial length of young healthy eyes

Takehiro Yamashita, Taiji Sakamoto, Hiroto Terasaki, Minoru Tanaka, Yuya Kii, Eisuke Uchino, Toshio Hisatomi, Kumiko Nakao

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Abstract

Aim: To determine the relationship between the axial length (AL) and the retinal thickness in the posterior pole and to the optic disc-to-fovea (ODF) angle of healthy eyes. Procedures: A prospective, observational cross-sectional study (registration number, UMIN000006040) of 64 healthy right eyes (mean age 26.0±4.5 years) was performed. The thickness of the 64 areas within the central 24° area were measured in the Spectralis spectral domain–optical coherent tomographic images obtained by posterior pole scans. Each area was 3°×3°. The ODF angle was measured in each fundus photograph. The relationships between the AL and the retinal thickness of each of the 64 areas and the ODF angle were investigated by linear regression analyses. Results: The mean AL was 25.0±1.3 mm and the mean ODF angle was 17.2°±1.0°. The average retinal thickness of the four areas around the fovea was constant and not significantly correlated with the AL. However, the retinal thicknesses of 54 of the other 60 areas were significantly and negatively correlated with the AL (R=-0.25 to -0.56, P<0.05). The ODF angle was also constant and not significantly correlated with the AL (R=-0.17, P=0.19). Conclusion: The lack of significant correlations between the AL and the retinal thicknesses of the central 6° or the ODF angle suggests that there might be some feedback system to keep the central retinal thickness and ODF angle constant regardless of an elongation of the AL.

Original languageEnglish
Pages (from-to)2235-2241
Number of pages7
JournalClinical Ophthalmology
Volume9
DOIs
Publication statusPublished - Nov 27 2015

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Optic Disk
Linear Models
Cross-Sectional Studies
Regression Analysis

All Science Journal Classification (ASJC) codes

  • Ophthalmology

Cite this

Yamashita, T., Sakamoto, T., Terasaki, H., Tanaka, M., Kii, Y., Uchino, E., ... Nakao, K. (2015). Association of retinal thickness and optic disc-to-fovea angle to axial length of young healthy eyes. Clinical Ophthalmology, 9, 2235-2241. https://doi.org/10.2147/OPTH.S93197

Association of retinal thickness and optic disc-to-fovea angle to axial length of young healthy eyes. / Yamashita, Takehiro; Sakamoto, Taiji; Terasaki, Hiroto; Tanaka, Minoru; Kii, Yuya; Uchino, Eisuke; Hisatomi, Toshio; Nakao, Kumiko.

In: Clinical Ophthalmology, Vol. 9, 27.11.2015, p. 2235-2241.

Research output: Contribution to journalArticle

Yamashita, T, Sakamoto, T, Terasaki, H, Tanaka, M, Kii, Y, Uchino, E, Hisatomi, T & Nakao, K 2015, 'Association of retinal thickness and optic disc-to-fovea angle to axial length of young healthy eyes', Clinical Ophthalmology, vol. 9, pp. 2235-2241. https://doi.org/10.2147/OPTH.S93197
Yamashita, Takehiro ; Sakamoto, Taiji ; Terasaki, Hiroto ; Tanaka, Minoru ; Kii, Yuya ; Uchino, Eisuke ; Hisatomi, Toshio ; Nakao, Kumiko. / Association of retinal thickness and optic disc-to-fovea angle to axial length of young healthy eyes. In: Clinical Ophthalmology. 2015 ; Vol. 9. pp. 2235-2241.
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