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Peripapillary Retinal Nerve Fiber Layer Thickness Profile in Subjects with Myopia Measured Using the Stratus Optical Coherence Tomography
  1. Moon Jung Kim,
  2. Eun Ji Lee,
  3. Tae-Woo Kim
  1. Seoul National University Bundang Hospital, Seoul Natinal University College of Medicine, Korea, Republic of
  1. * Corresponding author; email: twkim7{at}snu.ac.kr

Abstract

Background/aims: To evaluate the relationship between the axial length and refractive error and peripapillary retinal nerve fiber layer(RNFL) thickness profiles measured using the Stratus optical coherence tomography(OCT) in subjects with myopia.

Methods: Forty-eight eyes of 48 myopic subjects were recruited and divided into three groups according to their spherical equivalent(SE):low (- 3.0 D < SE < 0.0 D), moderate (-6.0 D < SE ≤ -3.0 D) and high (SE ≤ -6.0 D) myopia groups. All individuals underwent the imaging with the Stratus OCT.The RNFL thickness profiles were compared between the groups.

Results: The global average RNFL was significantly thinner in the high myopia group than in the low myopia group(107.4 ± 7.6 vs.115.8 ± 8.5 μm, P = 0.029 by post hoc test). For quadrant measures, the RNFL was thicker in the low myopia group than in the moderate and/or high myopia groups for the superior, nasal and inferior quadrants(all P values≤0.020). However, the temporal quadrant was thinner in the low myopia group than in the moderate and high myopia groups (P=0.001).

Conclusion: High myopes had thinner RNFLs than did low myopes, and showed different topographic profiles. Although the high myopes had significantly thinner RNFLs in the nontemporal sectors compared with the low myopes, they showed a significantly thicker RNFL in the temporal quadrant.

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