June 2020
Volume 61, Issue 7
Free
ARVO Annual Meeting Abstract  |   June 2020
Comparison of horizontal and vertical metamorphopsia and the relationship between metamorphopsia and preoperative factors in idiopathic macular hole.
Author Affiliations & Notes
  • SHOHEI NOMOTO
    Kagoshima University, Kagoshima, Japan
  • Hiroto Terasaki
    Kagoshima University, Kagoshima, Japan
  • Toshifumi Yamashita
    Kagoshima University, Kagoshima, Japan
  • Narimasa Yoshinaga
    Kagoshima University, Kagoshima, Japan
  • Seiji Sameshima
    Kagoshima University, Kagoshima, Japan
  • Makoto Shirasawa
    Kagoshima University, Kagoshima, Japan
  • Shozo Sonoda
    Kagoshima University, Kagoshima, Japan
  • Taiji Sakamoto
    Kagoshima University, Kagoshima, Japan
  • Footnotes
    Commercial Relationships   SHOHEI NOMOTO, None; Hiroto Terasaki, None; Toshifumi Yamashita, None; Narimasa Yoshinaga, None; Seiji Sameshima, None; Makoto Shirasawa, None; Shozo Sonoda, None; Taiji Sakamoto, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science June 2020, Vol.61, 4244. doi:
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      SHOHEI NOMOTO, Hiroto Terasaki, Toshifumi Yamashita, Narimasa Yoshinaga, Seiji Sameshima, Makoto Shirasawa, Shozo Sonoda, Taiji Sakamoto; Comparison of horizontal and vertical metamorphopsia and the relationship between metamorphopsia and preoperative factors in idiopathic macular hole.. Invest. Ophthalmol. Vis. Sci. 2020;61(7):4244.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose : To compare the vertical and horizontal metamorphoosia in idiopathic macular hole (MH) stages 3 and 4, in which the effect of vitreous traction in the macula is limited, and to examine the relationship between the metamorphopsia and preoperative findings.

Methods : Retrospective observational study. We enrolled the subjects with MH stage 3 and 4 who underwent the surgery at Kagoshima University Hospital. Age, preoperative visual acuity, horizontal and vertical degree of metamorphopsia using M-CHARTS (Inami Co, Japan), axial length were investigated from medical records. In addition, minimum horizontal and vertical macular hole diameter and base diameter were determined from preoperative optical coherence tomography images. The relationships between the degree of metamorphopsia and above factors were assessed with pearson's rank correlation coefficient.

Results : Subjects were 34 eyes of 33 men (Stage 3 -27 eyes, stage 4 -7 eyes) and 48 eyes of 45 women (Stage 3 -30 eyes, stage 4 -18 eyes). The mean age was 63.2 ± 12.1 years and preoperative visual acuity was 0.65 ± 0.32. The degree of metamorphopsia was significantly larger in the vertical direction than in the horizontal direction (0.86 ± 0.48 in vertical, 0.72± 0.47 in horizontal, p = 0.018). The minimum macular hole diameter and the bottom diameter were both larger in the horizontal direction (macular hole diameter: horizontal 315.037 ± 98.0, vertical 288.9 ± 107.6, p = 0.058; bottom diameter: horizontal 727.5 ± 232.0, vertical 651.7 ± 209.2, p = 0.03). In terms of the relationship between the degree of metamorphopsia and the above factors, statistically significant correlations were found between the vertical metamorphopsia and age (r=-0.23, p=0.03) and between the horizontal metamorphopsia and vertical macular hole diameter (r=0.23, p=0.04).

Conclusions : In MH stage 3 and 4, the metamorphopsia is larger in the vertical direction than in horizontal direction. Horizontally wider shape of the hole might contribute the symptoms and pathology in MH patients.

This is a 2020 ARVO Annual Meeting abstract.

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