September 2016
Volume 57, Issue 12
Open Access
ARVO Annual Meeting Abstract  |   September 2016
Time course of changes in aniseikonia following vitrectomy for macular hole
Author Affiliations & Notes
  • Yuki Moriya
    University of Tsukuba, Tsukuba, Japan
  • Fumiki Okamoto
    University of Tsukuba, Tsukuba, Japan
  • Yoshimi Sugiura
    University of Tsukuba, Tsukuba, Japan
  • Tomoya Murakami
    University of Tsukuba, Tsukuba, Japan
  • Yoshifumi Okamoto
    University of Tsukuba, Tsukuba, Japan
  • Tetsuro Oshika
    University of Tsukuba, Tsukuba, Japan
  • Footnotes
    Commercial Relationships   Yuki Moriya, None; Fumiki Okamoto, None; Yoshimi Sugiura, None; Tomoya Murakami, None; Yoshifumi Okamoto, None; Tetsuro Oshika, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science September 2016, Vol.57, 1086. doi:
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      Yuki Moriya, Fumiki Okamoto, Yoshimi Sugiura, Tomoya Murakami, Yoshifumi Okamoto, Tetsuro Oshika; Time course of changes in aniseikonia following vitrectomy for macular hole. Invest. Ophthalmol. Vis. Sci. 2016;57(12):1086.

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      © 2017 Association for Research in Vision and Ophthalmology.

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Abstract

Purpose : To quantify the degree of aniseikonia in patients undergoing vitrectomy for macular hole (MH), and to investigate the relationship between aniseikonia and foveal microstructures with spectral-domain optical coherence tomography (SD-OCT).

Methods : This study included 50 eyes of 50 patients with idiopathic MH. We evaluated aniseikonia with the New Aniseikonia Test and retinal microstructure with SD-OCT before and 3 and 6 months after surgery. Based on the obtained OCT images, we quantified the following parameters using an image-processing program: hole height, minimum diameter, and base diameter of MH.

Results : Before surgery, 25 of 50 patients (50%) had micropsia, 6 patients (12%) had macropsia, and 19 patients (38%) had no aniseikonia. Mean preoperative aniseikonia was 3.0% [range -14% ~ +5%]. Postoperative aniseikonia at 3 months and 6 months was 1.3% and 1.6%, respectively, which significantly improved from the preoperative level. Preoperative aniseikonia was not associated with postoperative aniseikonia (p = 0.22). Preoperative and postoperative aniseikonia was significantly related to the base diameter of MH (p<0.05 and p<0.05, respectively).

Conclusions : Half of the patients with MH exhibited micropsia, which improved by surgery. The amount of aniseikonia was associated with the base diameter of MH.

This is an abstract that was submitted for the 2016 ARVO Annual Meeting, held in Seattle, Wash., May 1-5, 2016.

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