July 2019
Volume 60, Issue 9
Free
ARVO Annual Meeting Abstract  |   July 2019
Stereopsis and retinal microstructure following macular hole surgery
Author Affiliations & Notes
  • Fumiki Okamoto
    Dept of Ophthalmology, University of Tsukuba, Tsukuba, IBARAKI, Japan
  • Yoshimi Sugiura
    Dept of Ophthalmology, University of Tsukuba, Tsukuba, IBARAKI, Japan
  • Takahiro Hiraoka
    Dept of Ophthalmology, University of Tsukuba, Tsukuba, IBARAKI, Japan
  • Tetsuro Oshika
    Dept of Ophthalmology, University of Tsukuba, Tsukuba, IBARAKI, Japan
  • Footnotes
    Commercial Relationships   Fumiki Okamoto, Alconpharma (F), Bayer (F), Nidek (F), Pfizer (F), Santen (F), Tsukuba University (P); Yoshimi Sugiura, Alconpharma (F), Bayer (F); Takahiro Hiraoka, Alconpharma (F), Ohtsuka (F), Pfizer (F), Santen (F); Tetsuro Oshika, Alcon (F), Alcon (C), HOYA (F), HOYA (C), Johnson & Johnson Vision (F), Johnson & Johnson Vision (C), Kai (F), Kowa (F), Mitsubishi Tanabe (C), Novartis (F), Otsuka (F), Pfizer (F), Santen (F), Santen (C), Senju (F), Tomey (F), Topcon (F)
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science July 2019, Vol.60, 5772. doi:
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      Fumiki Okamoto, Yoshimi Sugiura, Takahiro Hiraoka, Tetsuro Oshika; Stereopsis and retinal microstructure following macular hole surgery. Invest. Ophthalmol. Vis. Sci. 2019;60(9):5772.

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

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Abstract

Purpose : To evaluate time course of changes in stereopsis in patients undergoing vitrectomy for macular hole (MH), and to investigate the relationship between stereopsis and retinal microstructures with optical coherence tomography (OCT).

Methods : This study included 52 eyes of 52 patients who underwent successful vitrectomy for unilateral idiopathic MH and age-matched 20 normal subjects. We examined stereopsis using the Titmus Stereo Test (TST) and TNO stereotest (TNO), best-corrected visual acuity (BCVA) and OCT before surgery and 3,6 and 12 months after surgery. Based on the obtained OCT images, we quantified the following parameters: minimum and base diameters of MH, macular thickness, defect lengths of external limiting membrane (ELM), ellipsoid zone and interdigitation zone (IZ), and presence of fluid cuff.

Results : MH surgery significantly improved stereopsis in TST (p < 0.005) and in TNO (p < 0.005) as well as BCVA (p < 0.0001). Stereopsis in MH patients after surgery was significantly worse than normal subjects (p < 0.0001). Preoperative TST was significantly correlated with minimum and base diameters of MH (p < 0.01 and p < 0.01, respectively), and defect lengths of ELM (p < 0.01). Preoperative TNO was significantly associated with base diameters of MH (p < 0.05). Postoperative TST showed significant correlation with preoperative defect lengths of ELM (p < 0.05), and postoperative TNO was associated with preoperative defect lengths of IZ (p < 0.05).

Conclusions : Vitrectomy for MH significantly improved stereopsis, albeit not to a normal level.Defect lengths of ELM and IZ was found to be a predictor of postoperative stereopsis in patients with MH.

This abstract was presented at the 2019 ARVO Annual Meeting, held in Vancouver, Canada, April 28 - May 2, 2019.

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