April 2011
Volume 52, Issue 14
Free
ARVO Annual Meeting Abstract  |   April 2011
Spectral-Domain Optical Coherence Tomography Measurements and Postoperative Visual Acuity in Myopic Macular Retinoschisis
Author Affiliations & Notes
  • Yuto Iida
    Ophthalmology & Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
  • Masanori Hangai
    Ophthalmology & Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
  • Munemitsu Yoshikawa
    Ophthalmology & Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
  • Sotaro Ooto
    Ophthalmology & Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
  • Nagahisa Yoshimura
    Ophthalmology & Visual Sciences, Kyoto University Graduate School of Medicine, Kyoto, Japan
Investigative Ophthalmology & Visual Science April 2011, Vol.52, 2703. doi:
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      Yuto Iida, Masanori Hangai, Munemitsu Yoshikawa, Sotaro Ooto, Nagahisa Yoshimura; Spectral-Domain Optical Coherence Tomography Measurements and Postoperative Visual Acuity in Myopic Macular Retinoschisis. Invest. Ophthalmol. Vis. Sci. 2011;52(14):2703.

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

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Abstract

Purpose: : To determine clinical factors and structural measurements associated with postoperative visual acuity after vitrectomy for myopic macular retinoschisis.

Methods: : We reviewed the medical charts for 11 eyes of 11 patients who had myopic macular retinoschisis without a macular hole and underwent pars plana vitrectomy with internal limiting membrane peeling between May 2007 and January 2009. The patients were divided into the good (>2 lines) and poor improvement (≤2 lines) groups on the basis of changes in best-corrected visual acuity (BCVA) in Snellen equivalent. We compared the BCVA and structural measurements obtained using spectral-domain optical coherence tomography (SD-OCT) for the 2 groups. The choroidal thickness and height of foveal detachment were measured in the preoperative SD-OCT images. Central foveal thickness (CFT) and choroidal thickness were measured in the SD-OCT images obtained 12 months after surgery. Choroidal thickness was defined as the distance between the outer border of the retinal pigment epithelium and the inner scleral border at the central fovea. Data were analyzed using Pearson’s product-moment correlation coefficient and a two-sample t test.

Results: : The logarithm of minimum angle of resolution (logMAR) BCVA improved by 0.326 (0.422) at 12 months after surgery. The postoperative BCVA but not the changes in BCVA significantly correlated with the preoperative BCVA (r = 0.689, P < 0.05) and choroidal thickness (r = -0.738, P < 0.01) and the postoperative choroidal thickness (r = -0.674, P < 0.05) and CFT (r = -0.677, P < 0.05). Significant differences were observed between the 2 groups for age (P < 0.05) and preoperative choroidal thickness (P < 0.01); trends for differences were observed for preoperative BCVA (P = 0.063), postoperative CFT (P = 0.076), and postoperative choroidal thickness (P = 0.079).

Conclusions: : SD-OCT can measure structural parameters associated with postoperative BCVA. Age, preoperative BCVA, and preoperative choroidal thickness may be significant predictive factors for postoperative visual acuity in myopic macular retinoschisis.

Keywords: myopia • clinical (human) or epidemiologic studies: risk factor assessment • vitreoretinal surgery 
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