June 2017
Volume 58, Issue 8
Open Access
ARVO Annual Meeting Abstract  |   June 2017
Correlation between macular features on spectral-domain optical coherence tomography images and visual outcome after vitreomacular traction surgery
Author Affiliations & Notes
  • PENG SUN
    Ophthalmology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States
    Ophthalmology, First hospital of China Medical University, Shenyang, Liaoning, China
  • Rachel Mary Tandias
    Ophthalmology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States
  • Gina Yu
    Ophthalmology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States
  • Jorge G Arroyo
    Ophthalmology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, United States
  • Footnotes
    Commercial Relationships   PENG SUN, None; Rachel Tandias, None; Gina Yu, None; Jorge Arroyo, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science June 2017, Vol.58, 5991. doi:
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    • Get Citation

      PENG SUN, Rachel Mary Tandias, Gina Yu, Jorge G Arroyo; Correlation between macular features on spectral-domain optical coherence tomography images and visual outcome after vitreomacular traction surgery. Invest. Ophthalmol. Vis. Sci. 2017;58(8):5991.

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

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Abstract

Purpose : To evaluate the correlations between macular features observed by spectral-domain optical coherence tomography (SD-OCT) and best corrected visual acuity (BCVA) after vitreomacular traction (VMT) surgery.

Methods : This consecutive retrospective study included 24 patients (29 eyes) with successfully resolved VMT by pneumatic vitreolysis (PV, n=9), intravitreal ocriplasmin (IVO, n=6) or pars plana vitrectomy (PPV, n=14). SD-OCT was used to obtain the pre- and postoperative macular features including length of the cone outer segment tips (COST) line defect, the inner segment/outer segment (IS/OS) junction defect, central retinal thickness (CRT), photoreceptor outer segment (PROS) thickness and size of the vitreomacular attachment area. The Snellen BCVA was converted to logarithm of the minimal angle of resolution (LogMAR) for analysis. Correlations between macular features and BCVA were determined using simple linear regression analysis and multivariable regression analysis.

Results : Both the COST line and IS/OS line defect were restored continuously along with BCVA improvement during the postoperative 12-month follow-up period. Postoperative BCVA was significantly correlated with length of the COST line defect at 1, 3, 6, and 12 months postoperatively (p<0.05) and with length of the IS/OS line defect at 1, 6, and 12 months postoperatively (p<0.05). However, forward stepwise regression analysis showed that BCVA was only significantly correlated with length of the COST line defect pre-operatively and 1, 3, 6, and 12 months postoperatively (p<0.05). Postoperative BCVA improvement at 12 months was significantly correlated with preoperative length of the COST line defect (p=0.0011). Postoperative BCVA improvement at 12 months can be calculated by the regression equation: BCVAI = 0.0005069*(length of preoperative COST line defect) – 0.0466316 (F=13.37, R2=0.3311, P=0.0011).

Conclusions : Recovery of the COST line and IS/OS line defect as observed by SD-OCT is positively associated with visual acuity improvement after successful VMT surgery. BCVA improvement may be predicted by length of the preoperative COST line defect.

This is an abstract that was submitted for the 2017 ARVO Annual Meeting, held in Baltimore, MD, May 7-11, 2017.

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