September 2016
Volume 57, Issue 12
Open Access
ARVO Annual Meeting Abstract  |   September 2016
Comparison between refractive changes in macular hole and epiretinal membrane after lens-sparing vitrectomy.
Author Affiliations & Notes
  • Tetsuya Muto
    Academic Unit of Ophthalmology, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
  • Makoto Chikuda
    Academic Unit of Ophthalmology, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
  • Shigeki Machida
    Academic Unit of Ophthalmology, Dokkyo Medical University Koshigaya Hospital, Koshigaya, Saitama, Japan
  • Footnotes
    Commercial Relationships   Tetsuya Muto, None; Makoto Chikuda, None; Shigeki Machida, None
  • Footnotes
    Support  None in the support field
Investigative Ophthalmology & Visual Science September 2016, Vol.57, 1058. doi:
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      Tetsuya Muto, Makoto Chikuda, Shigeki Machida; Comparison between refractive changes in macular hole and epiretinal membrane after lens-sparing vitrectomy.. Invest. Ophthalmol. Vis. Sci. 2016;57(12):1058.

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      © 2017 Association for Research in Vision and Ophthalmology.

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Abstract

Purpose : We analyzed the progression of nuclear sclerosis based on changes in refractive values after lens-sparing vitrectomy for macular hole (MH) and epiretinal membrane (ERM).

Methods : We reviewed the medical records of patients who underwent lens-sparing vitrectomy between September 2011 and May 2015. All procedures were performed by one surgeon using Constellation® Vision System (Alcon Laboratories, Inc., Fort Worth, TX). We compared refractive changes in 25 eyes with MH (MH group; age, 65.5 ± 6.7 years) and 23 eyes with ERM (ERM group; age, 66.9 ± 7.6 years). All patients underwent 20-gauge pars plana vitrectomy that was finished by suturing three ports. Fluid–air exchange was performed during vitrectomy only in the MH group.

Results : There was no significant difference in patient age between the two groups (P = 0.059, unpaired t-test). Myopia progression rate (diopter/month) in the MH group after lens-sparing vitrectomy was higher than that in the ERM group (P = 0.039, unpaired t-test). In comparison with the ERM group, the MH group had several characteristics such as a high number of females (P = 0.016, chi-square test), long surgical time (P < 0.001, unpaired t-test), and frequent use of a surgical adjuvant (triamcinoline acetonide, P = 0.019; Brilliant blue green, P < 0.001; chi-square test).

Conclusions : Myopia progression rate is higher in cases of MH compared to that in cases of ERM because of the characteristics of the condition itself, including fluid-air exchange, a high number of females, long surgical time, and frequent use of a surgical adjuvant.

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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