June 2023
Volume 64, Issue 8
Open Access
ARVO Annual Meeting Abstract  |   June 2023
Visual function and retinal morphology in idiopathic epiretinal membrane with and without pseudo-macular hole
Author Affiliations & Notes
  • SHUN TSUKAHARA
    Department of Ophthalmology, Toho Daigaku Iryo Center Ohashi Byoin, Meguro-ku, Tokyo, Japan
  • Asuka Takeyama
    Department of Ophthalmology, Toho Daigaku Iryo Center Ohashi Byoin, Meguro-ku, Tokyo, Japan
  • Masahiro Ishida
    Department of Ophthalmology, Toho Daigaku Iryo Center Ohashi Byoin, Meguro-ku, Tokyo, Japan
  • Footnotes
    Commercial Relationships   SHUN TSUKAHARA None; Asuka Takeyama None; Masahiro Ishida None
  • Footnotes
    Support  none
Investigative Ophthalmology & Visual Science June 2023, Vol.64, OD70. doi:
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      SHUN TSUKAHARA, Asuka Takeyama, Masahiro Ishida; Visual function and retinal morphology in idiopathic epiretinal membrane with and without pseudo-macular hole. Invest. Ophthalmol. Vis. Sci. 2023;64(8):OD70.

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

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Abstract

Purpose : To investigate visual acuity, metamorphopsia, and retinal structural changes before and after surgery for idiopathic epiretinal membrane (ERM) with and without pseudo-macula hole (MPH).

Methods : Fifty-three eyes of 50 patients with ERM underwent vitrectomy with cataract surgery between April 2020 and August 2022 and followed up at least 3 months postoperatively were enrolled: 43 eyes of 42 patients without MPH (MPH- group) and 10 eyes of 9 patients with MPH (MPH+ groups). Pre- and postoperative logMAR visual acuity, vertical and horizontal M-charts scores (MCV and MCH), and central foveal retinal thickness (CFT) were measured. Eyes with high myopia and ocular complications that may have affected visual function were excluded.

Results : In the MPH- group, visual acuity improved significantly at all postoperative visits (P <0.001-0.004). The average CFT decreased significantly at 1 month and 3 months postoperatively (P <0.001 ).
In the MPH+ group, MCV improved significantly at 1 week postoperatively (P=0.041). There were no differences in visual acuity and MCH between before and after surgery. Although there was no significant difference, the average CFT tended to be thicker postoperatively than preoperatively. Preoperative CFT was thinner in the MPH+ group than in the MPH- group (P <0.001).

Conclusions : The CFT decreases in eyes without the MPH and increases in eyes with the MPH after ERM surgery. The recovery of foveal morphology appears to contribute to gradual improvement of visual function and sensation of metamorphopsia.
After ERM surgery, decreased CFT in eyes without MPH and increased CFT in eyes with MPH restored foveal morphology, which appears to contribute to progressive improvement in visual acuity and metamorphopsia.

This abstract was presented at the 2023 ARVO Annual Meeting, held in New Orleans, LA, April 23-27, 2023.

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