June 2013
Volume 54, Issue 15
Free
ARVO Annual Meeting Abstract  |   June 2013
Choroidal imaging in gas-filled eye using swept source optical coherence tomography
Author Affiliations & Notes
  • Ichiro Maruko
    Ophthalmology, Fukushima Medical University, Fukushima, Japan
  • Yukinori Sugano
    Ophthalmology, Fukushima Medical University, Fukushima, Japan
  • Hiroshi Oyamada
    Ophthalmology, Fukushima Medical University, Fukushima, Japan
  • Tetsuju Sekiryu
    Ophthalmology, Fukushima Medical University, Fukushima, Japan
  • Tomohiro Iida
    Ophthalmology, Tokyo Women’s Medical University, Tokyo, Japan
  • Masahiro Akiba
    Topcon corporation, Tokyo, Japan
Investigative Ophthalmology & Visual Science June 2013, Vol.54, 1480. doi:
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    • Get Citation

      Ichiro Maruko, Yukinori Sugano, Hiroshi Oyamada, Tetsuju Sekiryu, Tomohiro Iida, Masahiro Akiba; Choroidal imaging in gas-filled eye using swept source optical coherence tomography. Invest. Ophthalmol. Vis. Sci. 2013;54(15):1480.

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

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Abstract

Purpose: Although postoperative retina in gas-filled eyes after pars plana vitrectomy has been observed by optical coherence tomography (OCT), postoperative choroidal state has never been tried. We evaluate the choroidal changes in gas-filled eyes using swept source (SS) OCT.

Methods: Subfoveal choroidal thicknesses were measured using SS-OCT (DRI-OCT, Topcon) with 1060 nm light source at baseline, one day after surgery, and one month after surgery for macular hole (MH) and rhegmatogenous retinal detachment (RRD). We also measured the intraocular pressure (IOP) at the same time.

Results: Forty-three eyes of 42 patients (20 men and 22 women, mean age 65-year-old) were included. Twenty-six eyes with MH and Seventeen eyes with RRD. Mean subfoveal choroidal thicknesses at baseline, one day after surgery, and one month after surgery were 205±105μm, 212±107μm, and 217±105μm in both cases. There is no significant difference in each thickness except for between baseline and one month after surgery (P=0.03). MH closure was confirmed one month after surgery in all 26 eyes with MH, of which unclosed MH was observed in 8 eyes (30.8%) one day after surgery. Mean IOP at baseline, one day after surgery, and one month after surgery had no change at all (13±3mmHg, 15±6mmHg, and 14±5mmHg, respectively).

Conclusions: Retina and choroid in gas-filled eyes after vitrectomy could be observed using SS-OCT. Choroidal thickness did not change one day after surgery unless IOP fluctuating. SS-OCT is useful to evaluate the retinal and choroidal condition in gas-filled eye.

Keywords: 452 choroid • 550 imaging/image analysis: clinical • 586 macular holes  
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