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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. doi: https://doi.org/.
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© ARVO (1962-2015); The Authors (2016-present)
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.
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.
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).
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.
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