Purchase this article with an account.
Abdallah A. Ellabban, Akitaka Tsujikawa, Sotaro Ooto, Kenji Yamashiro, Akiko Matsuomoto, Akio Oishi, Masahiro Miyake, Yumiko Akagi-Kurashige, Isao Nakata, Nagahisa Yoshimura; Macular Choroidal Thickness In Eyes With Inferior Posterior Staphyloma. Invest. Ophthalmol. Vis. Sci. 2012;53(14):2113.
Download citation file:
© ARVO (1962-2015); The Authors (2016-present)
To study the macular choroidal thickness in eyes with inferior posterior staphyloma using swept source optical coherence tomography (SS-OCT) at longer wavelength.
The macular area of 36 eyes of 26 patients with inferior posterior staphyloma was prospectively studied with an SS-OCT prototype system. This prototype SS-OCT system employs a tunable laser as a light source operated at 100,000 Hz A-scan repetition rate in 1 μm wavelength region. Using a raster scan protocol with 512 × 128 A scans, we produced a choroidal thickness map of the macula area (6 x 6 mm). By applying the grid used by the Early Treatment Diabetic Retinopathy Study to this map, the mean choroidal thickness and volume in each sector was calculated.
Thirty six eyes (26 patients) with inferior posterior staphyloma were included in the study; mean age 67.1±12.0 years, mean refractive error was -2.71±1.99 diopter, mean axial length was 24.78 mm and tilted disc was found in 29 (80.5%) eyes. Macular complications were choroidal neovascular membrane in 8 (22.2%) eyes, serous retinal detachment in 7 (19.4%) eyes and pigment epithelial detachment only in 2 (5.5%) eyes. SSOCT allowed visualization of the fine structures of the choroid as well as retina in all subjects. The choroid in the inferior quadrant (106.9 ± 51.2 µm) was significantly thinner, compared to superior quadrant (172.4 ± 71.9 µm, P < 0.001). The choroid in the temporal quadrant (148.5 ± 77.0 µm) was significantly thicker, compared to the nasal quadrant (88.2 ± 37.8 µm, P < 0.001).
Eyes with inferior posterior staphyloma have an asymmetric nature of macular choroidal thickness, which may be associated with the ocular complications.
This PDF is available to Subscribers Only