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Stratus Optical Coherence Tomography (stratus + optical_coherence_tomography)
Selected AbstractsStratus optical coherence tomography study of filtering blebs after primary trabeculectomy with a fornix-based conjunctival flapACTA OPHTHALMOLOGICA, Issue 1 2010Kazuyuki Hirooka Abstract. Purpose:, To investigate the relationship between filtering bleb function and Stratus optical coherence tomography (OCT) images. Methods:, We studied 72 eyes of 65 consecutive patients who had a fornix-based conjunctival flap in primary trabeculectomy with mitomycin C (MMC). Filtering blebs with various types of glaucoma were examined using Stratus OCT. Success rates were defined as intraocular pressure (IOP) , 15 mmHg and IOP reduction , 25% without medication or additional surgery. Success rates among classified groups were compared using Kaplan,Meier survival curves and the log-rank test. Results:, Blebs were classified into three different categories on the basis of the following Stratus OCT patterns: cystoid type (multiple cysts inside the bleb; 17 eyes), diffuse type (low to high reflective areas that were mixed inside the bleb; 31 eyes) and layer type (medium to high reflective layer inside the bleb; 24 eyes). Success rates in the cystoid-, diffuse- and layer-type blebs were 94%, 97% and 75% (P = 0.02), respectively. Conclusion:, In trabeculectomy with MMC and a fornix-based conjunctival flap, there is a significant association between the success rates and the postoperative Stratus OCT findings of filtering blebs. [source] Repeatability in and interchangeability between the macular and the fast macular thickness map protocols: a study on normal eyes with Stratus optical coherence tomographyACTA OPHTHALMOLOGICA, Issue 7 2009Urban Eriksson Abstract. Purpose:, To collect a normal material and to compare the macular and the fast macular thickness map protocols regarding normal values and repeatability. Methods:, Sixty-seven individuals underwent three repeated scans with the macular thickness protocol; 45 of them also had three scans with the fast thickness protocol in Stratus optical coherence tomography (OCT). The maps were divided into nine ETDRS fields, where thickness values were presented. The repeatability was calculated as intraclass correlation coefficient (ICC), coefficient of variance (CV) and coefficient of repeatability (CR). For comparison between the two protocols, limits of agreement were determined according to Bland,Altman. Results:, Normal values for the two protocols were very close. Repeatability was high. ICC for all areas was 0.92,0.98. CV was less than 1% and CR was 6,8 ,m for both protocols, with the exception of the fovea in the fast protocol (where CV was 1.44% and CR 12.4 ,m). Limits of agreement between the two protocols were less than 10 ,m as a rule. Conclusion:, Normal values for the protocols are equal and they both have excellent repeatability. The fast macular map is a good alternative with the possible exception of the fovea, where variation is twice that of the macular thickness map. [source] Leukaemic infiltration of the retina at onset of Philadelphia-positive acute lymphoblastic leukaemia revealed by stratus optical coherence tomographyBRITISH JOURNAL OF HAEMATOLOGY, Issue 5 2006Anna Candoni No abstract is available for this article. [source] | ||||||||||