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L. M. Pierro, S. Cherubini Di Simplicio, L. Idone, S. Morlino; OCT/SLO versus OCT3 in the Diagnosis of Macular Cellophane. Invest. Ophthalmol. Vis. Sci. 2007;48(13):3857.
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OCT/SLO is a new retina layers imaging system that uses , differently from OCT3, both longitudinal and coronal scans (B-C-Scans).The aim of our study was to evaluate the differences between OCT3 and OCT/SLO in macular cellophane diagnosis.
50 consecutive out-patients (50 eyes) with altered fundus reflex (suspected macular cellophane) following biomicroscopy examination, and metamorphopsiae as symptoms, underwent OCT3 and OCT/SLO to confirm the diagnosis.The examinations were carried out, using the two different techniques, on the same day by two masked operators.
OCT3 confirmed the cellophane diagnosis in 30 eyes (60%). OCT/SLO performed in B-scan, confirmed the diagnosis in 32 patients (64%). In the residual 18 eyes, using OCT/SLO in C-Scan, cellophane resulted in 15 eyes. In the final 3 eyes the retina layer did not present morphological modification. To summarize, OCT/SLO permits a correct diagnosis in 47 eyes (94%). OCT3 in 30 eyes (60%).
OCT3 and OCT/SLO in longitudinal scans (B-Scans) give similar results. However, using OCT/SLO in C-Scan shows that it has superior diagnostic capacity compared to OCT3 due to its ability to study the interaction between the vitreous body and the retina.
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