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  • Title: [Three dimensional analysis of the optic disc with scanning laser tomography].
    Author: Gierek-Lapińska A, Szymański A, Gierek-Kalicka S, Rzendkowski M, Janiec S.
    Journal: Klin Oczna; 1995 May; 97(5):117-21. PubMed ID: 7650880.
    Abstract:
    The aim the study was to evaluate the optic disc's topography, to compare it with conventional photographs and with defect of the visual field in glaucomatous patients. We performed our study in 18 glaucomatous and 19 healthy control subjects with laser topographic scanning ophthalmoscope (TopSS, Laser Diagnostic Technologies Inc.) and compared the results with those in the photographic method. Defect of the visual field was assessed with "Octopus 1-2-3" using the GL programme GL. A topographic image of the cup area in control subjects and the neuroretinal rim area in glaucomatous subjects obtained with TopSS was smaller than in the photographic method (p < 0.05 and p < 0.01 respectively). Mean values of cup volume in control and glaucomatous subjects were 0.222 mm3 (SD = 0.011) and 0.619 mm3 (SD = 0.021) respectively. A correlation between the optic disc parameters obtained in TopSS examinations and the mean defect of the visual field was statistically significant in glaucomatous patients. Topographic results of optic disc obtained by TopSS allow for an accurate assessment of optic nerve damage.
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