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Contribution of manual and computerized perimetry to the differential diagnosis of optic neuropathies
M Zingirian1, M T Dorigo, E Gandolfo
1University Eye Clinic, Genoa, Italy.
Abstract:
The contribution given by manual perimetry to differential diagnosis of optic neuropathies is described. The advantages and the disadvantages of automated perimetry in respect to manual perimetry are examined. The programs to use for a more precise diagnosis and according to different pathology are also examined. The problems connected to perimetric interpretation are discussed. The value of global indices in evaluating the visual field as well as the importance of statistical program in comparing more than one test performed are reported. The review stresses the usefulness of automated perimetry in early diagnosis and in the follow up of optic nerve diseases.