[Particular clinical situations in the glaucoma patient. True or false deterioration of the visual field?].
Measurement errors, correction errors, head position errors, changes in strategy, fluctuations. There are many parameters influencing the results of visual field measurement. When in doubt, it is indispensable to repeat the examination before concluding that the results have deteriorated. In addition to the qualitative assessment, the analysis of global indices can pinpoint the degree of visual field deterioration.
Centre du Glaucome--Hôpital des XV-XX, 28 rue de Charenton, 75012 Paris.
J-P
JP
Nordmann
D000465:Algorithms; D005901:Glaucoma / Q000175:diagnosis; D006801:Humans; D006956:Hyperopia / Q000175:diagnosis; D009216:Myopia / Q000175:diagnosis; D012621:Seasons; D013997:Time Factors; D058609:Visual Field Tests; D014794:Visual Fields