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Diagnostic accuracy of confrontation visual field tests

DIAGNOSTIC ACCURACY OF CONFRONTATION VISUAL FIELD TESTS To the Editor: The diagnostic accuracy of confrontation visual fields was recently assessed by Kerr et al.,1 adding to the growing literature on evidencebased physical examination. The authors compared several common techniques with automated perimetry among patients recruited from a neuro-ophthalmology clinic. The authors concluded that confrontation techniques are fairly insensitive to detect visual field defects. However, the relevance of these findings to a general neurologist is limited by the high prevalence of visual field defects in the study population. A general neurologist often performs confrontation visual fields as part of a comprehensive examina-