In the Department of Ophthalmology at the University of Michigan it was noted that the peripheral fields rarely demonstrated a defect that the central fields (Bjerrum screen) failed to show. It was this observation that initiated the present study. In this paper it is not our intention to discuss the ultimate fine points that might be gleaned with research field techniques but rather to emphasize that our methods closely approximate the techniques used in the average clinic and ophthalmologist's office.J. P. F. Lloyd summed up the situation well by stating, "... there is no provision for anything between the magnificent fields taken by Traquair and his literal followers which appear in publications such as that of Hughes (1943) on the one hand, and on the other the hurried scrawlings and weird frescoes found attached to hospital notes, such as these.... It is important to realize that only in ideal
BLUM FG, GATES LK, JAMES BR. How Important Are Peripheral Fields? AMA Arch Ophthalmol. 1959;61(1):1–8. doi:10.1001/archopht.1959.00940090003001
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