RT Journal
A1 WALKER CB
T1 THe time element in quantitative perimetry
JF Archives of Surgery
JO Archives of Surgery
YR 1929
FD April 1
VO 18
IS 4
SP 1036
OP 1048
DO 10.1001/archsurg.1929.01140130124005
UL http://dx.doi.org/10.1001/archsurg.1929.01140130124005
AB Among the more important reasons for the retarded development of quantitative perimetry since the first principles were laid before the Tenth International Medical Congress by Bjerrum,1 more than a third of a century ago, is the examinational time element. Twenty years slipped by before the work of Roenne2 brought the subject really to the front, and still another ten years before enough material was assembled for such a book as Peters has presented on the subject, or as appears in Traquair's splendid "Introduction to Clinical Perimetry."3It was not so clear to me that the time element was the real essence of the backwardness of the subject until about three or four years ago when I asked the chiefs of some of the larger clinics, as for instance, the Mayo Clinic, why the old method of perimetry was still used when the new quantitative method was known