Publisher's Synopsis
Excerpt from Transactions of the Ophthalmological Society of the United Kingdom, Vol. 41: Session 1921 With List of Officers, Members, Etc
New ideas, new methods of investigation and of. Treatment are continuallv crowding in upon us. Perimetry and the examination Of the central field for colour defects, absolute and relative scotomata are playing larger parts in our investigations; it behoves us to remember the personal equation, when we are employing these methods, if right value is to be attached to their results. One investigator's charts will rarely be found to coincide with those Of another on the same patient. Only when a surgeon has stereotyped his own personal equation, and controls that of his patient, will his results on the same case at successive dates be reliable for clinical purposes. Comparative records even of acuteness of central vision must be misleading as to the progress or amelioration of disease, unless at every testing the best effort is exacted from the patient.
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