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The second edition of this standard text appeared in 1964. With the timely appearance of the present third edition, it now seems appropriate to refer to it as a classic monograph.
The advances that have occurred in clinical and laboratory perimetry during the intervening years more than justify this new edition. These include the development of static perimetry by Harms and Aulhorn and automated computerized campimetry by Lynn. The former has refined the diagnosis of early changes in the pericentral area of Bjerrum. The latter has given promise of rapid screening by an objective method.
Textual changes include revision of the chapter on the retina and that on methods of examination and special technique.
All the desirable features of the earlier edition have been retained, including the orderly progression of chapters and the superb illustrations. Moreover, the type has been reset in a larger, clearer font. Notwithstanding these improvements the