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The format of this booklet is nearly unknown in this country. It is what the Germans call a Vademecum (you can carry it with you) or a Taschenbuch (you can put it into your pocket). If one accepts Professor Cüppers' ideas concerning pathogenesis and treatment of amblyopia and binocular maladjustment, one cannot get a better or more faithful guide to his diagnostic and therapeutic techniques.
This is not a textbook, not an essay, not an analysis of cases, of results or failures. There are two pages devoted to definitions and classifications, and none to pathogenesis or theory. The rest is pure how-to-do-it. It covers all phases of diagnostic work-up and therapeutic manipulation in less than 120 small pages. I must especially and favorably comment on such items as the different correspondence tests with the Maddox cross (among them the so-called Giessen-test) and the diagnostic and therapeutic uses of afterimages, polarized
Linksz A. Pleoptik und Orthoptik.. Arch Ophthalmol. 1966;76(1):156-157. doi:10.1001/archopht.1966.03850010158032