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To understand strabismus, one needs a tutor. The student must trust an experienced guide to create cohesive concepts out of a confusing body of opinion, tradition, and fact. He should seek to maximize truth but shouldn't expect perfection. This is, after all, an imperfect field.
The book that Dr Parks has written will appeal to the student who wants a consistent opinion and will challenge those whose opinions differ. Yet, the book's beginning may discourage the reader. The early chapters seem to be included out of duty rather than interest. Dr Parks fares no better than those authors who preceded him with such subjects as "Single Binocular Vision," "Alignment," "Vergences," and "Sensorial Adaptations in Strabismus." We shouldn't fault him for it; some subjects seem by their very nature to be almost hopeless. To me, the book's real value begins with his discussion of the deviations. From there on, it almost
Bienfang DC. Ocular Motility and Strabismus. Arch Ophthalmol. 1976;94(5):874. doi:10.1001/archopht.1976.03910030438025