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To the Editor.
—I read with interest the article by Sprague et al (Archives 98:465-468, 1980) concerning treatment of dissociated vertical deviation (DVD) with Cüppers' faden operation. With all due respect to these authors, Cüppers' faden operation as the authors correctly described is a posterior fixation suture procedure. The cases reported by Sprague et al were almost all done in association with a small superior rectus muscle recession of 3 to 5 mm; in very severe cases of DVD, a 6-mm inferior rectus muscle resection was done as well (I am 100% sure the herculean 60-mm inferior rectus muscle resection mentioned in the article is a typographical error).To my way of thinking, it is unfortunate that the authors evaluated this procedure in combination with horizontal surgery in 26 of the 34 patients manifesting DVD. It would have been ideal to have concentrated on those who had essentially a pure
Porter J. Dissociated Vertical Deviation. Arch Ophthalmol. 1980;98(11):2083. doi:10.1001/archopht.1980.01020040935031