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This volume of the International Ophthalmology Clinics brings together for the first time the latest information available about the tears and clinical conditions related to tear deficiencies. Like other multiauthor books, it suffers from the repetition of ideas shared by many of the contributors. This repetition lengthens the book without adding more new information. Since this material was not presented at any meeting, there are none of the stimulating discussions that normally benefit such books.
Much is made of mucin deficiency as a cause of a type of dry eye syndrome, without convincing evidence that such a deficiency exists. The reduced goblet cell population might, in fact, be only correlated with, but not the cause of, conjunctival and corneal abnormalities in certain diseases. Before considerable effort is spent in developing mucin replacements, the causative role of mucin deficiency in the pathophysiology of some dry eye states should be demonstrated.
Thoft RA. The Preocular Tear Film and Dry Eye Syndromes: International Ophthalmology Clinics, vol 13.. Arch Ophthalmol. 1974;91(3):244. doi:10.1001/archopht.1974.03900060252030