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This is the second edition of Obrig's classic work, the first edition of which has already been reviewed in these Archives (28: 564 [Sept.] 1942). The statements then made still apply, but certain additions can be found in this edition. For example, new methods of molding are discussed, and the author's present technic is carefully described. He illustrates each device and procedure—casting shells, preparing the patient, making the mold and cast and duplicates of castings—by means of photographs, some of them new, and all of them excellent. Other additions include a new positive system of fitting, new information on solutions and a chapter on plastics. The bibliography has been brought up to 1946.
So far as the reviewer knows, this is the definitive textbook on contact glasses. Indeed, he knows of no other publication on the subject that approaches the compass of this scholarly work.
Bruce GM. Contact Lenses.. Arch Ophthalmol. 1948;39(1):117. doi:10.1001/archopht.1948.00900020120021