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Mr. Salvatori was trained by Theodore Obrig, but this book is, perhaps intentionally, much more superficial than Obrig's classic work (Obrig, T.: Contact Lenses, Arch. Ophth.28:568 [Sept.] 1942). The author is apparently a skilful and experienced technician, and his descriptions of the molding, casting and fitting procedures are aided by excellent photographs and diagrams. The methods discussed are well known, and nothing will be gained by abstracting them here.
It is not easy to determine for what professional level the book is intended. Perhaps the answer may be surmised from the glossary at the end. Here the reader will learn that anterior means "in front of," that medial means "pertaining to the middle" and that an opaque object "does not permit the passage of light." Putting in a contact glass is known as its "insertion," and the reader who wishes to know what taking it out is called
Bruce GM. A Scientific Method of Fitting Contact Glasses.. Arch Ophthalmol. 1947;38(5):734. doi:10.1001/archopht.1947.00900010751019