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In his preface, the author states that he wished to provide a concise useful manual. He has achieved his goal as the monograph is compact, well organized, and oriented toward practical clinical problems.
A brief description of the historical background of the development of tonography provides an introduction to the material found in the manual. In elucidating tonographic theory, appropriate emphasis is placed on assumptions and potential errors inherent in the measurement.
Consideration of tonographic equipment is complete, noting advantages and disadvantages as well as practical problems and relative costs of various tonometers, recorders, and allied equipment.
With meticulous attention to the smallest details, tonographic technique is carefully explained, as is the calculation and correction of results. Because of the practical approach, this section should be of benefit to the tonographic technician as well as the clinician.
Clinical tonography is critically considered as to its usefulness as well as practical
Johnstone MA. Manual of Tonography.. Arch Ophthalmol. 1972;87(3):362. doi:10.1001/archopht.1972.01000020364027