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July 1987

Echography in Ophthalmology

Arch Ophthalmol. 1987;105(7):901. doi:10.1001/archopht.1987.01060070037021

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In this second edition, the author expresses a dual purpose: to better inform the referring ophthalmologist of the indications for ophthalmic echography and to better educate the practicing ophthalmic echographer in the performance of examination techniques.

The author has performed ophthalmic ultrasonography since 1964, using both immersion and contact A-scan and B-scan systems. This relatively short book (81 pages) is based on Poujol's current philosophy of using contact B-scan, supplemented by an A-scan transducer (with a logarithmic amplifier), to detect, differentiate, and measure intraocular and orbital lesions.

"Unfortunately... the information provided is neither complete nor presented systematically enough."

Chapter 1 offers a brief description of the physics of ultrasound. In addition, it explains several display methods (ie, A-mode, B-mode, C-mode and M-mode), as well as the different types of amplifiers used.

Chapter 2 discusses instrument settings that may be adjusted by the echographer. It also offers the author's recommendations

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