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July 1974

Bulbar-Pressure Tests: Comparison of Data Obtained With Anterior, Lateral, and Posterior Compression of the Eyeball

Author Affiliations

Kazan, USSR
From the Department of Ophthalmology, Kazan Medical Institute, Kazan, USSR. Dr. Nesterov is now with the Department of Eye Diseases, Second Moscow Medical Institute.

Arch Ophthalmol. 1974;92(1):15-17. doi:10.1001/archopht.1974.01010010019005

Three bulbar-pressure techniques with anterior, lateral, and posterior compression of the eye with the force of 50 gm for three minutes were compared. Pressure and volume decrements calculated from the initial and final tonometric readings served as outflow indices. In 167 eyes of 133 normal and glaucomatous patients, the outflow indices were measured with two or three techniques. Both in normal eyes and in those with open-angle glaucoma, the mean value of the volume decrement after the anterior compression test was as much as 1.4 to 1.5 times greater than after the lateral compression test and 2.4 to 3.0 times greater than after the posterior compression technique. In most eyes with angle-closure glaucoma an increase in the intraocular pressure and the volume of the eyeball occurred after the posterior bulbar-pressure test.

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