A new screening tonometer, the Glauco-Test, has been evaluated by two experienced investigators, three medical students, three physician assistants, and has been used in a small glaucoma screening clinic. The tonometer was found to be simple, quick, and required only a small number of trials before proficiency and confidence were achieved. The level of intraocular pressures screened in this study was 22 mm Hg. There was a definite tendency for overreferral but few cases of elevated intraocular pressure were missed. Because of the simplicity of its use and accuracy at detecting abnormal pressures, this instrument would appear to be a useful screening device for use by physicians in general medical practice and in screening of large groups of patients by medical students and physician assistants if the problem of overreferral is accepted.
Kaiden JS, Zimmerman TJ, Worthen DM. An Evaluation of the GlaucoTest Screening Tonometer. Arch Ophthalmol. 1974;92(3):195–197. doi:10.1001/archopht.1974.01010010203002
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