Pressure Phosphene Self-Tonometry: A Comparison with Goldmann Tonometry in Glaucoma Patients
Investigative Ophthalmology & Visual Science2004Vol. 45(9), pp. 3131–3131
Citations Over TimeTop 10% of 2004 papers
Dennis S.C. Lam, Dexter Y.L. Leung, Thomas Y.H. Chiu, Dorothy S.P. Fan, Eva Y. Y. Cheung, Tien Yin Wong, Jimmy S.M. Lai, Clement C. Tham
Abstract
With proper training and technique, self-tonometry with the PPT appears to be accurate up to at least 25 mm Hg and is reproducible. The PPT was sensitive and specific in detecting an elevated IOP of more than 21 mm Hg. As patients were expected to seek ophthalmic care before the self-measured IOP reaches 25 mm Hg, the PPT may have a value for self-monitoring. Patients rated the PPT as satisfactory for home use. Because the PPT is portable and relatively inexpensive and requires no topical anesthesia or direct contact with the eyeball, it may have potential as an instrument for home self-tonometry.
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