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Evaluation of a self tonometer for home use
Archives of Ophthalmology (Chicago, Ill. : 1960)
|November 1, 1983
Summary
Home monitoring of intraocular pressure (IOP) for glaucoma patients is clinically significant. An upgraded home tonometer shows reliable accuracy and reproducibility, making patient self-monitoring feasible.
Area of Science:
- Ophthalmology
- Biomedical Engineering
Background:
- Home monitoring of intraocular pressure (IOP) is crucial for managing glaucoma.
- Lack of a suitable home tonometer has hindered patient self-monitoring.
- Previous attempts at home tonometry faced limitations in accuracy and usability.
Purpose of the Study:
- To present an upgraded home tonometer designed for patient self-use.
- To evaluate the accuracy and reproducibility of the novel home tonometer.
- To assess the feasibility of home IOP monitoring in glaucoma patients.
Main Methods:
- An upgraded home tonometer was developed for patient self-administration.
- The device was tested on 37 eyes of 22 glaucoma patients.
- Intraocular pressure measurements were compared against the Goldmann applanation tonometer.
Main Results:
- The home tonometer demonstrated high reproducibility (1.7 mm Hg at 20 mm Hg IOP).
- Measurements showed strong correlation with Goldmann applanation tonometry (r = .89).
- The home tonometer's accuracy was 2.5 mm Hg, comparable to conventional methods.
Conclusions:
- The upgraded home tonometer provides reliable IOP measurements for glaucoma patients.
- Patient self-monitoring of IOP at home is now a viable clinical option.
- This technology can significantly aid in the management and treatment of glaucoma.