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[Experimental simulation for determining optimal design parameters of a transpalpebral tonometry sensor]
E N Iomdina1, E A Klevtsov2, K V Ivanishchev2
1Helmholtz National Medical Research Center of Eye Diseases, 14/19 Sadovaya-Chernogryazskaya St., Moscow, Russian Federation, 105062.
Vestnik Oftalmologii
|February 5, 2020
Summary
Optimal design parameters for a transpalpebral tonometry sensor were determined using experimental simulation. A 16g sensor with a 1.5 or 3mm rod diameter is recommended for accurate intraocular pressure (IOP) measurement.
Area of Science:
- Ophthalmology
- Biomedical Engineering
- Medical Device Design
Background:
- Accurate intraocular pressure (IOP) measurement is crucial for diagnosing and managing glaucoma.
- Transpalpebral tonometry offers a non-invasive method for IOP assessment.
- Optimizing sensor design is key to improving the accuracy and reliability of transpalpebral tonometry.
Purpose of the Study:
- To determine the optimal weight and diameter of the rod for a transpalpebral tonometry sensor.
- To establish design parameters for a reliable and accurate transpalpebral IOP measurement device.
Main Methods:
- An experimental assembly was designed and utilized for in situ testing.
- Direct manometric technique was used to measure true intraocular pressure for comparison.
- Sensor parameters were selected by comparing tonometric and manometric pressure readings.
Main Results:
- No statistically significant differences were found between tonometric and manometric pressure measurements.
- Optimal sensor parameters include a weight of 16g and rod diameters of 1.5mm or 3mm.
- Eyelid thickness showed an insignificant dependence on tonometry data at high IOP levels.
Conclusions:
- The study successfully identified optimal design parameters for a transpalpebral IOP sensor.
- The developed transpalpebral tonometer is suitable for further clinical studies and dynamic IOP monitoring.
