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OPT 7062 Optometry Project III Effect of Sterilization Methods on the Reliability of the ICare Rebound Tonometer Andrew Young*, Seth Geiger*, Spencer Johnson† Word count 2,857 Three tables Submitted on 11/26/16 ABSTRACT Purpose. The ICare rebound tonometer is utilized in optometry, ophthalmology, and other health practices worldwide. The ICare tonometer utilizes disposable probes, which are often cleaned and reused. No data was present on whether this recycling of probes affected the reliability of the IOP measurements; this paper set out to determine whether cleansing and reuse affects reliability of the ICare tonometer. Methods. ICare tonometry was performed on subjects with sterilization performed with alcohol swabs between patients. The IOP readings produced each time were recorded and subsequent data trends analyzed. Results. Two tailed standard t-tests were performed on the obtained measurements, comparing the initial measurements with the second measurements obtained after first disinfection, and also between the initial measurements and the second disinfection. No statistically significant change was found between the groups. Cronbach’s alpha, an indicator for reliability of a testing procedure, was calculated for the data series and found to be 0.967, which indicates excellent reliability between the three data groups. Conclusion. The statistical tests obtained from the data did not show a statistical difference between the three groups and did show good reliability between the groups. The study concludes that reliability of the ICare tonometer probe is ilkely not affected by repeated disinfection and reuse. Key Words: ICare, tonometry, alcohol swab, probe _____________________________ *BS †OD Northeastern State University Oklahoma College of Optometry
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Title | 480 1 |
Contents | OPT 7062 Optometry Project III Effect of Sterilization Methods on the Reliability of the ICare Rebound Tonometer Andrew Young*, Seth Geiger*, Spencer Johnson† Word count 2,857 Three tables Submitted on 11/26/16 ABSTRACT Purpose. The ICare rebound tonometer is utilized in optometry, ophthalmology, and other health practices worldwide. The ICare tonometer utilizes disposable probes, which are often cleaned and reused. No data was present on whether this recycling of probes affected the reliability of the IOP measurements; this paper set out to determine whether cleansing and reuse affects reliability of the ICare tonometer. Methods. ICare tonometry was performed on subjects with sterilization performed with alcohol swabs between patients. The IOP readings produced each time were recorded and subsequent data trends analyzed. Results. Two tailed standard t-tests were performed on the obtained measurements, comparing the initial measurements with the second measurements obtained after first disinfection, and also between the initial measurements and the second disinfection. No statistically significant change was found between the groups. Cronbach’s alpha, an indicator for reliability of a testing procedure, was calculated for the data series and found to be 0.967, which indicates excellent reliability between the three data groups. Conclusion. The statistical tests obtained from the data did not show a statistical difference between the three groups and did show good reliability between the groups. The study concludes that reliability of the ICare tonometer probe is ilkely not affected by repeated disinfection and reuse. Key Words: ICare, tonometry, alcohol swab, probe _____________________________ *BS †OD Northeastern State University Oklahoma College of Optometry |