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M. Goldstein, A. Loewenstein, Y. Lang, H. Katz, J. R. Ferencz, D. B. Roth, H. F. Fine, J. M. Weston, N. Mehta, R. Johnston; Stability in Statistical Distribution of Test Scores Obtained by Intermediate AMD Patients Monitored With a Home Device Perimeter. Invest. Ophthalmol. Vis. Sci. 2010;51(13):5350.
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© ARVO (1962-2015); The Authors (2016-present)
ForeseeHome is a home device perimeter, based on the technology of preferential hyperacuity perimetry, that was developed for frequent monitoring of patients with intermediate age related macular degeneration (AMD). The aim of the current analysis is to examine the longitudinal stability in test scores obtained by patients who regularly and frequently use this device.
ForeseeHome devices were mailed to homes of patients with intermediate AMD. Patients were instructed to connect their device to a modem line and to use it preferably on a a daily basis. All eyes with 50 tests or more were included in the analysis. Statistical distributions of the first 25 test scores and last 25 test scores were compared.
18 eyes (17 patients) performed an average of 96 tests (median: 91) in an average period of 192 (median: 189) days. The average frequency of usage was 3.7±1.4 per week. No statistically significant differences in the average (paired t-test analysis, p= 0.87) or standard deviation (paired t-test, p=0.65) of test scores were found when comparing the first 25 and last 25 tests.
In patients with intermediate AMD frequently monitored with the ForeseeHome for several months, statistical distribution of test scores is stable over time.
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