Purpose: To evaluate the real-world utility of the ForeseeHome monitoring device (Notal Vision, Ltd., Tel Aviv, Israel) for the detection of conversion from intermediate age-related macular degeneration (iAMD) to neovascular AMD (nAMD) and to compare with results published by the Home Monitoring of the Eye (HOME) study. Design: Retrospective analysis of electronic health records. Participants: Eyes prescribed use of the ForeseeHome device across 4 retinal practices in the United States. Methods: Usage information was collected from the online ForeseeHome portal for all eyes prescribed the device. For a predetermined subset of eyes, additional clinical information was collected through chart review and analyzed for clinical utility. Main Outcome Measures: Frequency and length of use, number of eyes that used the device, number of eyes that established a baseline measurement, number of eyes that converted to nAMD, and number of alerts. Results: Seven hundred seventy-five eyes of 448 patients were prescribed use of the ForeseeHome device. Six hundred forty-nine eyes (83.7%) used the device at least once; among this population, 478 (73.7%) established a baseline measurement. Patients who established a baseline measurement were significantly younger than those who did not (P < 0.001). Among eyes that established a baseline measurement, 126 (26.4%) had an overall inadequate frequency of use (≥2 tests per week), and 250 (52.3%) did not use the device as frequently as instructed by the manufacturer (≥3 tests per week); 24.7% of eyes discontinued use within 1 year. Of the 136 eyes that established a baseline measurement among 211 eyes prescribed the device at 1 clinical site, 52 alerts were recorded; 3 (6.8%) correctly identified conversion to nAMD and 47 (93.2%) represented false-positive alerts. Conclusions: Compared with the prospective HOME study, the utility of the ForeseeHome device in the current analysis of clinical practice application was limited. A meaningful proportion of eyes never used the device or could not establish a baseline measurement. Overall frequency of use was low, and continuous use of the device decreased over time. A need exists for improvement in home monitoring technology for eyes with iAMD at risk of conversion to nAMD.
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