Home OCT study showed high patient satisfaction, agreement with in-office scans
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SEATTLE — The Home OCT scan system is reliable and easy to use, according to the results of an observational study presented at the American Society of Retina Specialists annual meeting.
“The objective of this trial was to see if the Home OCT unit worked from home outside the clinic setting. We wanted also to collect some data on the logistics of performing a larger trial in the future,” Kevin J. Blinder, MD, said.
Home OCT (Notal Vision) scans were also compared with in-office scans to verify agreement in fluid quantification.
Fourteen participants with newly diagnosed, treatment-naive neovascular age-related macular degeneration performed daily scans for 6 months and were treated according to the standard of care, based on in-office OCT scans. Participants received a mean of 5.6 injections during the 6-month follow-up, with a median gain of five letters.
“The scans per week were a mean of 6.3 and took less than a minute per eye,” Blinder said.
The Notal AI algorithm successfully quantified fluid.
“When we compared the Notal scans to the reading center grading of in-office OCT, we had a very high agreement rate of 84%. In all cases of disagreement, the fluid involved was very low, less than 10 nL,” he said.
In a Home OCT experience survey, all participants agreed or strongly agreed that the device setup and self-image requirements were very clear, that the device was easy to use and comfortable, and that scan time was very short.
“All but one participant responded that they would want to continue the daily scans on an ongoing basis, and we think that this would have been 100% if the participants would have known that the Home OCT was going to trigger visits to the office and injections to help take care of their disease process,” Blinder said.
As expected, he said, fluid curves were very heterogenous over time per participant. The ability to view individual fluid curves helped decide Home OCT criteria that prompt an office visit for randomized clinical trials.
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Blinder KJ, et al. Protocol AK Home OCT monitoring system: Feasibility study. Presented at: American Society of Retina Specialists annual meeting; July 28-Aug. 1, 2023; Seattle.
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