CompletedHeart, Stroke & BloodNIHR-supported projectDigestion, Kidneys & Other Organs
Real World Evaluation of Lifelight®: A contactless vital signs monitor for self-monitoring blood pressure and its comparison to standard of care : The VISION-RWE study
Recipient organisationNIHR Barts Biomedical Research Centre
NIHR supportRecorded as supported by this research centre
PeriodFeb 2025 — Nov 2025
In plain English
AI plain-English summary
A simple smartphone app could replace the arm cuff for monitoring high blood pressure at home. The VISION-RWE study will test whether Lifelight, a contactless software that measures blood pressure using only a phone camera, works as well as the standard upper-arm cuff. 500 patients with poorly controlled high blood pressure will be recruited; half will use Lifelight, half will use a traditional cuff. Over six months, researchers will compare how well each group controls their blood pressure, and whether one method is easier or more reliable for patients to use consistently. If Lifelight proves effective, it could remove a major barrier to home monitoring. Many people find cuffs uncomfortable, fiddly, or difficult to use correctly. A contactless option that requires no calibration and no extra hardware could make self-monitoring far more accessible, especially for older adults or those with limited dexterity. Better home monitoring could help more patients keep their blood pressure at safe levels, reducing the risk of heart attacks and strokes. The study also gathers patient feedback through diaries and interviews, ensuring the technology works in real life, not just in a lab.
View original technical description
The VISION-RWE study aims to test whether a novel software-based blood pressure (BP) monitor called Lifelight is as good as the conventional method of home blood pressure monitoring for helping people with high BP keep their blood pressure at safe levels. Lifelight allows patients to monitor their blood pressure contactlessly, without needing to do any calibration and using only their smartphone. The conventional method is a popular upper-arm blood pressure cuff and monitor.Study participants (18 yrs & older) will be patients with high blood pressure who are not at target for their blood pressure control. 500 participants will be recruited and monitored at William Harvey Clinical Research Centre, Barts Health NHS Trust. 250 participants will be provided Lifelight and the other 250 will be provided a standard blood pressure cuff and monitor. They will be asked to use these devices to monitor their blood pressure for at least 1 week each month, lasting for 6 months. They will be seen in the clinic 3 times (at the beginning, after 3 months and after 6 months) as part of the study for study nurses to evaluate if their blood pressure control is improving by self-monitoring as they progress through the study.Participants will note down the home blood pressure measurements they make in between these clinic visits in a paper diary. They will also record their experiences of using the traditional cuff-based blood pressure monitor or smartphone app assigned to them, details about any GP visits, hospital admissions etc that they have while they are in the study in this same diary. They will complete questionnaires about their quality of life, lifestyle and blood pressure monitoring habits in a questionnaire booklet on 3 occasions. Some participants using Lifelight will be invited to have an interview about their experiences in the study.
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