Optical sensing technology

Proven science. 20+ years in the making

Validated performance across movement and skin tones, AI-powered OPM ensures clinical accuracy.

Scientific foundation

Backed by decades of research, 100+ published studies and 30+ PhD graduates, Carelight’s OPM platform is built on rigorous science, not assumptions.

20+

Years of research

More than two decades of innovation, built on peer-
reviewed science.

100+

Published studies

Independent evidence proving accuracy and reliability across diverse patient groups.

30+

PhD graduates

A sustained pipeline of expertise across photonics, biomed and data science.

CE/FDA

Regulatory progress

Active pathways toward CE marking and FDA clearance for global deployment.

Performance proven in practice

Our data shows what conventional sensors can’t: AI-powered accuracy that holds across skin tones, patient groups and real-world conditions.

[ 1.0 ]

Across all skin tones

Validated accuracy where pulse oximetry and consumer wearables often fail.

[ 2.0 ]

Motion-robust monitoring

AI-enhanced algorithms maintain reliable readings during activity, exercise and daily life.

[ 3.0 ]

Inclusive design

Tested across demographics to ensure equity in every patient signal.

[ 4.0 ]

Cardiac accuracy

High-definition pulsatile wave analysis, with AI isolating fine features missed by standard PPG.

Active clinical studies

Ongoing studies are validating OPM’s AI-powered accuracy across diverse patients, hospitals and conditions – proving robustness in real-world clinical care.

[ ACTIVE ]
Q2 2025

Cardiac monitoring across skin tones

Multi-site study validating HR and HRV accuracy across melanin levels and demographics.

Participants → 500+
Sites → 5 hospitals

[ ACTIVE ]
Q2 2025

Motion artefact validation

Real-world performance testing during activity, exercise, and sleep monitoring, using AI-driven filtering to maintain accuracy.

Participants → 150+
Sites → 2 research centres

[ RECRUITING ]
Q2 2025

Post-surgical recovery monitoring

Continuous vital sign tracking for cardiac surgery patients transitioning from ICU to home care.

Participants → 200+
Sites → 4 hospitals

[ PLANNING ]
Q2 2025

Paediatric monitoring feasibility

Safety and efficacy evaluation for continuous monitoring in paediatric cardiac patients.

Participants → 100+
Sites → 3 children’s hospitals

Featured publications

Peer-reviewed research demonstrating the clinical efficacy, inclusivity and AI-driven innovation behind OPM.

Multispectral optoelectronic sensor to detect peripheral blood pulsatile variations with equivalent performance in human subjects with light, medium and dark skin tones.

In press Nature Scientific Reports, https://doi.org/10.1038/s41598-025-31116-9

French, M. et al.

Joint Attention Mechanism Learning to Facilitate Opto-physiological Monitoring during Physical Activity.

Biomed Sign Proce & Control, https://doi.org/10.1016/j.bspc.2025.108949
Hu, S. et al.

Rapid Vital Sign Extraction for Real-Time Opto-Physiological Monitoring at Varying Physical Activity Intensity Levels.

IEEE J Biomed Health Inform, 2023 Jul; 27(7):3107-3118. doi: 10.1109/JBHI.2023.3268240.
Hu, S. et al.

Opto-physiological modeling applied to photoplethysmographic cardiovascular assessment.

J Healthc Eng, . 2013; 4(4):505-28. doi: 10.1260/2040-2295.4.4.505.
Chen, L. et al.

World-class research team

Our multidisciplinary team brings together expertise in biomedical optics, AI-driven signal processing, clinical medicine and regulatory science. By collaborating with leading universities and clinical centres worldwide, we’re advancing the future of non-invasive, continuous monitoring.

Research roadmap

Upcoming studies and regulatory milestones on the path to clinical deployment.

2022
Foundation laid

Carelight founded; OPM development begins.

2023
Prototype proven

First fully wearable prototype tested.

2024
Clinical validation

Hypoxia clinical study completed.

2025
Prototype to product

First product prototype developed; FDA 510(k) 
documentation begins.

2026
Regulatory launch

FDA 510(k) submission for wrist-worn device; CE marking expected before year end.