Home monitoring for glaucoma

Hamzah, Jemaima Che; Daka, Qëndresë; Azuara‐Blanco, Augusto

doi:10.1038/s41433-019-0669-7

Cited by 28 publications

(29 citation statements)

References 49 publications

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“…The “Goldmann Applanation Tonometer” is the conventional device used to measure IOP. [ 49,224–227 ] However, for continuous IOP monitoring, different approaches have been presented, such as impedance measurement technique [ 228,229 ] that can be utilized like contact lenses, or whole microsystems [ 230 ] that can be implanted inside a patient's eye. Nevertheless, several challenges for this sensing application have been reported including sensor flexibility, high system costs, availability of contact area, and biocompatibility.…”

Section: Applications Of Flexible Capacitive Pressure Sensormentioning

confidence: 99%

Recent Progress on Flexible Capacitive Pressure Sensors: From Design and Materials to Applications

Mishra

El‐Atab

Hussain

et al. 2021

Adv Materials Technologies

216

117

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For decades, the revolution in design and fabrication methodology of flexible capacitive pressure sensors using various inorganic/organic materials has significantly enhanced the field of flexible and wearable electronics with a wide range of applications in aerospace, automobiles, marine environment, robotics, healthcare, and consumer/portable electronics. Mathematical modelling, finite element simulations, and unique fabrication strategies are utilized to fabricate diverse shapes of diaphragms, shells, and cantilevers which function in normal, touch, or double touch modes, operation principles inspired from microelectromechanical systems (MEMS) based capacitive pressure sensing techniques. The capacitive pressure sensing technique detects changes in capacitance due to the deformation/deflection of a pressure sensitive mechanical element that alters the separation gap of the capacitor. Due to advancement in state‐of‐the‐art fabrication technologies, the performance and properties of capacitive pressure sensors are enhanced. In this review paper, recent progress in flexible capacitive pressure sensing techniques in terms of design, materials, and fabrication strategies is reported. The mechanics and fabrication steps of paper‐based low‐cost MEMS/flexible devices are also broadly reported. Lastly, the applications of flexible capacitive pressure sensors, challenges, and future perspectives are discussed.

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Section: Applications Of Flexible Capacitive Pressure Sensormentioning

confidence: 99%

Recent Progress on Flexible Capacitive Pressure Sensors: From Design and Materials to Applications

Mishra

El‐Atab

Hussain

et al. 2021

Adv Materials Technologies

216

117

View full text Add to dashboard Cite

show abstract

“…In short, the status quo of hospital-only VF monitoring is costly and insufficient. The solution may lie in home-monitoring 14 , 21 , 22 . By collecting additional VF data between appointments, hospital visits could be shortened, and in low-risk patients appointments could be reduced in frequency or conducted remotely: decreasing demand on outpatient clinics.…”

Section: Introductionmentioning

confidence: 99%

“…Home-monitoring would further allow for more VF testing, and more frequent VF testing: both important for rapid, robust clinical decision-making 12 , 23 . For these reasons, interest in home monitoring is growing both for glaucoma 14 , 21 , 22 , as well as for the management of other chronic ophthalmic conditions 24 , 25 , 26 , 27 and in healthcare generally 28 . This interest is likely to intensify following COVID-19, as both hospitals and patients look to further minimize in-person appointments 29 , 30 .…”

Section: Introductionmentioning

confidence: 99%

Glaucoma Home Monitoring Using a Tablet-Based Visual Field Test (Eyecatcher): An Assessment of Accuracy and Adherence Over 6 Months

Jones

Campbell

Callaghan

et al. 2021

American Journal of Ophthalmology

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Purpose To assess accuracy and adherence of visual field (VF) home-monitoring in a pilot sample of glaucoma patients. Design Prospective longitudinal feasibility and reliability study. Methods Twenty adults (median 71 years) with an established diagnosis of glaucoma were issued a tablet-perimeter (Eyecatcher), and were asked to perform one VF home-assessment per eye, per month, for 6 months (12 tests total). Before and after home-monitoring, two VF assessments were performed in-clinic using Standard Automated Perimetry (SAP; 4 tests total, per eye). Results All 20 participants could perform monthly home-monitoring, though one participant stopped after 4 months (Adherence: 98%). There was good concordance between VFs measured at home and in the clinic ( r = 0.94, P < 0.001). In 21 of 236 tests (9%) Mean Deviation deviated by more than ±3 dB from the median. Many of these anomalous tests could be identified by applying machine learning techniques to recordings from the tablets’ front-facing camera (Area Under the ROC Curve = 0.78). Adding home-monitoring data to 2 SAP tests made 6 months apart reduced measurement error (between-test measurement variability) in 97% of eyes, with mean absolute error more than halving in 90% of eyes. Median test duration was 4.5 mins ( Quartiles : 3.9 – 5.2 mins). Substantial variations in ambient illumination had no observable effect on VF measurements ( r = 0.07, P = 0.320). Conclusions Home-monitoring of VFs is viable for some patients, and may provide clinically useful data.

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“…Online video consultations have recently been a useful adjunct to emergency eye care, with over 100 urgent consultations a day at Moorfields, but they currently have a limited role in glaucoma care due to the need for ancillary data to make clinical decisions. Recent advances in technologies to provide home monitoring of intraocular pressures and visual fields may enable the expansion of this approach in the future, but as yet remain insufficiently validated for introduction [13,14]. Over the recent weeks, many patient concerns have been readily resolved via telephone interaction with a glaucoma consultant, which will prove a useful adjunct to "virtual clinics" in the future.…”

mentioning

confidence: 99%