Search Results - "Livingstone, Iain"

Development and Validation of a Smartphone-Based Visual Acuity Test (Peek Acuity) for Clinical Practice and Community-Based Fieldwork by Bastawrous, Andrew, Rono, Hillary K, Livingstone, Iain A T, Weiss, Helen A, Jordan, Stewart, Kuper, Hannah, Burton, Matthew J

“…Visual acuity is the most frequently performed measure of visual function in clinical practice and most people worldwide living with visual impairment are…”
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Clinical Validation of a Smartphone-Based Adapter for Optic Disc Imaging in Kenya by Bastawrous, Andrew, Giardini, Mario Ettore, Bolster, Nigel M, Peto, Tunde, Shah, Nisha, Livingstone, Iain A T, Weiss, Helen A, Hu, Sen, Rono, Hillary, Kuper, Hannah, Burton, Matthew

“…Visualization and interpretation of the optic nerve and retina are essential parts of most physical examinations. To design and validate a smartphone-based…”
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Teleophthalmology techniques increase ophthalmic examination distance by Ghazala, Fadi R., Hamilton, Ruth, Giardini, Mario E., Livingstone, Iain A. T.

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Diagnostic Accuracy of Online Visual Acuity Testing of Paediatric Patients by Painter, Sally L, Hamilton, Ruth, Livingstone, Iain A T

“…Remote assessment of children's visual acuity became necessary during the COVID-19 pandemic. This study aimed to assess the extent of agreement between…”
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Live teleophthalmology avoids escalation of referrals to secondary care during COVID-19 lockdown by Ghazala, Fadi R, Hamilton, Ruth, Giardini, Mario E, Ferguson, Andrew, Poyser, Olivia BL, Livingstone, Iain AT

“…Following the COVID-19 lockdown, uptake of slitlamp-enabled live teleophthalmology increased. Its use contributed to a reduction of referrals escalated to…”
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Extending the Reach and Task-Shifting Ophthalmology Diagnostics Through Remote Visualisation by Giardini, Mario E, Livingstone, Iain A T

“…Driven by the global increase in the size and median age of the world population, sight loss is becoming a major public health challenge. Furthermore, the…”
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Too Many Shades of Grey: Photometrically and Spectrally Mismatched Targets and Backgrounds in Printed Acuity Tests for Infants and Young Children by Vivas-Mateos, Guillermo, Livingstone, Iain A T, Hamilton, Ruth, Cheema, Arsalan, Giardini, Mario E

“…Acuity tests for infants and young children use preferential looking methods that require a perceptual match of brightness and color between grey background…”
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Accuracy and Feasibility of an Android-Based Digital Assessment Tool for Post Stroke Visual Disorders-The StrokeVision App by Quinn, Terence J, Livingstone, Iain, Weir, Alexander, Shaw, Robert, Breckenridge, Andrew, McAlpine, Christine, Tarbert, Claire M

“…Visual impairment affects up to 70% of stroke survivors. We designed an app (StrokeVision) to facilitate screening for common post stroke visual issues…”
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3D Reconstruction of the Optic Nerve Head of a Phantom Eye from Images Obtained using a Slit Lamp Fitted with Low Cost Add-Ons by Coghill, Ian, Jordan, Kirsty C., Black, Richard A., Livingstone, Iain A.T., Giardini, Mario E.

“…Early detection and treatment are key in limiting vision loss from glaucoma, the second leading cause of blindness worldwide. Morphological alteration of the…”
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Screen and Virtual Reality-Based Testing of Contrast Sensitivity by Vivas-Mateos, Guillermo, Boswell, Sarah, Livingstone, Iain A.T., Delafield-Butt, Jonathan, Giardini, Mario E.

“…Contrast sensitivity is a key visual ability for everyday tasks, as well as a potential indicator of important optical and neurological diseases. Current…”
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An Imaging-based Autorefractor by Menolotto, Matteo, Livingstone, Iain A. T., Giardini, Mario E.

“…Autorefraction consists of the automatic sensing of three parameters - spherical error, cylindrical error, slope of the principal meridian - that describe the…”
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A smartphone based ophthalmoscope by Giardini, Mario E., Livingstone, Iain A. T., Jordan, Stewart, Bolster, Nigel M., Peto, Tunde, Burton, Matthew, Bastawrous, Andrew

“…A low-cost alternative to the direct ophthalmoscope, a simple optical adapter for a smartphone, is described. It can overcome many of the technical challenges…”
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Low-Cost Eye Phantom for Stereophotogrammetry-Based Optic Nerve Head Topographical 3D Imaging by Coghill, Ian, Black, Richard A., Livingstone, Iain A. T., Giardini, Mario E.

“…Glaucoma is the second leading cause of blindness globally. Stereophotogrammetry-based optic nerve head topographical imaging systems could potentially allow…”
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Ballistic limit evaluation of advanced shielding using numerical simulations by Hayhurst, Colin J., Livingstone, Iain H.G., Clegg, Richard A., Destefanis, Roberto, Faraud, Moreno

“…The advanced shielding concept employed for the Columbus module of the International Space Station consists of an aluminum bumper and an intermediate shield of…”
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Predicting the fragmentation onset velocity for different metallic projectiles using numerical simulations by Livingstone, Iain H.G., Verolme, Koos, Hayhurst, Colin J.

“…For cubes and spheres under high velocity impact there exists for each system of projectile and target, a threshold velocity that is just sufficient to shatter…”
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Treatment of corneal cystine crystal accumulation in patients with cystinosis by Shams, Fatemeh, Livingstone, Iain, Oladiwura, Dilys, Ramaesh, Kanna

“…Cystinosis is a rare autosomal recessive disorder characterized by the accumulation of cystine within the cells of different organs. Infantile nephropathic…”
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Testing Pediatric Acuity With an iPad: Validation of "Peekaboo Vision" in Malawi and the UK by Livingstone, Iain, Butler, Laura, Misanjo, Esther, Lok, Alan, Middleton, Duncan, Wilson, Janice Waterson, Delfin, Silvija, Kayange, Petros, Hamilton, Ruth

“…To evaluate two builds of the digital grating acuity test, "Peekaboo Vision" (PV), in young (6-60 months) populations in two hospital settings (Malawi and…”
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Corneal perforation due to limbal involvement in Sézary syndrome by Livingstone, Iain, Ramamurthi, Saraswathi, Drummond, Suzannah, Kemp, Ewan, Roberts, Fiona

“…Background The majority of lymphomas involving the eye and ocular adnexa are B-cell lymphomas. Ocular involvement by T-cell lymphoma is rare. We report a case…”
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Delayed dislocation of an injectable hydrophilic acrylic lens after Nd:YAG capsulotomy in anterior capsular contraction syndrome by Lam, Fook Chang, Livingstone, Iain, Imrie, Fraser R, Mantry, Sanjay

“…Abstract Posterior dislocation of IOLs has been reported following Nd:YAG laser for anterior capsule contraction in only 3 cases and these involved plate…”
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