Abraham Olvera-Barrios

Affiliations

Moorfields Eye Hospital, Moorfields Eye Hospital NHS Foundation Trust, London, UK.
Institute of Ophthalmology, University College London, London, UK.

Publications (25)

Estimating excess visual loss from neovascular age-related macular degeneration in the UK during the COVID-19 pandemic: a retrospective clinical audit and simulation model.

BMJ open

Avec: Darren S Thomas , Alasdair Warwick , Abraham Olvera-Barrios , Catherine Egan , Roy Schwartz , Sudeshna Patra , Haralabos Eleftheriadis , Anthony Khawaja , Andrew Lotery , Philipp L Muller , Robin Hamilton , Ella Preston , Paul Taylor , Adnan Tufail , Auteur inconnu

Formal registration of visual impairment in people with diabetic retinopathy significantly underestimates the scale of the problem: a retrospective cohort study at a tertiary care eye hospital service in the UK.

The British journal of ophthalmology

Avec: Abraham Olvera-Barrios , Amit V Mishra , Roy Schwartz , Mumina Khatun , Michael Seltene , Celestine Rutkowska , Alicja R Rudnicka , Christopher G Owen , Adnan Tufail , Catherine A Egan

Comparison of true-colour wide-field confocal scanner imaging with standard fundus photography for diabetic retinopathy screening.

The British journal of ophthalmology

Avec: Abraham Olvera-Barrios , Tjebo Fc Heeren , Konstantinos Balaskas , Ryan Chambers , Louis Bolter , Adnan Tufail , Catherine Egan , John Anderson

Reliability of Retinal Pathology Quantification in Age-Related Macular Degeneration: Implications for Clinical Trials and Machine Learning Applications.

Translational vision science & technology

Avec: Philipp L Müller , Bart Liefers , Tim Treis , Filipa Gomes Rodrigues , Abraham Olvera-Barrios , Bobby Paul , Narendra Dhingra , Andrew Lotery , Clare Bailey , Paul Taylor , Clarisa I Sánchez , Adnan Tufail

Evolving Treatment Patterns and Outcomes of Neovascular Age-Related Macular Degeneration Over a Decade.

Ophthalmology. Retina

Avec: Roy Schwartz , Alasdair Warwick , Abraham Olvera-Barrios , Maria Pikoula , Aaron Y Lee , Spiros Denaxas , Paul Taylor , Catherine Egan , Usha Chakravarthy , Peck Lin Lip , Adnan Tufail , Auteur inconnu

Long-term visual and anatomic outcomes after photodynamic therapy for symptomatic circumscribed choroidal hemangioma.

Cirugia y cirujanos

Avec: Jesus H Gonzalez-Cortes , Abraham Olvera-Barrios , Jose R Perez-Salas , Hugo A Trevino-Rodríguez , Ezequiel E Trevino-Cavazos , Jesus E Gonzalez-Cantu , Jesus Mohamed-Hamsho

Quantification of Key Retinal Features in Early and Late Age-Related Macular Degeneration Using Deep Learning.

American journal of ophthalmology

Avec: Bart Liefers , Paul Taylor , Abdulrahman Alsaedi , Clare Bailey , Konstantinos Balaskas , Narendra Dhingra , Catherine A Egan , Filipa Gomes Rodrigues , Cristina González Gonzalo , Tjebo F C Heeren , Andrew Lotery , Philipp L Müller , Abraham Olvera-Barrios , Bobby Paul , Roy Schwartz , Darren S Thomas , Alasdair N Warwick , Adnan Tufail , Clara I Sánchez

Novel Outer Retinal Columnar Abnormalities (ORCA) and Non-Vasogenic Cystoid Macular Edema in Dense Deposit Disease.

Retinal cases & brief reports

Avec: Claudia Liang Peng , Abraham Olvera-Barrios , Roy Schwartz , Gabriela Grimaldi , Catherine Egan , Adnan Tufail

Sight threatening diabetic retinopathy in patients with macular telangiectasia type 2.

International journal of retina and vitreous

Avec: Josef Huemer , Tjebo Fc Heeren , Abraham Olvera-Barrios , Livia Faes , Antonio M B Casella , Edward Hughes , Adnan Tufail , Catherine Egan

Contextualizing single-arm trials with real-world data: An emulated target trial comparing therapies for neovascular age-related macular degeneration.

Clinical and translational science

Avec: Darren S Thomas , Aaron Y Lee , Philipp L Müller , Roy Schwartz , Abraham Olvera-Barrios , Alasdair N Warwick , Praven J Patel , Tjebo F C Heeren , Catherine Egan , Paul Taylor , Adnan Tufail , Auteur inconnu

Closure of stage 2 macular hole with a low-dose intravitreal injection of perfluoropropane.

Cirugia y cirujanos

Avec: Jesús H González-Cortés , Abraham Olvera-Barrios , Hugo A Treviño-Rodríguez , Jesús E González-Cantú , Jesús M-Hamsho

Diagnostic accuracy of diabetic retinopathy grading by an artificial intelligence-enabled algorithm compared with a human standard for wide-field true-colour confocal scanning and standard digital retinal images.

The British journal of ophthalmology

Avec: Abraham Olvera-Barrios , Tjebo Fc Heeren , Konstantinos Balaskas , Ryan Chambers , Louis Bolter , Catherine Egan , Adnan Tufail , John Anderson

Foveal Curvature and Its Associations in UK Biobank Participants.

Investigative ophthalmology & visual science

Avec: Abraham Olvera-Barrios , Yuka Kihara , Yue Wu , Alasdair N Warwick , Philipp L Müller , Katie M Williams , Alicja R Rudnicka , Christopher G Owen , Aaron Y Lee , Catherine Egan , Adnan Tufail , Auteur inconnu

Ethnicity is not biology: retinal pigment score to evaluate biological variability from ophthalmic imaging using machine learning.

medRxiv : the preprint server for health sciences

Avec: Anand E Rajesh , Abraham Olvera-Barrios , Alasdair N Warwick , Yue Wu , Kelsey V Stuart , Mahantesh Biradar , Chuin Ying Ung , Anthony P Khawaja , Robert Luben , Paul J Foster , Cecilia S Lee , Adnan Tufail , Aaron Y Lee , Catherine Egan , Auteur inconnu

Developing a Continuous Severity Scale for Macular Telangiectasia Type 2 Using Deep Learning and Implications for Disease Grading.

Ophthalmology

Avec: Yue Wu , Catherine Egan , Abraham Olvera-Barrios , Lea Scheppke , Tunde Peto , Peter Charbel Issa , Tjebo F C Heeren , Irene Leung , Anand E Rajesh , Adnan Tufail , Cecilia S Lee , Emily Y Chew , Martin Friedlander , Aaron Y Lee

Resolution of giant ocular surface squamous neoplasia with topical 5-fuorouracil 1.

SAGE open medical case reports

Avec: Karim Mohamed-Noriega , Alan Baltazar Treviño-Herrera , Abraham Olvera-Barrios , Fernando Morales-Wong , Jesus Mohamed-Hamsho

Effect of ethnicity and other sociodemographic factors on attendance at diabetic eye screening: a 12-month retrospective cohort study.

BMJ open

Avec: Abraham Olvera-Barrios , Michael Seltene , Tjebo F C Heeren , Ryan Chambers , Louis Bolter , Adnan Tufail , Christopher G Owen , Alicja R Rudnicka , Catherine Egan , John Anderson

Simultaneous and Bilateral Non-Arteritic Anterior Ischaemic Optic Neuropathy and Acute Angle-Closure.

Neuro-ophthalmology (Aeolus Press)

Avec: Gerardo Esteban Cepeda-Ortegon , Alan Baltazar Treviño-Herrera , Abraham Olvera-Barrios , Alejandro Martínez-López-Portillo , Jesús Mohamed-Hamsho , Jibran Mohamed-Noriega

Quantification and Predictors of OCT-Based Macular Curvature and Dome-Shaped Configuration: Results From the UK Biobank.

Investigative ophthalmology & visual science

Avec: Philipp L Müller , Yuka Kihara , Abraham Olvera-Barrios , Alasdair N Warwick , Catherine Egan , Katie M Williams , Aaron Y Lee , Adnan Tufail , Auteur inconnu

Training Deep Learning Models to Work on Multiple Devices by Cross-Domain Learning with No Additional Annotations.

Ophthalmology

Avec: Yue Wu , Abraham Olvera-Barrios , Ryan Yanagihara , Timothy-Paul H Kung , Randy Lu , Irene Leung , Amit V Mishra , Hanan Nussinovitch , Gabriela Grimaldi , Marian Blazes , Cecilia S Lee , Catherine Egan , Adnan Tufail , Aaron Y Lee

Two-year recall for people with no diabetic retinopathy: a multi-ethnic population-based retrospective cohort study using real-world data to quantify the effect.

The British journal of ophthalmology

Avec: Abraham Olvera-Barrios , Alicja R Rudnicka , John Anderson , Louis Bolter , Ryan Chambers , Alasdair N Warwick , Roshan Welikala , Jiri Fajtl , Sarah Barman , Paolo Remgnino , Yue Wu , Aaron Y Lee , Emily Y Chew , Frederick L Ferris , Aroon Hingorani , Reecha Sofat , Catherine A Egan , Adnan Tufail , Christopher G Owen , Auteur inconnu

Ethnic disparities in progression rates for sight-threatening diabetic retinopathy in diabetic eye screening: a population-based retrospective cohort study.

BMJ open diabetes research & care

Avec: Abraham Olvera-Barrios , Christopher G Owen , John Anderson , Alasdair N Warwick , Ryan Chambers , Louis Bolter , Yue Wu , Roshan Welikala , Jiri Fajtl , Sarah A Barman , Paolo Remagnino , Emily Y Chew , Frederick L Ferris , Aroon D Hingorani , Reecha Sofat , Aaron Y Lee , Catherine Egan , Adnan Tufail , Alicja R Rudnicka , Auteur inconnu

What are the perceptions and concerns of people living with diabetes and National Health Service staff around the potential implementation of AI-assisted screening for diabetic eye disease? Development and validation of a survey for use in a secondary care screening setting.

BMJ open

Avec: Kathryn Willis , Umar A R Chaudhry , Lakshmi Chandrasekaran , Charlotte Wahlich , Abraham Olvera-Barrios , Ryan Chambers , Louis Bolter , John Anderson , S A Barman , Jiri Fajtl , Roshan Welikala , Catherine Egan , Adnan Tufail , Christopher G Owen , Alicja Rudnicka , Auteur inconnu , Auteur inconnu

Deciphering the connection between microvascular damage and neurodegeneration in early diabetic retinopathy.

Diabetes

Avec: Qian Yang , Marina Yasvoina , Abraham Olvera-Barrios , Joel Mendes , Meidong Zhu , Cathy Egan , Adnan Tufail , Marcus Fruttiger

Spontaneous suprachoroidal haemorrhage: clinical features, visual outcomes and prognosis factors.

Eye (London, England)

Avec: Rodrigo Anguita , Janice Roth , Lorenzo Ferro Desideri , Achini Makuloluwa , Mohamed Katta , Syed Shahid , Abraham Olvera-Barrios , David G Charteris

Réseau de co-auteurs

Adnan Tufail 20 collaborations

Catherine Egan 15 collaborations

None None 10 collaborations

Aaron Y Lee 9 collaborations

Alasdair N Warwick 7 collaborations

Roy Schwartz 6 collaborations

Christopher G Owen 6 collaborations

Ryan Chambers 6 collaborations

Louis Bolter 6 collaborations

John Anderson 6 collaborations

Yue Wu 6 collaborations

Paul Taylor 5 collaborations

Alicja R Rudnicka 5 collaborations

Philipp L Müller 5 collaborations

Tjebo F C Heeren 4 collaborations

Darren S Thomas 3 collaborations

Andrew Lotery 3 collaborations

Catherine A Egan 3 collaborations

Tjebo Fc Heeren 3 collaborations

Konstantinos Balaskas 3 collaborations

Cecilia S Lee 3 collaborations

Emily Y Chew 3 collaborations

Roshan Welikala 3 collaborations

Jiri Fajtl 3 collaborations

Alasdair Warwick 2 collaborations

Amit V Mishra 2 collaborations

Michael Seltene 2 collaborations

Bart Liefers 2 collaborations

Filipa Gomes Rodrigues 2 collaborations

Bobby Paul 2 collaborations

Narendra Dhingra 2 collaborations

Clare Bailey 2 collaborations

Jesus Mohamed-Hamsho 2 collaborations

Gabriela Grimaldi 2 collaborations

Yuka Kihara 2 collaborations

Katie M Williams 2 collaborations

Anand E Rajesh 2 collaborations

Irene Leung 2 collaborations

Alan Baltazar Treviño-Herrera 2 collaborations

Frederick L Ferris 2 collaborations

Reecha Sofat 2 collaborations

Sudeshna Patra 1 collaboration

Haralabos Eleftheriadis 1 collaboration

Anthony Khawaja 1 collaboration

Philipp L Muller 1 collaboration

Robin Hamilton 1 collaboration

Ella Preston 1 collaboration

Mumina Khatun 1 collaboration

Celestine Rutkowska 1 collaboration

Tim Treis 1 collaboration

Clarisa I Sánchez 1 collaboration

Maria Pikoula 1 collaboration

Spiros Denaxas 1 collaboration

Usha Chakravarthy 1 collaboration

Peck Lin Lip 1 collaboration

Jesus H Gonzalez-Cortes 1 collaboration

Jose R Perez-Salas 1 collaboration

Hugo A Trevino-Rodríguez 1 collaboration

Ezequiel E Trevino-Cavazos 1 collaboration

Jesus E Gonzalez-Cantu 1 collaboration

Abdulrahman Alsaedi 1 collaboration

Cristina González Gonzalo 1 collaboration

Clara I Sánchez 1 collaboration

Claudia Liang Peng 1 collaboration

Josef Huemer 1 collaboration

Livia Faes 1 collaboration

Antonio M B Casella 1 collaboration

Edward Hughes 1 collaboration

Praven J Patel 1 collaboration

Jesús H González-Cortés 1 collaboration

Hugo A Treviño-Rodríguez 1 collaboration

Jesús E González-Cantú 1 collaboration

Jesús M-Hamsho 1 collaboration

Kelsey V Stuart 1 collaboration

Mahantesh Biradar 1 collaboration

Chuin Ying Ung 1 collaboration

Anthony P Khawaja 1 collaboration

Robert Luben 1 collaboration

Paul J Foster 1 collaboration

Lea Scheppke 1 collaboration

Tunde Peto 1 collaboration

Peter Charbel Issa 1 collaboration

Martin Friedlander 1 collaboration

Karim Mohamed-Noriega 1 collaboration

Fernando Morales-Wong 1 collaboration

Gerardo Esteban Cepeda-Ortegon 1 collaboration

Alejandro Martínez-López-Portillo 1 collaboration

Jesús Mohamed-Hamsho 1 collaboration

Jibran Mohamed-Noriega 1 collaboration

Ryan Yanagihara 1 collaboration

Timothy-Paul H Kung 1 collaboration

Randy Lu 1 collaboration

Hanan Nussinovitch 1 collaboration

Marian Blazes 1 collaboration

Sarah Barman 1 collaboration

Paolo Remgnino 1 collaboration

Aroon Hingorani 1 collaboration

Sarah A Barman 1 collaboration

Paolo Remagnino 1 collaboration

Aroon D Hingorani 1 collaboration

Kathryn Willis 1 collaboration

Umar A R Chaudhry 1 collaboration

Lakshmi Chandrasekaran 1 collaboration

Charlotte Wahlich 1 collaboration

S A Barman 1 collaboration

Alicja Rudnicka 1 collaboration

Qian Yang 1 collaboration

Marina Yasvoina 1 collaboration

Joel Mendes 1 collaboration

Meidong Zhu 1 collaboration

Cathy Egan 1 collaboration

Marcus Fruttiger 1 collaboration

Rodrigo Anguita 1 collaboration

Janice Roth 1 collaboration

Lorenzo Ferro Desideri 1 collaboration

Achini Makuloluwa 1 collaboration

Mohamed Katta 1 collaboration

Syed Shahid 1 collaboration

David G Charteris 1 collaboration