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Abraham Olvera-Barrios on Muck Rack

Abraham Olvera-Barrios

As seen in: BMJ Open, BMJ Open Diabetes Research & Care, The BMJ, British Journal of Ophthalmology, BioRxiv, Retinal Physician, Eye News
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Articles

AI Screening for Diabetic Retinopathy

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By Abraham Olvera-Barrios, Cathy Egan
| Retinal Physician Verified
Diabetes mellitus affects approximately 1 in 9 adults worldwide, with an estimated 589 million individuals living with the disease in 2024 and projections reaching 853 million by 2050; an estimated 43% remain undiagnosed.1,2 Diabetic retinopathy (DR) affects approximately 30% of individuals with diabetes and remains a leading cause of preventable blindness among working-age adults.3,4 Although health authorities recommend regular diabetic eye screening, the global ophthalmic workforce is...
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Effect of ethnicity and other sociodemographic factors on attendance at ophthalmology appointments following referral from a Diabetic Eye Screening Programme: a retrospective cohort study

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By James Banks, Abraham Olvera-Barrios, Daisy Williams, Matilda Pitt
| The BMJ Verified
Sociodemographic factors including ethnicity are associated with low attendance at the Diabetic Eye Screening Programme (DESP), but it is unclear how these factors influence attendance at Hospital Eye Service (HES) referrals. This is the first study to show at scale that sociodemographic factors other than ethnicity are more strongly associated with low attendance at referrals from the DESP to the HES in a UK context.
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Disconnection Between Microvascular Damage and Neurodegeneration in Early Diabetic Retinopathy

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By Qian Yang, Marina V. Yasvoina, Abraham Olvera-Barrios, Joel Mendes
| BioRxiv
Abstract Aim: Diabetic retinopathy (DR) is a common complication of diabetes mellitus and can result in vision loss. Early clinically diagnosed signs of DR are linked to vascular damage, impacting on the neural retina typically at later stages. However, vascular changes and potential effects on neural cells before clinical diagnosis of DR are less understood. Methods: To learn more about the earliest stages of DR we studied postmortem retina from diabetic donors who did not have clinical DR.
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