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Attention-Deficit/Hyperactivity Disorder Animal Model Presents Retinal Alterati...

Sanches, Eliane S.; Boia, Raquel; Leitão, Ricardo A.; Madeira, Maria H.; Fontes-Ribeiro, Carlos A.; Ambrósio, António Francisco; Fernandes, Rosa

Attention-Deficit/Hyperactivity Disorder (ADHD) is one of the most prevalent neurodevelopmental disorders. Interestingly, children with ADHD seem to experience more ophthalmologic abnormalities, and the impact of methylphenidate (MPH) use on retinal physiology remains unclear. Thus, we aimed to unravel the retina's structural, functional, and cellular alterations and the impact of MPH in ADHD versus the control...


Characterisation of progression of macular oedema in the initial stages of diab...

Lobo, Conceição; Santos, Torcato; Marques, Inês; Madeira, Maria H.; Santos, Ana Rita; Figueira, João; Cunha-Vaz, José

BACKGROUND/OBJECTIVES: To characterise the prevalence and three-year progression of centre-involving diabetic macular oedema (CI-DMO) in minimal to moderate non-proliferative diabetic retinopathy, using optical coherence tomography (OCT) and measurements of retinal fluid using tissue optical reflectivity ratios (OCT-Leakage). METHODS/METHODS: Seventy-four eyes from 74 patients were followed in a 3-year prospect...


Characterisation of progression of macular oedema in the initial stages of diab...

Lobo, Conceição; Santos, Torcato; Marques, Inês P.; Madeira, Maria H.; Santos, Ana Rita; Figueira, João; Cunha-Vaz, José

To characterise the prevalence and three-year progression of centre-involving diabetic macular oedema (CI-DMO) in minimal to moderate non-proliferative diabetic retinopathy, using optical coherence tomography (OCT) and measurements of retinal fluid using tissue optical reflectivity ratios (OCT-Leakage). Seventy-four eyes from 74 patients were followed in a 3-year prospective longitudinal observational cohort of...


Characterization of One-Year Progression of Risk Phenotypes of Diabetic Retinop...

Ribeiro, Luísa; Marques, Inês P.; Coimbra, Rita; Santos, Torcato; Madeira, Maria H.; Santos, Ana Rita; Barreto, Patrícia Susana Correia Lopes

Introduction: We characterized the progression of different diabetic retinopathy (DR) phenotypes in type 2 diabetes (T2D). Methods: A prospective longitudinal cohort study (CORDIS, NCT03696810) was conducted with three visits (baseline, 6 months, and 1 year). Demographic and systemic data included age, sex, diabetes duration, lipid profile, and hemoglobin A1c (HbA1c). Ophthalmological examinations included best...


Characterization of one-year progression of risk phenotypes of diabetic retinop...

Ribeiro, Luísa; Marques, Inês P.; Coimbra, Rita; Santos, Torcato; Madeira, Maria H.; Santos, Ana Rita; Barreto, Patrícia; Lobo, Conceição

We characterized the progression of different diabetic retinopathy (DR) phenotypes in type 2 diabetes (T2D). A prospective longitudinal cohort study (CORDIS, NCT03696810) was conducted with three visits (baseline, 6 months, and 1 year). Demographic and systemic data included age, sex, diabetes duration, lipid profile, and hemoglobin A1c (HbA1c). Ophthalmological examinations included best-corrected visual acuit...


Association between neurodegeneration and macular perfusion in the progression ...

Marques, Inês P.; Ferreira, Sónia; Santos, Torcato; Madeira, Maria H.; Santos, Ana Rita; Mendes, Luís; Lobo, Conceição; Cunha-Vaz, José

The aim of this study was to explore the relation between retinal neurodegenerative changes and vessel closure (VC) in individuals with nonproliferative diabetic retinopathy (NPDR) in a follow-up period of 3 years. This is a 3-year prospective longitudinal study with four annual visits. This study involved 74 individuals with type 2 diabetes, NPDR, and Early Treatment Diabetic Retinopathy Study grades from 10 t...


Swept-source OCTA quantification of capillary closure predicts ETDRS severity s...

Santos, Torcato; Warren, Lewis H.; Santos, Ana Rita B. M.; Marques, Inês Pereira; Kubach, Sophie; Mendes, Luís G.; Sisternes, Luís de; Madeira, Maria H.

To test whether a single or composite set of parameters evaluated with optical coherence tomography angiography (OCTA), representing retinal capillary closure, can predict non-proliferative diabetic retinopathy (NPDR) staging according to the gold standard ETDRS grading scheme. 105 patients with diabetes, either without retinopathy or with different degrees of retinopathy (NPDR up to ETDRS grade 53), were prosp...


Genetic risk variants for Age-related Macular Degeneration in a Portuguese popu...

Coimbra, Rita Alexandra; Farinha, Cláudia; Barreto, Patrícia; Madeira, Maria H.; Silva, Rufino

Introduction: Age-related macular degeneration (AMD) is a progressive degenerative disease of the central area of the retina, the macula, which is responsible for central vision. It is a multifactorial disease, strongly influenced by a combination of environmental factors (such as age, smoking, lifestyle, diet) and genetic factors. In 2016, the largest genome-wide association study (GWAS) in AMD was published a...


Progression of Ganglion Cell-Inner Plexiform layer thickness in the initial sta...

Tavares, Diana; Madeira, Maria H.; Marques, Inês P.; Santos, Torcato; Santos, Ana Rita; Lobo, Conceição; Cunha-Vaz, José


Retinal Neurodegeneration in Different Risk Phenotypes of Diabetic Retinal Disease

Madeira, Maria H.; Marques, Inês P.; Ferreira, Sónia; Tavares, Diana; Santos, Torcato; Santos, Ana Rita; Figueira, João; Lobo, Conceição

Diabetic retinopathy (DR) has been considered a microvascular disease, but it has become evident that neurodegeneration also plays a key role in this complex pathology. Indeed, this complexity is reflected in its progression which occurs at different rates in different type 2 diabetic (T2D) individuals. Based on this concept, our group has identified three DR progression phenotypes that might reflect the interi...


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