Titre : Acuité visuelle

Acuité visuelle : Questions médicales fréquentes

Termes MeSH sélectionnés :

Blood Coagulation
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"headline": "Traitements sur Acuité visuelle", "description": "Quels traitements améliorent l'acuité visuelle ?\nComment les lunettes corrigent-elles l'acuité visuelle ?\nLa chirurgie au laser est-elle efficace ?\nQuels médicaments peuvent aider l'acuité visuelle ?\nLes exercices oculaires améliorent-ils l'acuité ?", "url": "https://questionsmedicales.fr/mesh/D014792?mesh_terms=Blood+Coagulation&page=2#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Acuité visuelle", "description": "Quelles complications peuvent résulter d'une mauvaise acuité ?\nLa cataracte affecte-t-elle l'acuité visuelle ?\nQuels risques sont associés à la dégénérescence maculaire ?\nComment le diabète affecte-t-il l'acuité visuelle ?\nLes infections oculaires peuvent-elles réduire l'acuité ?", "url": "https://questionsmedicales.fr/mesh/D014792?mesh_terms=Blood+Coagulation&page=2#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Acuité visuelle", "description": "Quels sont les facteurs de risque pour l'acuité visuelle ?\nL'âge influence-t-il l'acuité visuelle ?\nLe diabète est-il un facteur de risque ?\nLes antécédents familiaux jouent-ils un rôle ?\nL'exposition au soleil est-elle un risque ?", "url": "https://questionsmedicales.fr/mesh/D014792?mesh_terms=Blood+Coagulation&page=2#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment évaluer l'acuité visuelle ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "L'acuité visuelle est évaluée à l'aide de tableaux optométriques et de tests spécifiques." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour le diagnostic ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les tests incluent le test de Snellen et le test de vision de près." } }, { "@type": "Question", "name": "Quand consulter un ophtalmologiste ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Consultez un ophtalmologiste si vous avez une vision floue persistante ou des changements soudains." } }, { "@type": "Question", "name": "Qu'est-ce qu'un examen de la vue ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "C'est un examen complet pour évaluer la santé oculaire et l'acuité visuelle." } }, { "@type": "Question", "name": "Quels signes indiquent une mauvaise acuité visuelle ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "Des signes incluent la difficulté à lire, à reconnaître des visages ou à voir de loin." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une mauvaise acuité visuelle ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent vision floue, difficulté à voir la nuit et fatigue oculaire." } }, { "@type": "Question", "name": "La vision double est-elle liée à l'acuité visuelle ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la vision double peut indiquer un problème d'acuité visuelle ou de coordination oculaire." } }, { "@type": "Question", "name": "Comment la myopie affecte-t-elle l'acuité visuelle ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "La myopie rend difficile la vision des objets éloignés, affectant l'acuité visuelle." } }, { "@type": "Question", "name": "Quels sont les signes d'une dégénérescence maculaire ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Les signes incluent des taches sombres dans le champ visuel et une vision déformée." } }, { "@type": "Question", "name": "La fatigue oculaire peut-elle réduire l'acuité visuelle ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la fatigue oculaire peut temporairement diminuer l'acuité visuelle et causer des douleurs." } }, { "@type": "Question", "name": "Comment prévenir la perte d'acuité visuelle ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Adoptez une alimentation saine, protégez vos yeux du soleil et faites des examens réguliers." } }, { "@type": "Question", "name": "L'utilisation d'écrans affecte-t-elle l'acuité visuelle ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une utilisation prolongée d'écrans peut causer fatigue oculaire et diminuer temporairement l'acuité." } }, { "@type": "Question", "name": "Quels aliments sont bons pour la santé des yeux ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Les aliments riches en oméga-3, vitamines C et E, et zinc sont bénéfiques pour les yeux." } }, { "@type": "Question", "name": "Le tabagisme affecte-t-il l'acuité visuelle ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le tabagisme augmente le risque de maladies oculaires et peut réduire l'acuité visuelle." } }, { "@type": "Question", "name": "Comment protéger ses yeux du soleil ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Portez des lunettes de soleil avec protection UV pour réduire les risques de dommages oculaires." } }, { "@type": "Question", "name": "Quels traitements améliorent l'acuité visuelle ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements incluent des lunettes, des lentilles de contact et la chirurgie réfractive." } }, { "@type": "Question", "name": "Comment les lunettes corrigent-elles l'acuité visuelle ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Les lunettes corrigent la réfraction de la lumière pour améliorer la clarté de la vision." } }, { "@type": "Question", "name": "La chirurgie au laser est-elle efficace ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la chirurgie au laser peut corriger des problèmes de vision comme la myopie et l'hypermétropie." } }, { "@type": "Question", "name": "Quels médicaments peuvent aider l'acuité visuelle ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des médicaments peuvent traiter des conditions comme le glaucome, mais ne corrigent pas l'acuité." } }, { "@type": "Question", "name": "Les exercices oculaires améliorent-ils l'acuité ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Les exercices oculaires peuvent aider à soulager la fatigue, mais n'améliorent pas l'acuité structurelle." } }, { "@type": "Question", "name": "Quelles complications peuvent résulter d'une mauvaise acuité ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Les complications incluent des accidents, une qualité de vie réduite et des problèmes psychologiques." } }, { "@type": "Question", "name": "La cataracte affecte-t-elle l'acuité visuelle ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Oui, la cataracte peut provoquer une vision floue et une diminution de l'acuité visuelle." } }, { "@type": "Question", "name": "Quels risques sont associés à la dégénérescence maculaire ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "La dégénérescence maculaire peut entraîner une perte de vision centrale et des difficultés à lire." } }, { "@type": "Question", "name": "Comment le diabète affecte-t-il l'acuité visuelle ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Le diabète peut causer des complications oculaires comme la rétinopathie, affectant l'acuité." } }, { "@type": "Question", "name": "Les infections oculaires peuvent-elles réduire l'acuité ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Oui, les infections oculaires peuvent entraîner une inflammation et une diminution de l'acuité visuelle." } }, { "@type": "Question", "name": "Quels sont les facteurs de risque pour l'acuité visuelle ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "Les facteurs incluent l'âge, les antécédents familiaux, le diabète et l'exposition au soleil." } }, { "@type": "Question", "name": "L'âge influence-t-il l'acuité visuelle ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Oui, l'acuité visuelle tend à diminuer avec l'âge en raison de diverses conditions oculaires." } }, { "@type": "Question", "name": "Le diabète est-il un facteur de risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Oui, le diabète augmente le risque de maladies oculaires qui peuvent affecter l'acuité." } }, { "@type": "Question", "name": "Les antécédents familiaux jouent-ils un rôle ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "Oui, des antécédents familiaux de maladies oculaires peuvent augmenter le risque d'acuité réduite." } }, { "@type": "Question", "name": "L'exposition au soleil est-elle un risque ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Oui, une exposition prolongée sans protection peut endommager les yeux et affecter l'acuité." } } ] } ] }

Sources (10000 au total)

Increased blood coagulation is associated with poor neurological outcome in aneurysmal subarachnoid hemorrhage.

Patients with aneurysmal subarachnoid hemorrhage (aSAH) have demonstrated increased blood coagulation which is thought to contribute to delayed cerebral ischemia (DCI) and to a worse outcome. Therefor... We conducted a prospective observational study of 60 consecutive adult aSAH patients. ROTEM's EXTEM and FIBTEM assays and D-dimer were analyzed at admission and post-bleed days (PBDs) 2-3, 4-5, 7-8, a... DCI incidence was 41.7%. EXTEM-CFT was significantly shorter in patients with unfavorable neurological outcome (GOSe 1-4) on PBDs 4-5 and 7-8, p < 0.05, respectively. FIBTEM-MCF was significantly high... Patients were in a state of increased blood coagulation after aSAH, with those with unfavorable neurological outcome being more coagulable than those with favorable outcome. However, increased blood c... gov, NCT03985176....

Association between fatty liver index and blood coagulation markers: a population-based study.

Population-based studies investigating the association between blood coagulation markers and non-alcoholic fatty liver disease (NAFLD) are rare. Thus, we aimed to investigate the relationship between ... After the exclusion of participants with anticoagulative treatment, 776 participants (420 women and 356 men, aged 54-74 years) of the population-based KORA Fit study with analytic data on hemostatic f... In the multivariable models (with or without health conditions), significantly positive associations with FLI were obtained for plasma concentrations of D-dimers, factor VIII, fibrinogen D, protein C,... In this population-based study, an increased FLI is clearly related to changes in the blood coagulation system, possibly increasing the risk of thrombotic events. Due to a generally more pro-coagulati...

Impact of sample processing delays on plasma markers of inflammation, chemotaxis, cell death, and blood coagulation.

Biosampling studies in critically ill patients traditionally involve bedside collection of samples followed by local processing (ie. centrifugation, aliquotting, and freezing) and storage. However, co... To determine whether delays in blood sample processing affect the stability of cytokines (IL-6, TNF, IL-10, IFN-γ), chemokines (IL-8, IP-10, MCP-1, MCP-4, MIP-1α, MIP-1β), cell-free DNA (cfDNA) (relea... Venous blood was collected into EDTA and citrate sample tubes and stored at room temperature (RT) or 4°C for progressive intervals up to 72 hours, prior to processing. Plasma cytokines and chemokines ... Blood samples were collected from 9 intensive care unit (ICU) patients and 7 healthy volunteers. Admission diagnoses for the ICU patients included sepsis, trauma, ruptured abdominal aortic aneurysm, i... Delayed sample processing for up to 72 hours at either RT or 4°C did not significantly affect cytokines, chemokines, cfDNA, or blood clotting potential in plasma samples from healthy volunteers and IC...

Sodium bicarbonate alters protein stability and blood coagulability in a simulated Impella purge gap model.

The Impella® microaxial blood pumps utilize purge fluid containing heparin to prevent biofouling of internal surfaces. Purge fluid interfaces with blood or blood components at two notable internal loc... To assess protein stability simulated at Gap 1, human serum albumin (HSA; 40 mg/ml) species were quantified utilizing size exclusion liquid chromatography (SEC-HPLC) after stirring with purge fluid (5... Sodium bicarbonate alone or synergistically with heparin was effective in increasing protein stability, increasing pH, and reducing coagulability. In the Gap 1 model, sodium bicarbonate led to preserv... Sodium bicarbonate in the purge fluid has the potential to significantly increase protein stability and reduce protein denaturation at the Impella® radial gap (Gap 1), while reducing blood coagulation...

Effects of acute normovolemic hemodilution on allogeneic blood transfusion & coagulation in orthognathic surgery: A randomized study.

Acute normovolemic hemodilution (ANH) is one of the important techniques predominantly used in cardiac, hepatic, and vascular surgery for decreasing allogeneic blood transfusion. However, the effect o... In this single-center study, 18-80 years old patients were recruited. Patients with hemoglobin ≥11 g/dL and normal coagulation function were randomly divided into ANH or standard treatment group.... Ninety six patients underwent ANH, and 101 patients received standard treatment. No differences in demographic or major pre-operative characteristics were observed between the two groups. One patient ... ANH did not reduce the incidence of allogeneic transfusion in patients undergoing orthognathic surgery....

Blood coagulation in Prediabetes clusters-impact on all-cause mortality in individuals undergoing coronary angiography.

Metabolic clusters can stratify subgroups of individuals at risk for type 2 diabetes mellitus and related complications. Since obesity and insulin resistance are closely linked to alterations in hemos... Utilizing data from the Ludwigshafen Risk and Cardiovascular Health (LURIC) study, we assigned 917 participants without diabetes to prediabetes clusters, using oGTT-derived glucose and insulin, high-d... Prediabetes clusters were assigned using published tools, and grouped into low-risk (clusters 1,2,4; n = 643) and high-risk (clusters 3,5,6; n = 274) clusters. Individuals in the high-risk clusters ha... High-risk prediabetes clusters are associated with prothrombotic changes in the coagulation system that likely contribute to the increased mortality in those individuals at cardiometabolic risk. The h...