Titre : Voies optiques

Voies optiques : Questions médicales fréquentes

Termes MeSH sélectionnés :

Cross-Over Studies
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?\nComment se manifeste une névrite optique ?\nQuels signes indiquent une compression des voies optiques ?\nQuels symptômes peuvent indiquer un AVC visuel ?\nComment reconnaître un glaucome ?", "url": "https://questionsmedicales.fr/mesh/D014795?mesh_terms=Cross-Over+Studies&page=5#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Voies optiques", "description": "Comment prévenir les maladies des voies optiques ?\nQuels examens sont recommandés pour les personnes à risque ?\nComment réduire le risque de glaucome ?\nQuelles habitudes alimentaires favorisent la santé oculaire ?\nComment protéger ses yeux des blessures ?", "url": "https://questionsmedicales.fr/mesh/D014795?mesh_terms=Cross-Over+Studies&page=5#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "headline": "Traitements sur Voies optiques", "description": "Quels traitements existent pour la névrite optique ?\nComment traiter un glaucome ?\nQuelles sont les options pour les tumeurs des voies optiques ?\nComment gérer les troubles du champ visuel ?\nQuels médicaments sont utilisés pour traiter les AVC visuels ?", "url": "https://questionsmedicales.fr/mesh/D014795?mesh_terms=Cross-Over+Studies&page=5#section-traitements" }, { "@type": "MedicalWebPage", "name": "Complications", "headline": "Complications sur Voies optiques", "description": "Quelles complications peuvent survenir après une névrite optique ?\nQuels risques sont associés à un AVC visuel ?\nComment le glaucome peut-il affecter la qualité de vie ?\nQuelles sont les conséquences d'une tumeur des voies optiques ?\nQuels effets secondaires peuvent résulter des traitements ?", "url": "https://questionsmedicales.fr/mesh/D014795?mesh_terms=Cross-Over+Studies&page=5#section-complications" }, { "@type": "MedicalWebPage", "name": "Facteurs de risque", "headline": "Facteurs de risque sur Voies optiques", "description": "Quels facteurs augmentent le risque de glaucome ?\nComment le tabagisme influence-t-il la santé oculaire ?\nQuels antécédents médicaux sont des facteurs de risque ?\nQuel rôle joue l'hypertension dans les maladies oculaires ?\nComment l'exposition au soleil affecte-t-elle les yeux ?", "url": "https://questionsmedicales.fr/mesh/D014795?mesh_terms=Cross-Over+Studies&page=5#section-facteurs de risque" } ] }, { "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "Comment diagnostiquer une lésion des voies optiques ?", "position": 1, "acceptedAnswer": { "@type": "Answer", "text": "Un examen ophtalmologique complet et des imageries cérébrales comme l'IRM sont nécessaires." } }, { "@type": "Question", "name": "Quels tests sont utilisés pour évaluer la vision ?", "position": 2, "acceptedAnswer": { "@type": "Answer", "text": "Les tests de vision, comme l'acuité visuelle et le champ visuel, sont couramment utilisés." } }, { "@type": "Question", "name": "Quelles sont les causes possibles de troubles visuels ?", "position": 3, "acceptedAnswer": { "@type": "Answer", "text": "Les causes incluent les tumeurs, les AVC, et les maladies dégénératives des nerfs optiques." } }, { "@type": "Question", "name": "Comment évaluer la fonction des nerfs optiques ?", "position": 4, "acceptedAnswer": { "@type": "Answer", "text": "Des tests comme l'électrorétinogramme (ERG) et l'électroencéphalogramme (EEG) peuvent être utilisés." } }, { "@type": "Question", "name": "Quel rôle joue l'IRM dans le diagnostic ?", "position": 5, "acceptedAnswer": { "@type": "Answer", "text": "L'IRM permet de visualiser les anomalies structurelles des voies optiques et du cerveau." } }, { "@type": "Question", "name": "Quels sont les symptômes d'une atteinte des voies optiques ?", "position": 6, "acceptedAnswer": { "@type": "Answer", "text": "Les symptômes incluent la perte de vision, des troubles du champ visuel et des douleurs oculaires." } }, { "@type": "Question", "name": "Comment se manifeste une névrite optique ?", "position": 7, "acceptedAnswer": { "@type": "Answer", "text": "Elle se manifeste par une vision floue, des douleurs à l'œil et une perte de couleur." } }, { "@type": "Question", "name": "Quels signes indiquent une compression des voies optiques ?", "position": 8, "acceptedAnswer": { "@type": "Answer", "text": "Des signes incluent une vision double, des maux de tête et une perte de vision progressive." } }, { "@type": "Question", "name": "Quels symptômes peuvent indiquer un AVC visuel ?", "position": 9, "acceptedAnswer": { "@type": "Answer", "text": "Des symptômes incluent une perte soudaine de vision d'un œil et des troubles de l'équilibre." } }, { "@type": "Question", "name": "Comment reconnaître un glaucome ?", "position": 10, "acceptedAnswer": { "@type": "Answer", "text": "Le glaucome peut se manifester par une vision tunnel et des douleurs oculaires, surtout en cas aigu." } }, { "@type": "Question", "name": "Comment prévenir les maladies des voies optiques ?", "position": 11, "acceptedAnswer": { "@type": "Answer", "text": "Un contrôle régulier de la santé oculaire et un mode de vie sain sont essentiels." } }, { "@type": "Question", "name": "Quels examens sont recommandés pour les personnes à risque ?", "position": 12, "acceptedAnswer": { "@type": "Answer", "text": "Des examens ophtalmologiques réguliers sont recommandés, surtout pour les personnes âgées." } }, { "@type": "Question", "name": "Comment réduire le risque de glaucome ?", "position": 13, "acceptedAnswer": { "@type": "Answer", "text": "Maintenir une pression artérielle normale et éviter le tabagisme peut réduire le risque." } }, { "@type": "Question", "name": "Quelles habitudes alimentaires favorisent la santé oculaire ?", "position": 14, "acceptedAnswer": { "@type": "Answer", "text": "Une alimentation riche en antioxydants, comme les légumes verts et les fruits, est bénéfique." } }, { "@type": "Question", "name": "Comment protéger ses yeux des blessures ?", "position": 15, "acceptedAnswer": { "@type": "Answer", "text": "Porter des lunettes de protection lors d'activités à risque aide à prévenir les blessures oculaires." } }, { "@type": "Question", "name": "Quels traitements existent pour la névrite optique ?", "position": 16, "acceptedAnswer": { "@type": "Answer", "text": "Les corticostéroïdes sont souvent prescrits pour réduire l'inflammation et améliorer la vision." } }, { "@type": "Question", "name": "Comment traiter un glaucome ?", "position": 17, "acceptedAnswer": { "@type": "Answer", "text": "Le glaucome est traité par des médicaments, des laser ou une chirurgie pour réduire la pression intraoculaire." } }, { "@type": "Question", "name": "Quelles sont les options pour les tumeurs des voies optiques ?", "position": 18, "acceptedAnswer": { "@type": "Answer", "text": "Les options incluent la chirurgie, la radiothérapie et la chimiothérapie selon le type de tumeur." } }, { "@type": "Question", "name": "Comment gérer les troubles du champ visuel ?", "position": 19, "acceptedAnswer": { "@type": "Answer", "text": "Des rééducations visuelles et des aides visuelles peuvent aider à compenser les pertes." } }, { "@type": "Question", "name": "Quels médicaments sont utilisés pour traiter les AVC visuels ?", "position": 20, "acceptedAnswer": { "@type": "Answer", "text": "Des anticoagulants et des médicaments pour contrôler la pression artérielle sont souvent prescrits." } }, { "@type": "Question", "name": "Quelles complications peuvent survenir après une névrite optique ?", "position": 21, "acceptedAnswer": { "@type": "Answer", "text": "Des complications incluent une perte permanente de vision et des récidives de la maladie." } }, { "@type": "Question", "name": "Quels risques sont associés à un AVC visuel ?", "position": 22, "acceptedAnswer": { "@type": "Answer", "text": "Les risques incluent des séquelles visuelles permanentes et des troubles cognitifs." } }, { "@type": "Question", "name": "Comment le glaucome peut-il affecter la qualité de vie ?", "position": 23, "acceptedAnswer": { "@type": "Answer", "text": "Le glaucome peut entraîner une perte de vision progressive, affectant les activités quotidiennes." } }, { "@type": "Question", "name": "Quelles sont les conséquences d'une tumeur des voies optiques ?", "position": 24, "acceptedAnswer": { "@type": "Answer", "text": "Les conséquences peuvent inclure des troubles visuels, des maux de tête et des troubles neurologiques." } }, { "@type": "Question", "name": "Quels effets secondaires peuvent résulter des traitements ?", "position": 25, "acceptedAnswer": { "@type": "Answer", "text": "Les traitements peuvent entraîner des effets secondaires comme des infections, des douleurs et des nausées." } }, { "@type": "Question", "name": "Quels facteurs augmentent le risque de glaucome ?", "position": 26, "acceptedAnswer": { "@type": "Answer", "text": "L'âge, les antécédents familiaux et certaines conditions médicales comme le diabète augmentent le risque." } }, { "@type": "Question", "name": "Comment le tabagisme influence-t-il la santé oculaire ?", "position": 27, "acceptedAnswer": { "@type": "Answer", "text": "Le tabagisme est lié à un risque accru de maladies oculaires, y compris le glaucome et la cataracte." } }, { "@type": "Question", "name": "Quels antécédents médicaux sont des facteurs de risque ?", "position": 28, "acceptedAnswer": { "@type": "Answer", "text": "Les antécédents de maladies auto-immunes ou de troubles neurologiques augmentent le risque." } }, { "@type": "Question", "name": "Quel rôle joue l'hypertension dans les maladies oculaires ?", "position": 29, "acceptedAnswer": { "@type": "Answer", "text": "L'hypertension peut endommager les vaisseaux sanguins de l'œil, augmentant le risque de glaucome." } }, { "@type": "Question", "name": "Comment l'exposition au soleil affecte-t-elle les yeux ?", "position": 30, "acceptedAnswer": { "@type": "Answer", "text": "Une exposition excessive au soleil peut augmenter le risque de cataracte et de dégénérescence maculaire." } } ] } ] }

Sources (10000 au total)

Manual myofascial release and muscle energy enhances trunk flexibility and strength in recreationally resistance-trained women: Cross-over study.

The purpose of this study was to compare the effects of myofascial release and muscle energy on acute outcomes in trunk extensors active range-of-motion and strength in recreationally resistance-train...

Effects of a sedentary behaviour intervention in emergency dispatch centre phone operators: a study protocol for the SECODIS randomised controlled cross-over trial.

Sedentary behaviour is a public health problem. We mainly have sedentary behaviour at work, transforming them into occupational risk. To our knowledge, there is no intervention study on the reduction ... This is a randomised controlled trial in cross-over design conducted in a single centre. The study will be proposed to emergency medical dispatchers of Clermont-Ferrand. Each volunteer will be followe... The study protocol has been approved by the Ethics Committee Ouest IV, FRANCE. The study is registered in ClinicalTrials.gov. All patients will be informed about the details of the study and sign writ... NCT05931406....

Effects of FODMAPs and Gluten on Gut Microbiota and Their Association with the Metabolome in Irritable Bowel Syndrome: A Double-Blind, Randomized, Cross-Over Intervention Study.

A mechanistic understanding of the effects of dietary treatment in irritable bowel syndrome (IBS) is lacking. Our aim was therefore to investigate how fermentable oligo- di-, monosaccharides, and poly... We used data from a double-blind, randomized, crossover study with week-long provocations of FODMAPs, gluten, and placebo in participants with IBS. To study the effects of the provocations on fecal mi... FODMAPs increased fecal saccharolytic bacteria, plasma phenolic-derived metabolites, 3-indolepropionate, and decreased isobutyrate and bile acids. Gluten decreased fecal isovalerate and altered carnit... FODMAPs, but not gluten, altered microbiota composition and correlated with phenolic-derived metabolites and 3-indolepropionate, with only weak associations with IBS symptoms. Thus, the minor effect o...

Older adults exercising ON TIME: protocol for a randomized controlled cross-over study to assess the effect of physical activity timing on insomnia severity.

There are increased indications that physical activity timing, irrespective of intensity, impacts insomnia and circadian clock function. Here, we describe the rationale and design of a randomized cros... We will conduct a randomized cross-over trial in 40 healthy older adults (aged 65 to 75 years) with subclinical or clinical insomnia (Insomnia Severity Index (ISI) scores of ≥ 10) from the Dutch munic... We anticipate that this study will make a significant contribution to the limited knowledge on the effect of physical activity timing. Optimizing physical activity timing has the potential to augment ... Trial was approved by the Medical Ethics Committee Leiden, The Hague, Delft, The Netherlands (June, 2023). The trial was registered in the CCMO-register https://www.toetsingonline.nl/to/ccmo_search.ns...

A double-blind, randomised cross-over study to evaluate the absorption of a commercially available Ginkgo biloba extract compared to the liposomal extract Ginkgosome.

Ginkgo biloba extracts (GBE) have been used in traditional medicines for centuries. GBE has been shown to deliver protective effects against symptoms of age-related cognitive decline. Despite there be... Thirteen healthy male and female volunteers completed this single equivalent dose, randomised, double-blind crossover study. Plasma concentrations were determined at baseline and at regular intervals ... The liposomal formulation was able to increase plasma concentration of ginkgolide B and C by 1.9 and 2.2-fold compared to the comparator formulation.... The novel liposomal formulation is safe in humans and demonstrates superior absorption for the supply of GBE constituents compared to a comparator standardised formulation....

Co-creation and implementation of a healthy lunch at Dutch primary schools in disadvantaged neighbourhoods: design of a cluster randomised cross-over effectiveness study.

The majority of children fails to have a healthy diet. Providing a healthy lunch at school is a way to target all children, regardless of ethnic and socioeconomic background. This study aims to invest... This is a cluster randomised cross-over trial with five participating primary schools. Schools will be randomised to have an 18 week healthy school lunch the first or second half of the academic year.... This study obtained ethical approval from the Institutional research Review Board Erasmus MC of Rotterdam, the Netherlands. Informed consent will be collected from all participants (parents, teachers ... NCT06058325....

Equivalence of the top-down manoeuvre and bottom-up manoeuvre in speed and accuracy of identifying the cricothyroid membrane: a prospective randomised cross-over study.

Accurate identification of the cricothyroid membrane is crucial for successful cricothyrotomy; however, a manoeuvre that helps identify it both accurately and quickly remains unclear. The effectivenes... This study was a prospective randomised cross-over trial conducted at an academic medical centre between 2018 and 2019. Fifth-year medical students participated. The students were trained in the use o... A total of 102 medical students participated in this study and there was no missing data. The accuracy of identification and time required for success were similar between the top-down manoeuvre and t... Among students first trained in both manoeuvres for identifying the cricothyroid membrane, the speed and accuracy of identification were similar between those using the bottom-up manoeuvre and those u...