Titre : Acuité visuelle

Acuité visuelle : Questions médicales fréquentes

Termes MeSH sélectionnés :

Necrosis
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?", "url": "https://questionsmedicales.fr/mesh/D014792?mesh_terms=Necrosis&page=3#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=Necrosis&page=3#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=Necrosis&page=3#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 (2467 au total)

Predictors of muscle necrosis in patients with acute compartment syndrome.

The predictors of muscle necrosis after acute compartment syndrome (ACS) remain debated. This study aimed to investigate the predictors for muscle necrosis in ACS patients.... We collected data on ACS patients following fractures from January 2010 to November 2022. Patients were divided into the muscle necrosis group (MG) and the non-muscle necrosis group (NG). The demograp... In our study, the rate of MN was 37.6% (83 of 221). Univariate analysis showed that numerous factors were associated with muscle necrosis following ACS. Logistic regression analysis indicated that cru... Our findings showed that crush injury and the level of NEU, CKMB, and PT were risk factors for muscle necrosis after ACS. Additionally, we also identified the cut-off values of NEU, CKMB, and PT and f...

Avascular necrosis during alectinib treatment: Case report.

We present our patient who used alectinib due to anaplastic lymphoma kinase positivity and developed avascular necrosis in the femoral head.... In our patient who had been taking alectinib for a long time due to anaplastic lymphoma kinase positivity, avascular necrosis of the femoral head was detected as a result of the examination performed ... Femoral head avascular necrosis can be seen with tyrosine kinase inhibitors, although it is very rare. This is the case in the literature to develop avascular necrosis due to alectinib. We think that ...

Immunological and prognostic significance of tumour necrosis in colorectal cancer.

Colorectal cancer (CRC) causes the second most cancer deaths worldwide, but the disease course varies according to tumour characteristics and immunological factors. Our objective was to examine the as... Three independent CRC cohorts, including 1413 patients, were analysed. Associations of the areal percentage of tumour necrosis with clinicopathologic parameters, tumour infiltrating immune cells, cyto... Higher tumour necrosis percentage associated with shorter colorectal cancer-specific survival independent of tumour grade, T, N or M-class, mismatch repair status, BRAF status, and other possible conf... Our results support the value of tumour necrosis as a prognostic factor in colorectal cancer. CXCL8 may have a role in the systemic effects of tumour necrosis....

Gemcitabine-associated digital necrosis in metastatic breast cancer.

Gemcitabine is a nucleoside analog antimetabolite used in various malignancies, including metastatic breast cancer. Objective response rates in its use as a single agent in the treatment of metastatic... A 54-year-old metastatic breast cancer female patient had digital ischemia and necrosis in the left hand's fifth finger after the second course of single-agent gemcitabine as the fourth line setting. ... Gemcitabine was discontinued. Low molecular weight heparin and acetylsalicylic acid were started. The distal phalanx was amputated due to necrosis during follow-up. Gemcitabine was permanently stopped... Gemcitabine-related vascular events, including arterial thrombosis, may also occur in cancer patients, especially those with higher tumor burden. Therefore, predisposing factors for hypercoagulability...

Comprehensive Review: Acute Esophageal Necrosis in the Setting of Gastric Volvulus.

Acute esophageal necrosis (AEN) in the setting of gastric volvulus is a rare condition with only a handful of cases reported. Volvulus may contribute to AEN by limiting tissue perfusion and promoting ... We reviewed 225 original articles, literature reviews, case series, brief reports, case reports, and discuss six total cases of co-occurring esophageal necrosis and gastric volvulus.... We present the first comprehensive analysis of all reported cases in the literature to date and formulate management strategies for the co-occurrence of AEN and volvulus. Management of AEN should be d...

Management after fibula free flap necrosis in maxillofacial reconstruction.

Few articles discuss the management of a free fibula flap (FFF) necrosis in maxillofacial reconstruction.... Between 2005 and 2020, 170 FFF were used for maxillofacial reconstruction at the University Hospital of Caen, among which 16 cases suffered total necrosis and flap removal. The authors categorized the... In Group A, two patients underwent immediate reconstruction with a new free flap. There were no postoperative complications, and the average hospitalization duration after removal of the first flap wa... Based on our experience and the literature review, the use of an immediate new free flap appears to be the best approach after the removal of a FFF. This generates shorter healing times and shorter ho...

Predictors of Mortality and Revision Following Digital Amputation for Infection and Necrosis.

Digital amputation is a commonly performed procedure for infection and necrosis in patients with diabetes, peripheral vascular disease (PVD), and on dialysis. There is a lack of data regarding prognos... All digital amputations over 10-year period (2008-2018) at a single center were reviewed. There were 484 amputations in 360 patients, among which 358 were performed for trauma (reference sample) and 1... The 2-year revision rate was 34% for amputations performed for infection or necrosis, compared to 15% for amputations due to trauma. For amputations performed for infection or necrosis, the revision r... Mortality and revision risk are high for patients requiring a digital amputation for infection or necrosis and are further increased with medical comorbidities. Hand surgeons should consider the progn... Prognostic IV....