Titre : Acuité visuelle

Acuité visuelle : Questions médicales fréquentes

Termes MeSH sélectionnés :

Color
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"headline": "Symptômes sur Acuité visuelle", "description": "Quels sont les symptômes d'une mauvaise acuité visuelle ?\nLa vision double est-elle liée à l'acuité visuelle ?\nComment la myopie affecte-t-elle l'acuité visuelle ?\nQuels sont les signes d'une dégénérescence maculaire ?\nLa fatigue oculaire peut-elle réduire l'acuité visuelle ?", "url": "https://questionsmedicales.fr/mesh/D014792?mesh_terms=Color&page=2#section-symptômes" }, { "@type": "MedicalWebPage", "name": "Prévention", "headline": "Prévention sur Acuité visuelle", "description": "Comment prévenir la perte d'acuité visuelle ?\nL'utilisation d'écrans affecte-t-elle l'acuité visuelle ?\nQuels aliments sont bons pour la santé des yeux ?\nLe tabagisme affecte-t-il l'acuité visuelle ?\nComment protéger ses yeux du soleil ?", "url": "https://questionsmedicales.fr/mesh/D014792?mesh_terms=Color&page=2#section-prévention" }, { "@type": "MedicalWebPage", "name": "Traitements", "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=Color&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=Color&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=Color&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 (4713 au total)

Effect of thickness on color and translucency of a multi-color polymer-infiltrated ceramic-network material.

To evaluate the effect of thickness on color and translucency of a multi-color polymer-infiltrated ceramic-network (PICN) material.... Specimens of 0.5, 1.0, 1.5 mm thicknesses were obtained by sectioning VITA ENAMIC® multiColor (E-MC) High Translucent CAD-CAM blocks (1M1-HT, 1M2-HT, 2M2-HT, 3M2-HT, and 4M2-HT). Spectral reflectance ... In general, ΔE... The gradient in color and translucency of E-MC PICN material was influenced by the thickness of the CAD-CAM block. In addition, color and TP transition values between the layers depends on the thickne... The effect of thickness must be taken into account by dental technicians and dentists when CAD-CAM multicolor PICN materials are used....

Linked color imaging provides enhanced visibility with a high color difference in upper gastrointestinal neoplasms.

The aim of this post-hoc analysis in a randomized, controlled, multicenter trial was to evaluate the visibility of upper gastrointestinal (UGI) neoplasms detected using linked color imaging (LCI) comp... The visibility of the detected UGI neoplasm images obtained using both WLI and LCI was subjectively reviewed, and the median color difference (ΔE) between each lesion and the surrounding mucosa accord... A total of 120 neoplasms, including 10, 32, and 78 neoplasms in the pharynx, esophagus, and stomach, respectively, were analyzed in this study. LCI enhanced the visibility 80.9% and 93.6% of neoplasms... Color differences were independently associated with missing gastric neoplasms under WLI, suggesting that LCI has an obvious advantage over WLI in enhancing neoplastic visibility....

Linked color imaging improves visibility of colorectal serrated lesion by high color contrast to surrounding mucosa.

This study aimed to objectively evaluate the efficacy of linked color imaging (LCI) in diagnosing colorectal serrated lesions by utilizing visibility scores and color differences.... We examined 89 serrated lesions, including 36 hyperplastic polyps (HPs), 47 sessile serrated lesions (SSLs), and six traditional serrated adenomas (TSAs). Visibility changes were scored by six endosco... The visibility scores of both HPs and SSLs in LCI were significantly higher than that in WLI (HPs, 3.67/2.89, P < 0.001; SSLs, 3.07/2.36, P < 0.001). Furthermore, SSLs showed a significantly higher L*... Linked color imaging showed higher color contrast between serrated lesions and the surrounding mucosae compared with WLI, indicating improved visibility of colorectal serrated lesion using LCI....

Color change of tooth-colored restorative materials bonded to silver diamine fluoride-treated dentine: a systematic review.

The desirable properties of silver diamine fluoride (SDF) make it an effective agent for managing dental caries and tooth hypersensitivity. There are several clinical instances that SDF application mi... Comprehensive search of PubMed, Embase, Scopus and ISI Web of Science databases (until August 2023) as well as reference lists of retrieved studies was performed. In vitro studies reported color or co... Eleven studies/reports with a total of 394 tooth-colored restorations placed following a) no SDF (control) or b) SDF with/without potassium iodide (KI)/glutathione dentine pre-treatments were included... The limited evidence suggested comparable color changes of RBC restorations with and without 38% SDF + KI pre-treatment up to 60 days. The included studies lacked uniformity in methodology and reporte... The protocol of this systematic review was registered in PROSPERO database under number CRD42023485083....

In vitro surface and color changes of tooth-colored restorative materials after sport and energy drink cyclic immersions.

There has not been any research conducted on surface properties and color changes from sport and energy drinks on bulk-fill resin composite, nanohybrid resin composite and glass ionomer restorative ma... One hundred and forty-seven specimens of each tooth-colored restorative material were prepared in a polytetrafluoroethylene mold (10 mm. in diameter and 2 mm. in thickness). Before immersion, baseline... After immersion, the glass ionomer restorative material had statistically less hardness, more roughness and more color changes than the others (P < 0.05). Energy drink groups statistically caused more... Sport and energy drinks affected hardness, roughness, and color changes in all the tooth-colored restorative materials evaluated....

Effect of hydrogen peroxide versus charcoal-based whitening mouthwashes on color, surface roughness, and color stability of enamel.

Patients tend to favor the whitening mouthwashes as they are easily applied and affordable. This study aimed to evaluate the effect of hydrogen peroxide versus charcoal-based whitening mouthwashes on ... A total of 21 permanent central incisor teeth extracted for periodontal reasons were used in the present study. Teeth roots were sectioned and crowns were mounted in self-cured acrylic resin blocks. T... Color change results revealed that both whitening mouthwashes were able to restore color comparable to the control group with no significant difference between them. Regarding surface roughness, the c... Hydrogen peroxide and charcoal-based whitening mouthwashes improve the color of enamel with no adverse effect on the surface roughness. Both whitening mouthwashes were beneficial to maintain the color...