questionsmedicales.fr
Phénomènes physiologiques oculaires
Acuité visuelle
Acuité visuelle : Questions médicales fréquentes
Termes MeSH sélectionnés :
Aggregatibacter actinomycetemcomitans
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"headline": "Diagnostic sur Acuité visuelle",
"description": "Comment évaluer l'acuité visuelle ?\nQuels tests sont utilisés pour le diagnostic ?\nQuand consulter un ophtalmologiste ?\nQu'est-ce qu'un examen de la vue ?\nQuels signes indiquent une mauvaise acuité visuelle ?",
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"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 ?",
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"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 ?",
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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 ?",
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"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 ?",
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"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 ?",
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"@type": "Question",
"name": "Comment évaluer l'acuité visuelle ?",
"position": 1,
"acceptedAnswer": {
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"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."
}
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{
"@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."
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{
"@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."
}
}
]
}
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The purpose of this study was to determine the bacterial disinfection efficacy of four photosensitizers (PSs; curcumin, riboflavin, toluidine blue O, and phycocyanin) with blue diode laser (Blue DL) a...
A total of 60 dental implants were contaminated with A. actinomycetemcomitans. All implants were then randomized into ten different disinfection modalities (n = 6 implants per group). The irradiation ...
All disinfection methods significantly reduced bacteria amounts of dental implants inoculated with A. actinomycetemcomitans compared to control group. The CFU/ml in LED group was significantly lower t...
aPDT could be an effective supplement in dental implants disinfection. The LED, proved to be better in reducing CFU/ml of A. actinomycetemcomitans on dental implants surface than DL....
Aggregatibacter actinomycetemcomitans (Aa), previously known as Actinobacillus actinomycetemcomitans, is a slow-growing Gram-negative coccobacillus, member of the HACEK group of bacteria colonizing or...
We report the case of a 15-year-old previously healthy boy diagnosed with both pulmonary empyema and subphrenic chest wall abscess caused by Aa. He was admitted to our Pediatric Emergency department f...
Extra-oral infections caused by Aa are extremely rare, especially in children, and not well described yet. To our knowledge, there is only another similar case described in literature. However, the ca...
Aggregatibacter actinomycetemcomitans is an opportunistic Gram-negative periodontopathogen strongly associated with periodontitis and infective endocarditis. Recent evidence suggests that periodontopa...
To evaluate subgingival instrumentation (SI) in periodontitis stage III and IV, grade B and C with systemic antibiotics (AB) only after detection of Aggregatibacter actinomycetemcomitans....
Patients of the Department of Periodontology of Goethe University Frankfurt/Germany were screened for microbiological testing between 2008 and 2018. All patients with aggressive and generalized severe...
Four-hundred and twenty-five patients (280 stage III/145 stage IV, 95 grade B/330 grade C) provided complete data (AB 144/nAB 281) for T0 and T1, and 332 (AB 121/nAB 211) for T2. At T1/T2, AB resulted...
In periodontitis stage III and IV, grade B and C with subgingival A. actinomycetemcomitans infection, SI with AB resulted in higher rate of "treat-to-target" endpoint than exclusive SI in patients wit...
Each HACEK group pathogen, which can cause infective endocarditis, expresses type IVa pili. The type IVa major pilin PilA plays a role in bacterial colonization, virulence, twitching motility, and the...
Black extrinsic tooth stain (BETS) is a health challenge that commonly affects children. Aggregatibacter actinomycetemcomitans (Aa) presents in higher prevalence within the polymicrobial community of ...
Aa was isolated from a preschool child with BETS and was identified based on the morphological characteristics, MALDI-TOF mass spectroscopy and 16S rRNA sequencing. The effect of CEO and its individua...
Out of eight individual compounds of CEO, only eugenol, cinnamaldehyde and α-methyl cinnamaldehyde showed anti-Aa activities. The values of the minimum inhibitory concentrations (MICs) were in the fol...
CEO and its individual compounds have marked antibacterial activity against Aa. The effective results against planktonic and sessile Aa within reasonable time indicate that they can be used to prevent...
The aim of this work was to explore the association between Aggregatibacter actinomycetemcomitans (A actinomycetemcomitans) infection and disease activity amongst those with rheumatoid arthritis (RA) ...
A case-control study was conducted from November 2017 to March 2019. The correlation coefficients between A actinomycetemcomitans positivity and RA-related examination indicators as well as periodonta...
A total of 115 patients with RA were recruited: 67 patients with RA only and 48 with RA + PD. The percentage of A actinomycetemcomitans positivity was significantly higher in the RA + PD group compare...
A actinomycetemcomitans infection may be related to the development of PD amongst patients with RA....
To assess and compare the anti-microbial efficacy of 445 nm and 970 nm diode laser on mixed species biofilm of Aggregatibacter actinomycetemcomitans [A.a] and Porphyromonas gingivalis [P.g] cultured o...
The Interleukin (IL)-33 is important in several inflammatory diseases and its cellular receptor is the Interleukin 1 receptor-like 1 (IL1RL1), also called suppression of tumorigenicity 2 ligand (ST2L)...
This study aimed to assess the effect of antibacterial photodynamic therapy (aPDT) with chitosan nanoparticles on Aggregatibacter actinomycetemcomitans (A. actinomycetemcomitans) in the culture medium...
In this in vitro, experimental study, chitosan nanoparticles (CHNPs) containing indocyanine green (ICG) were first synthesized and characterized. A. actinomycetemcomitans was cultured on trypticase so...
Antimicrobial PDT with CHNPs, and CHX groups comparably showed the highest decontamination efficacy (P=0.000)....
The results showed optimal efficacy of aPDT with CHNPs containing 0.25 mg/mL ICG and 808 nm diode laser for reduction of A. actinomycetemcomitans colony count. Thus, aPDT appears to be as effective as...