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     <dc:title xml:lang="fr">Influence des lentilles de contact sclérales et cornéennes rigides sur les aberrations optiques chez des patients porteurs de cornée irrégulière en condition photopique et scotopique</dc:title>
     <dcterms:alternative xml:lang="en">The influence of rigid contact lens use on high-order optical aberrations in patients with irregular corneas, under scotopic and photopic conditions</dcterms:alternative>
     <dc:subject xml:lang="fr">Lentilles de contact</dc:subject><dc:subject xml:lang="fr">aberrométrie</dc:subject><dc:subject xml:lang="fr">cornée irrégulière</dc:subject><dc:subject xml:lang="fr">kératocône</dc:subject>
     <dc:subject xml:lang="en">contact lens</dc:subject><dc:subject xml:lang="en">aberrometry</dc:subject><dc:subject xml:lang="en">Keratoconus</dc:subject><dc:subject xml:lang="en">irregular cornea</dc:subject>
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						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="027765911">Lentilles de contact </tef:elementdEntree>
					</tef:vedetteRameauNomCommun><tef:vedetteRameauNomCommun>
						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="071016406">Kératocône</tef:elementdEntree>
					</tef:vedetteRameauNomCommun><tef:vedetteRameauNomCommun>
						<tef:elementdEntree autoriteSource="Sudoc" autoriteExterne="02756875X">Cornée</tef:elementdEntree>
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     <dcterms:abstract xml:lang="fr">Objectif : Comparaison des aberrations optiques cornéennes de haut grade (HOAc) avec et sans port de lentilles de contact rigides selon le diamètre pupillaire scotopique et photopique physiologique de patients porteurs de cornées irrégulières. Matériel et méthodes : Il s’agit d’une étude prospective qui a comparé les valeurs des RMS (root mean square) des aberrations cornéennes totales, de haut grade, de type coma, trefoil et sphérique avec et sans lentilles de contact rigides cornéennes et sclérales (LCR). Les mesures ont été effectuées selon la taille pupillaire scotopique et photopique physiologique de patients porteurs de cornée irrégulière. Résultats : 30 yeux ont été analysés. Les RMS mesurés avec port de LCR étaient moins importants que sans port de LCR (p&lt;O.O5), pour les aberrations totales (2.43 vs. 13.8 µm), de haut degré (0.90 vs. 3.55 µm), de type coma (0.49 VS 2.82 µm), de type trefoil (0.34 VS 1.18 µm) et de type sphérique (0.43 VS 1.06 µm) en condition scotopique. Les RMS mesurés avec port de LCR étaient moins importants que sans port de LCR (p&lt;O.O5), pour les aberrations totales (0.54 vs. 5.11 µm), de haut degré (0.18 vs. 1.42 µm), de type coma (0.1 vs.1.16 µm), de type trefoil (0.08 vs. 0.55 µm) et de type sphérique (0.08 vs. 0.33 µm) en condition photopique. L’acuité visuelle moyenne corrigée était plus élevée avec le port de LCR (0.09 LogMAR avec LCR/ 0.37 LogMAR sans LCR, p&lt;0,05) Conclusion : Le port de LCR a induit une diminution des HOAc mesurées en fonction du diamètre pupillaire scotopique et photopique physiologique des patients porteurs de cornées irrégulières</dcterms:abstract>
     <dcterms:abstract xml:lang="en">Objective: To assess the influence of rigid contact lens use on corneal high-order optical corneal aberrations (HOAc) in patients with irregular corneas, under photopic and scotopic conditions. Materials and Methods: We performed a prospective study of total, high-grade, coma, trefoil and spherical corneal aberrations (quantified as the root mean square (RMS) in patients with irregular corneas using (or not) rigid corneal or scleral contact lenses (rCSLs). The aberrations were analyzed under both scotopic and photopic conditions. Results: In total, 30 eyes were analyzed. Under scotopic conditions, the RMS values were lower (p&lt;0.05) with rCSLs than without for total aberrations (2.43 vs. 13.8 µm, respectively), high-order aberrations (0.90 vs. 3.55 µm), coma aberrations (0.49 vs. 2.82 µm), trefoil aberrations (0.34 vs. 1.18 µm) and spherical aberrations (0.43 vs. 1.06 µm). Under photopic conditions, the RMS values were again lower (p&lt;0.05) with rCSLs than without for total aberrations (0.54 vs. 5.11 µm, respectively), high-order aberrations (0.18 vs. 1.42 µm), coma aberrations (0.1 vs. 1.16 µm), trefoil aberrations (0.08 vs. 0.55 µm) and spherical aberrations (0.08 vs. 0.33 µm).The mean corrected visual acuity was higher with rCSLs (0.09 LogMAR, vs. 0.37 LogMAR without rCSLs; p&lt;0.05). Conclusion: In patients with irregular corneas, rCSL use was associated with lower HOAc under both scotopic and photopic conditions.</dcterms:abstract>
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       <tef:nom>Bachir Bouadjera</tef:nom>
       <tef:prenom>Yasmine</tef:prenom>
       
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                        <dc:identifier xsi:type="tef:NNT">2020REN1M123</dc:identifier>
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