<strong>Objective: </strong>The objective is to evaluate the visual acuity, high-order aberrations and satisfaction in the cataract patients with the implantation of different types of AcrySof blue light f...<strong>Objective: </strong>The objective is to evaluate the visual acuity, high-order aberrations and satisfaction in the cataract patients with the implantation of different types of AcrySof blue light filtering intraocular lens, which would provide the clinical guidance for the selection of individualized intraocular lens. <strong>Methods:</strong> From January 2019 to December 2020, the patients with age-related cataract in Guangzhou Red Cross Hospital were equally randomized to be divided into four groups. 20 patients (20 eyes) were implanted with AcrySof (SN60WF), which was the blue light filtering single focus group;20 patients (20 eyes) were implanted with blue light filtering aspheric multifocal intraocular lens (AcrySof ReSTOR IOL +3.0D, SN6AD1), which was the multifocal intraocular lens group;20 patients (20 eyes) were implanted with aspheric astigmatism correction intraocular lens (Toric SN6AT), which was the astigmatism group;20 patients (20 eyes) were implanted with blue filtering aspheric multifocal astigmatism correction intraocular lens (AcrySof ReSTOR IOL +2.5D IQ, SV25T0), which was the ART group. Three months after the operation, the patients were followed up with slit lamp to check the visual acuity, including uncorrected distance visual acuity (UCDVA), uncorrected near visual acuity (UCNVA), best corrected distance visual acuity, (BCDVA);the questionnaire surveys on the satisfaction of different intraocular lens implantation (far and near vision, glare, halo and abnormal visual symptoms);the iTrace visual function analyzer was used to check the total high-order aberrations (spherical aberration, wisdom aberration and Clover aberration) in the 3 mm pupil diameter. <strong>Results:</strong> Three months after cataract surgery, American Simplified version of questionnaire survey showed that the scores of near removing glasses in the multifocal group and the ART group were significantly better than those in the single focus group and the astigmatism group (<em>P</em> < 0.05);there was no significant difference in the satisfaction of far removing glasses, glare and halo in each group (<em>P</em> > 0.05). Three months after cataract surgery, there were statistically significant differences about UCDVA, BCDVA and UCNVA among the four groups (<em>F</em> = 18.189, <em>P </em>< 0.001), the UCNVA in the multifocal group and ART group was significantly better than that in the single focus group and the astigmatism group (<em>P</em> < 0.01). The difference of higher-order aberrations (total higher-order aberrations, wisdom aberrations, spherical aberrations, clover aberrations) was no statistically significant among the four groups (<em>P</em> > 0.05). <strong>Conclusion: </strong>Different types of AcrySof blue light filtering intraocular lens implantation could improve the far vision and satisfaction of cataract patients, without different higher-order aberrations. Multifocal intraocular lens and ART intraocular lens could significantly improve the far vision of patients and reduce the dependence on near glasses.展开更多
Adsorption and desorption mechanisms of methylene blue (MB) removal with iron-oxide coated porous ce-ramics filter (IOCPCF) were investigated in batch and column mode. The results revealed that MB removal mechanisms i...Adsorption and desorption mechanisms of methylene blue (MB) removal with iron-oxide coated porous ce-ramics filter (IOCPCF) were investigated in batch and column mode. The results revealed that MB removal mechanisms included physical adsorption and chemical adsorption, of which chemical adsorption by surface ligand complex reaction played a dominant role after infrared spectrum analysis. Recycling agents were se-lected from dilute nitric acid (pH=3), sodium hydroxide solution (pH=12) and distilled water. Among three agents, dilute metric acid (pH=3) was the best recycling agent. Regeneration rate of IOCPCF arrived at 82.56% at batch adsorption and regeneration was finished in 75min at column adsorption. Adsorp-tion-desorption cycles of IOCPCF after batch and column adsorption were four and three times, respectively. Further, compared with fresh IOCPCF, MB removal rate with these desorbed IOCPCF adsorption only slightly decreased, which suggested that IOCPCF should be used repeatedly.展开更多
目的比较白内障超声乳化术后蓝光滤过型Acry-sofNatural(SN60AT)和一片式Acrysof(SA60AT)人工晶状体植入的临床效果。方法44例(44眼)白内障患者随机分为2组:I组24例(24眼),透明角膜切口,超声乳化后用推注器植入Acrys of Natural人工晶状...目的比较白内障超声乳化术后蓝光滤过型Acry-sofNatural(SN60AT)和一片式Acrysof(SA60AT)人工晶状体植入的临床效果。方法44例(44眼)白内障患者随机分为2组:I组24例(24眼),透明角膜切口,超声乳化后用推注器植入Acrys of Natural人工晶状体;Ⅱ组20例(20眼),同样手术方法植入一片式Acrysof人工晶状体。术后1d、1周、1个月、2个月、3个月、6个月观察比较2组患者中心视力、对比敏感度、色觉、稳定性、后囊膜混浊、后囊皱褶等情况。结果2组患者术后裸眼视力达0.8以上者分别为58.3%和55·0%,0.5以上者分别为95.8%和93.5%,差异无显著性(P>0·05)。I组对比敏感度较Ⅱ组在高频率点(12.0cpd)、低频率点(1·5cpd、3.0cpd)有提高,差异有显著性(P<0.05)。2组色觉差异无显著性,术后无一例发生色素膜炎反应,后囊皱褶发生率分别为4.2%和5.0%,暂未发现明显后发性白内障。结论2种人工晶状体均有很好的光学特性及稳定性。Acry-sofNatural没有因为加入一些新的成分而增加后发性白内障的发生,添加的色素基因使整个植入过程更容易观察。展开更多
文摘<strong>Objective: </strong>The objective is to evaluate the visual acuity, high-order aberrations and satisfaction in the cataract patients with the implantation of different types of AcrySof blue light filtering intraocular lens, which would provide the clinical guidance for the selection of individualized intraocular lens. <strong>Methods:</strong> From January 2019 to December 2020, the patients with age-related cataract in Guangzhou Red Cross Hospital were equally randomized to be divided into four groups. 20 patients (20 eyes) were implanted with AcrySof (SN60WF), which was the blue light filtering single focus group;20 patients (20 eyes) were implanted with blue light filtering aspheric multifocal intraocular lens (AcrySof ReSTOR IOL +3.0D, SN6AD1), which was the multifocal intraocular lens group;20 patients (20 eyes) were implanted with aspheric astigmatism correction intraocular lens (Toric SN6AT), which was the astigmatism group;20 patients (20 eyes) were implanted with blue filtering aspheric multifocal astigmatism correction intraocular lens (AcrySof ReSTOR IOL +2.5D IQ, SV25T0), which was the ART group. Three months after the operation, the patients were followed up with slit lamp to check the visual acuity, including uncorrected distance visual acuity (UCDVA), uncorrected near visual acuity (UCNVA), best corrected distance visual acuity, (BCDVA);the questionnaire surveys on the satisfaction of different intraocular lens implantation (far and near vision, glare, halo and abnormal visual symptoms);the iTrace visual function analyzer was used to check the total high-order aberrations (spherical aberration, wisdom aberration and Clover aberration) in the 3 mm pupil diameter. <strong>Results:</strong> Three months after cataract surgery, American Simplified version of questionnaire survey showed that the scores of near removing glasses in the multifocal group and the ART group were significantly better than those in the single focus group and the astigmatism group (<em>P</em> < 0.05);there was no significant difference in the satisfaction of far removing glasses, glare and halo in each group (<em>P</em> > 0.05). Three months after cataract surgery, there were statistically significant differences about UCDVA, BCDVA and UCNVA among the four groups (<em>F</em> = 18.189, <em>P </em>< 0.001), the UCNVA in the multifocal group and ART group was significantly better than that in the single focus group and the astigmatism group (<em>P</em> < 0.01). The difference of higher-order aberrations (total higher-order aberrations, wisdom aberrations, spherical aberrations, clover aberrations) was no statistically significant among the four groups (<em>P</em> > 0.05). <strong>Conclusion: </strong>Different types of AcrySof blue light filtering intraocular lens implantation could improve the far vision and satisfaction of cataract patients, without different higher-order aberrations. Multifocal intraocular lens and ART intraocular lens could significantly improve the far vision of patients and reduce the dependence on near glasses.
文摘Adsorption and desorption mechanisms of methylene blue (MB) removal with iron-oxide coated porous ce-ramics filter (IOCPCF) were investigated in batch and column mode. The results revealed that MB removal mechanisms included physical adsorption and chemical adsorption, of which chemical adsorption by surface ligand complex reaction played a dominant role after infrared spectrum analysis. Recycling agents were se-lected from dilute nitric acid (pH=3), sodium hydroxide solution (pH=12) and distilled water. Among three agents, dilute metric acid (pH=3) was the best recycling agent. Regeneration rate of IOCPCF arrived at 82.56% at batch adsorption and regeneration was finished in 75min at column adsorption. Adsorp-tion-desorption cycles of IOCPCF after batch and column adsorption were four and three times, respectively. Further, compared with fresh IOCPCF, MB removal rate with these desorbed IOCPCF adsorption only slightly decreased, which suggested that IOCPCF should be used repeatedly.
文摘目的比较白内障超声乳化术后蓝光滤过型Acry-sofNatural(SN60AT)和一片式Acrysof(SA60AT)人工晶状体植入的临床效果。方法44例(44眼)白内障患者随机分为2组:I组24例(24眼),透明角膜切口,超声乳化后用推注器植入Acrys of Natural人工晶状体;Ⅱ组20例(20眼),同样手术方法植入一片式Acrysof人工晶状体。术后1d、1周、1个月、2个月、3个月、6个月观察比较2组患者中心视力、对比敏感度、色觉、稳定性、后囊膜混浊、后囊皱褶等情况。结果2组患者术后裸眼视力达0.8以上者分别为58.3%和55·0%,0.5以上者分别为95.8%和93.5%,差异无显著性(P>0·05)。I组对比敏感度较Ⅱ组在高频率点(12.0cpd)、低频率点(1·5cpd、3.0cpd)有提高,差异有显著性(P<0.05)。2组色觉差异无显著性,术后无一例发生色素膜炎反应,后囊皱褶发生率分别为4.2%和5.0%,暂未发现明显后发性白内障。结论2种人工晶状体均有很好的光学特性及稳定性。Acry-sofNatural没有因为加入一些新的成分而增加后发性白内障的发生,添加的色素基因使整个植入过程更容易观察。
