<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
Benzophenone ultraviolet light filters(BPs)are high-production-volume chemicals extensively used in personal care products,leading to widespread human exposure.Given their estrogenic properties,the potential health ri...Benzophenone ultraviolet light filters(BPs)are high-production-volume chemicals extensively used in personal care products,leading to widespread human exposure.Given their estrogenic properties,the potential health risks associated with exposure to BPs have become a public health concern.This review aims to summarize sources and pathways of exposure to BPs and associated health risks.Dermal exposure,primarily through the use of sunscreens,constitutes a major pathway for BP exposure.At a recommended application rate,dermal exposure of BP-3 via the application of sunscreens may reach or exceed the suggested reference dose.Other exposure pathways to BPs,such as drinking water,seafood,and packaged foods,contribute minimal to the overall dose.Inhalation is a minor pathway of exposure;however,its contribution cannot be ignored.Human exposure to BPs is an order of magnitude higher in North America than in Asia and Europe.Studies conducted on laboratory animals and cells have consistently demonstrated the toxic effects of BP exposure.BPs are estrogenic and elicit reproductive and developmental toxicities.Furthermore,neurotoxicity,hepatotoxicity,nephrotoxicity,and carcinogenicity have been reported from chronic BP exposure.In addition to animal and cell studies,epidemiological investigations have identified associations between BPs and couples'fecundity and other reproductive disorders,as well as adverse birth outcomes.Further studies are urgently needed to understand the risks posed by BPs on human health.展开更多
A novel mode-filtered light gas sensor has been reported. It was constructed by inserting an optical fiber deposited by a thin silicone cladding of cryptophane A into a fused-silica capillary. When different concentra...A novel mode-filtered light gas sensor has been reported. It was constructed by inserting an optical fiber deposited by a thin silicone cladding of cryptophane A into a fused-silica capillary. When different concentration of methane gas was introduced to the sensor, the phenomenon that mode-filtered light intensity decreased with the increasing concentration of methane was observed. And a linear relationship was obtained within the methane concentration range of 0.0-16.0% (v/v). The detection limit was 0.06% (v/v). The mode-filtered light sensor has been exploited to respond to various concentrations of methane gas at room temperature.展开更多
A novel potassium ions sensor based on mode-filtered light detection was reported. The analyzer was consisting of an optical fiber immobilized with a dye of bromocresol green and a fused-silica capillary. It was found...A novel potassium ions sensor based on mode-filtered light detection was reported. The analyzer was consisting of an optical fiber immobilized with a dye of bromocresol green and a fused-silica capillary. It was found that mode-filtered light intensity decreased with the concentration of potassium ions and a linear detection range of 0.25-20 mmol/L (R^2 = 0.9977) was obtained with a detection limit of 9 ×10^-5 mol/L as well as fast response, good reproducibility and reversibility in the working concentration range.展开更多
针对现有机载LiDAR(light detection and ranging)点云滤波方法在地形起伏剧烈的林区适用性不足的问题,提出一种多分辨率层次布料模拟滤波方法。首先,通过多尺度形态学开运算选择大量种子地面点;然后,基于种子地面点,使用布料模拟法由...针对现有机载LiDAR(light detection and ranging)点云滤波方法在地形起伏剧烈的林区适用性不足的问题,提出一种多分辨率层次布料模拟滤波方法。首先,通过多尺度形态学开运算选择大量种子地面点;然后,基于种子地面点,使用布料模拟法由低至高逐层构建参考地形,以快速获取高分辨率参考地形;最后,基于点至参考地形的高差区分地面点和非地面点。利用国际摄影测量和遥感学会提供的数据集和参考方法,评估该方法性能。利用在中国、美国多个代表性林区的点云数据,评估该方法的可推广性。结果表明,该方法的Kappa系数和运行时间是83.72%和34.11 s,精度和效率较经典布料模拟滤波方法提高10.49%和52.17%。相比8种参考方法,该方法能够获得更高精度,并且具有稳定的可推广性。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.
基金The financial support from the National Nature Science Foundation of China (No. 10835008) and State Key Laboratory of Coal Conversion (SKLCC) in-house project (No. 2008BWZ011) were highly acknowledged.
基金supported by the Natural Science Foundation of China(No.22022612,and No.21677184)Natural Science Foundation of Guangdong Province,China(No.2020A0104006 and No.2021A1515010243)+1 种基金the Fundamental Research Funds for the Central Universitiessupported,in part,by the National Institute of Environmental Health Sciences(NIEHS)under award number U2CES026542(KK).
文摘Benzophenone ultraviolet light filters(BPs)are high-production-volume chemicals extensively used in personal care products,leading to widespread human exposure.Given their estrogenic properties,the potential health risks associated with exposure to BPs have become a public health concern.This review aims to summarize sources and pathways of exposure to BPs and associated health risks.Dermal exposure,primarily through the use of sunscreens,constitutes a major pathway for BP exposure.At a recommended application rate,dermal exposure of BP-3 via the application of sunscreens may reach or exceed the suggested reference dose.Other exposure pathways to BPs,such as drinking water,seafood,and packaged foods,contribute minimal to the overall dose.Inhalation is a minor pathway of exposure;however,its contribution cannot be ignored.Human exposure to BPs is an order of magnitude higher in North America than in Asia and Europe.Studies conducted on laboratory animals and cells have consistently demonstrated the toxic effects of BP exposure.BPs are estrogenic and elicit reproductive and developmental toxicities.Furthermore,neurotoxicity,hepatotoxicity,nephrotoxicity,and carcinogenicity have been reported from chronic BP exposure.In addition to animal and cell studies,epidemiological investigations have identified associations between BPs and couples'fecundity and other reproductive disorders,as well as adverse birth outcomes.Further studies are urgently needed to understand the risks posed by BPs on human health.
基金supported by the Key Project of National Natural Science Foundation of China(No.50534100)Project of Taiyuan Science and Technology Bureau of Shanxi Provincethe Foundation for Returned Overseas Chinese Scholars of Shanxi Province.
文摘A novel mode-filtered light gas sensor has been reported. It was constructed by inserting an optical fiber deposited by a thin silicone cladding of cryptophane A into a fused-silica capillary. When different concentration of methane gas was introduced to the sensor, the phenomenon that mode-filtered light intensity decreased with the increasing concentration of methane was observed. And a linear relationship was obtained within the methane concentration range of 0.0-16.0% (v/v). The detection limit was 0.06% (v/v). The mode-filtered light sensor has been exploited to respond to various concentrations of methane gas at room temperature.
基金supported by the Key Project of National Natural Science Foundation of China(No.50534100)
文摘A novel potassium ions sensor based on mode-filtered light detection was reported. The analyzer was consisting of an optical fiber immobilized with a dye of bromocresol green and a fused-silica capillary. It was found that mode-filtered light intensity decreased with the concentration of potassium ions and a linear detection range of 0.25-20 mmol/L (R^2 = 0.9977) was obtained with a detection limit of 9 ×10^-5 mol/L as well as fast response, good reproducibility and reversibility in the working concentration range.
文摘针对现有机载LiDAR(light detection and ranging)点云滤波方法在地形起伏剧烈的林区适用性不足的问题,提出一种多分辨率层次布料模拟滤波方法。首先,通过多尺度形态学开运算选择大量种子地面点;然后,基于种子地面点,使用布料模拟法由低至高逐层构建参考地形,以快速获取高分辨率参考地形;最后,基于点至参考地形的高差区分地面点和非地面点。利用国际摄影测量和遥感学会提供的数据集和参考方法,评估该方法性能。利用在中国、美国多个代表性林区的点云数据,评估该方法的可推广性。结果表明,该方法的Kappa系数和运行时间是83.72%和34.11 s,精度和效率较经典布料模拟滤波方法提高10.49%和52.17%。相比8种参考方法,该方法能够获得更高精度,并且具有稳定的可推广性。