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| 1 | Surgical outcomes for unilateral superior oblique palsy in Chinese population: a retrospective study显示文摘AIM: To evaluate the outcome after surgery for unilateral superior oblique(SO) palsy in Chinese.METHODS: The medical records of 39 patients that underwent surgery for unilateral SO palsy between January 2003 and December 2012 at Caritas Medical Centre, Hong Kong, were retrospectively reviewed. All surgeries were performed by a single surgeon. Pre-operative assessments for vertical deviation, cyclo-deviation, and Knapp's classification were obtained to determine the nature and degree of surgical correction.Vertical deviation was measured at 1wk; 1, 6mo and on last follow-up day post-operatively. Cyclo-deviation was measured on last follow-up day post-operatively.RESULTS: During the 10 y period, 39 subjects were recruited. The most common etiology was congenital(94.9%). Knapp's Type III(66.7%) and Type I(12.8%)classifications were the most common subtypes. To treat SO palsy, the most common surgical procedures were:isolated inferior oblique(IO) anteriorization(41.0%),isolated IO myectomy(10.3%), and isolated IO recession(10.3%). At 3.5 ±2.1y post-operatively, the vertical deviation was significantly reduced(15.1 ±6.2 PD versus0.5±1.4 PD, P <0.0001) without significant improvement in cyclo-deviation(P =0.5). Initial vertical deviation was correlated with cyclo-torsion(r =0.4, P =0.007). Those with over-correction had greater initial vertical deviation(19.4±7.2 PD versus 13.2±4.3 PD, P =0.003). After a single operation, 84.6% of subjects achieved a vertical deviation within ±3 PD.· CONCLUSION: The majority of subjects achieved corrected vertical deviation after a single surgery although there was no improvement in cyclo-deviation.Those with over-correction of primary position deviation had greater preoperative vertical deviation and it may be related to simultaneous multiple muscle surgery. | Gordon Shing Kin Yau Victor Tak Yau Tam Jacky Wai Yip Lee Theo Tak Kwong Chan Can Yin Fun Yuen | 2015 | International Journal of Ophthalmology(English edition)2015，8，1： | 4 |
| 2 | Face recognition using holistic Fourier invariant features显示文摘 | Jian Huang Lai Pong C Yuen Guo Can Feng | 2001 | Pattern Recognition2001，34，： | 1 |
| 3 | Variance projection function and its application to eye detection for human face recognition显示文摘 | Guo Can Feng Pong C Yuen | 1998 | Pattern Recognition Letters1998，19，： | 1 |
| 4 | Face recognition using holistic Fourier invariant features 显示文摘 | Jian Huang Lai Pong C Yuen Guo Can Feng | 2001 | Pattern Recognition2001，34，： | 1 |
| 5 | Face recognition using holistic fourier invariant features 显示文摘 | JIAN HUANG LAI YUEN P C GUO CAN FENG | 2001 | PatternRecognition 12001，34，： | 1 |
| 6 | Multl-cues Eye Detection on Gray Intensity Image显示文摘 | Feng Guo Can Yuen Pang C | 2001 | Pattern Recognition2001，34，5： | 1 |
| 7 | Multi - cues eye detection on gray intensity image 显示文摘 | Feng Guo Can Yuen Pong C | 2001 | Pattern Recognition2001，34，5： | 1 |
| 8 | Surface modification of MoS_(2) nanosheets by single Ni atom for ultrasensitive dopamine detection显示文摘Single atom catalysts have been recognized as potential catalysts to fabricate electrochemical biosensors,due to their unexpected catalytic selectivity and activity.Here,we designed and fabricated an ultrasensitive dopamine(DA)sensor based on the flower-like MoS_(2) embellished with single Ni site catalyst(Ni-MoS_(2)).The limit of detection could achieve 1 pM in phosphate buffer solution(PBS,pH=7.4),1 pM in bovine serum(pH=7.4),and 100 pM in artificial urine(pH=6.8).The excellent sensing performance was attributed to the Ni single atom axial anchoring on the Mo atom in the MoS_(2) basal plane with the Ni-S_(3) structure.Both the experiment and density functional theory(DFT)results certify that this structural feature is more favorable for the adsorption and electron transfer of DA on Ni atoms.The high proportion of Ni active sites on MoS_(2) basal plane effectively enhanced the intrinsic electronic conductivity and electrochemical activity toward DA.The successful establishment of this sensor gives a new guide to expand the field of single atom catalyst in the application of biosensors. | Xuejiao Sun Cai Chen Can Xiong Congmin Zhang Xusheng Zheng Jin Wang Xiaoping Gao Zhen-Qiang Yu Yuen Wu | 2023 | Nano Research2023，16，1： | 0 |
| 9 | Prospective case series on trabecular-iris angle status after an acute episode of phacomorphic angle closure显示文摘AIM:To investigate the trabecular-iris angle with ultrasound biomicroscopy (UBM) post cataract extraction after an acute attack of phacomorphic angle closure. ·METHODS:This prospective study involved 10 cases of phacomorphic angle closure that underwent cataract extraction and intraocular lens insertion after intraocular pressure (IOP) lowering. Apart from visual acuity and IOP, the trabecular-iris angle was measured by gonioscopy and UBM at 3 months post attack. ·RESULTS:In 10 consecutive cases of acute phaco-morphic angle closure from December 2009 to December 2010, gonioscopic findings showed peripheral anterior synechiae (PAS) ≤90° in 30% of phacomorphic patients and a mean Shaffer grading of (3.1±1.0). UBM showed a mean angle of (37.1°±4.5°) in the phacomorphic eye with the temporal quadrant being the most opened and (37.1°±8.0°) in the contralateral uninvolved eye. The mean time from consultation to cataract extraction was (1.4 ± 0.7) days and the mean total duration of phacomorphic angle closure was (3.6 ±2.8) days but there was no correlation to the degree of angle closure on UBM (Spearman correlation P =0.7). The presenting mean IOP was (50.5±7.4) mmHg and the mean IOP at 3 months was (10.5±3.4) mmHg but there were no correlations with the degree of angle closure (Spearman correlations P =0.9). CONCLUSION:Anopentrabecular-irisangleandnormal IOP can be achieved after an acute attack of pha-comorphic angle closure if cataract extraction is performed within 1 day-2 days after IOP control. Gonioscopic findings were in agreement with UBM,which provided a more specific and object angle measurement. The superior angle is relatively more narrowed compared to the other quadrants. All contralateral eyes in this series had open angles. | Jacky Lee Jimmy Lai Doris Yick Can Yuen | 2013 | International Journal of Ophthalmology(English edition)2013，6，1： | 0 |
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