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| 1 | Long-term vision-threatening complications of phakic intraocular lens implantation for high myopia显示文摘AIM:To report the long-term vision-threatening complications in patients who underwent phakic intraocular lens(pIOLs)implantation for high myopia.METHODS:Thisstudywasdesignedfromaconsecutive series of phakic intraocular lens complication and corrective surgeries.Sixteen eyes of 13 patients had implantation of phakic intraocular lens for correction high myopia and developed serious complications have been included in this study.The mean age of patients was 38.6±6.35y(range 32-50y)and the mean time of history of pIOL implantation for high myopia was 6±2y(range 2-10y).Before corrective surgery,best spectaclecorrective visual acuity(BSCVA)ranged from perception to 20/200 in the eyes in which severe complications occurred.RESULTS:Corneal decompensation occurred in 12eyes of 9 high myopic patients after anterior chamber pIOL implantation.Rhegmatogenous retinal detachment(RRD)occurred in 4 eyes of 4 high myopic patients following anterior chamber and posterior chamber pIOL implantation.Patients with corneal decompensation,had combined procedures consisting of pIOL removal and penetrating keratoplasty(PKP).Removals of pIOL,phacoemulsification and pars plana vitrectomy(PPV)with silicone oil tamponade were performed in patients with RRD.After corrective surgeries,all patients but one(P+,patient 2,right eye)achieved moderate BSCVA ranged from 20/200 to 20/50 at the last visit.CONCLUSION:Phakic IOLs may be effective for thecorrection of high myopia.Although these IOLs may have severe complications and it affects safety and efficacy of this surgery.As seen here,corneal decompensation and rhegmatogenous retinal detachment are possible postoperative vision-threatening complications of phakic IOLs.Patients must be carefully examined before and after surgery for possible endothelial cell loss and vitreoretinal problems. | Isil Bahar Sayman Muslubas Baran Kandemir Ayse Yesim Aydin Oral Suleyman Kugu Metin Dastan | 2014 | International Journal of Ophthalmology(English edition)2014，7，2： | 14 |
| 2 | 纤维复合板的冲击响应综述显示文摘对由E-玻纤作为增强材料、环氧树脂作为基材的织物复合纤维板的冲击响应进行综述。在4~45J入射冲击能下进行了一系列试验,从而能逐步考察从初始破坏到最终破坏的全过程。试验结果显示:单个试件的破坏过程可以通过相应的荷载—挠度曲线、能量断面图以及破坏试件的图像进行重构。除了荷载—挠度曲线外,还对其他冲击参数的变化,如吸收能、冲击速度与变形或时间的关系等也进行了描述。同时建立了这些冲击参数与破坏过程的相关关系。 | Cesim Atas Onur Sayman | 2008 | 钢结构2008，23，7： | 9 |
| 3 | Comparison of contrast sensitivity and visual acuity between deep anterior lamellar keratoplasty and penetrating keratoplasty in patients with keratoconus显示文摘AIM: To evaluate postoperative visual acuity and contrast sensitivity results following deep anterior lamellar keratoplasty (DALK) and penetrating keratoplasty (PK) in patients with keratoconus (KC). METHODS: All the patients' records with KC who had PK or DALK surgery between May 2010 and May 2011 were retrospectively reviewed. Sixty patients who underwent successful corneal transplantation for KC: 30 eyes underwent DALK and 30 eyes underwent PK were included in this study. Preoperative and postoperative mean logarithm of the minimum angle of resolution (logMAR) uncorrected visual acuity (UCVA), logMAR best spectacle-corrected visual acuity (BSCVA) and intraocular pressure (IOP) were evaluated. Contrast sensitivity tests (CS) were done preoperative and 2 months after all sutures had removed. All surgeries were performed under regional anesthesia (retrobulbar anesthesia) by 1 surgeon (B.K.) who was experienced in penetrating and lamellar keratoplasty techniques. RESULTS: The mean age of the DALK group was 29.67±4.95 (range 18-40) years and the PK group was 28.7±3.53 (range 18-39) years. Preoperatively there was no significant difference in the logMAR UCVA, logMAR BSCVA and IOP between the DALK (1.281±0.56; 0.97±0.85; 12.07±2.12mmHg) and PK (1.34±0.21; 0.98±0.21; 13±2.12mmHg) groups. One-year after surgery there was no significant difference in the mean logMAR UCVA and IOP between the DALK (0.46±0.37; 11.73±2.1mmHg) and PK (0.38±0.21; 12±2.12mmHg) groups. The mean contrast sensitivity was evaluated by CC-100 Topcon LCD at 1.5, 2.52, 4.23, 7.10 and 11.91 cycles per degree (cs/deg) spatial frequencies before and 2 months after the all sutures had removed. CONCLUSION: All patients with keratoconus in both DALK and PK groups performed good visual function postoperatively. The mean contrast sensitivity increased considerably at all spatial frequencies compared with preoperative levels in the DALK and PK groups. The mean post-operative evaluation of contrast sensitivity measurements was not significantly different between the two groups. | Mehmet Orcun Akdemir Baran Kandemir Isil Bahar Sayman Cem Selvi OmerKamil Dogan | 2012 | International Journal of Ophthalmology(English edition)2012，5，6： | 3 |
| 4 | Positioning of store brands显示文摘 | SAYMAN S HOCH S J RAJU J S | 2002 | Marketing Science2002，21，4： | 1 |
| 5 | Burst failure load of composite pressure vessels显示文摘 | Onder A Sayman O Dogan T | 2009 | Composite Structures2009，89，1： | 1 |
| 6 | An overall view on impact response of woven fabric composite plates显示文摘 | Atas C Sayman O | 2008 | Composite Structures2008，82，3： | 1 |
| 7 | Thermal- plastic stress analysis of symmetric aluminum metal-matrix composite laminated plates under linearly distributed temperature 显示文摘 | Sayman O | 2003 | Journal of Thermal Stress2003，26，1： | 1 |
| 8 | Experimental and numerical failure analysis of carbon/epoxy laminated composite joints under different condition显示文摘 | Kapti Server Sayman Onur Ozen Mustafa Benli Semih | 2010 | Mater Des2010，31，： | 1 |
| 9 | Experimental failure analysis of mechanically fastened joints with clearance in composite laminates under preload显示文摘 | Sen F Pakdil M Sayman O | | 0，，： | 1 |
| 10 | Thermal stress analysis of WC-Co/Cr-Ni multilayer coatings on 316L steel substrate during cooling process显示文摘 | Onur Sayman Faruk Sen Erdal Celik | | 0，，3： | 1 |
| 11 | Positioning of store brands显示文摘 | Sayman S Hoch SJ RajuJ S | 2002 | Marketing Science2002，21，： | 1 |
| 12 | Evaluation of the effects of functional orthopaedic treatment on temporomandibular joints with single-photon emission computerized tomogra- phy显示文摘 | Guner DD Oztiirk Y Sayman HB | 2003 | Eur J Orthod2003，25，1： | 1 |
| 13 | Burst failure load of compos- ite pressure vessels显示文摘 | Onder A Sayman O Dogan T | 2009 | Comp Struct2009，89，1： | 1 |
| 14 | Thermal stress analysis of Wc-Co/Cr-Ni multilayer coatings on 316L steelsubstrate during cooling process 显示文摘 | Onur Sayman Faruk Sen Erdal Celik | 2009 | Materials and Design2009，30，： | 1 |
| 15 | Elastic-plastic and residual stresses in symmetric thermoplastic laminated plates under a linear thermal loading显示文摘 | Sayman Onur | 2002 | Composites Science and Technology2002，62，9： | 1 |
| 16 | Dynamic characteristics of laminated woven E glass-epoxy composite plates subjected to low velocity heavy mass impact显示文摘 | Aslan Z Karakuzu R Sayman O | 2002 | Journal of Composite Materials2002，36，21： | 1 |
| 17 | The suit- ability of Eudrilus Eugeniae, Perionyx Excavatusand and Eisenia foetida (Oligochaete) for vermicomposting in South- em Africa in terms of their temperature requirements 显示文摘 | REINECHE A J VILIOEN S A SAYMAN R J | 1992 | Biology & Fertility of Soils1992，24，12： | 1 |
| 18 | Analysis of multi-layered composite cylinders under hygrothermal loading显示文摘 | Sayman O | 2005 | Composites Part A: Applied Science and Manufacturing2005，36，7： | 1 |
| 19 | Thermal Stress Analysis of We-Co/Cr-Ni multilayer Coatings on 316 L Steel Substrate During Cooling Process显示文摘 | Onur Sayman Faruk Sen Erdal Celik | 2009 | Materials and Design2009，30，： | 1 |
| 20 | Thermal stress analysis of Wc-Co/Cr-Ni multilayer coatings on 316L steel substrate during cooling process显示文摘 | Sayman O | 2009 | Materials and Design2009，30，： | 1 |
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