Highlight Articles in Int J Ophthalmol Vol.15 No.2 2022
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Highlight Articles in Int J Ophthalmol Vol.15 No.2 2022

  

CLINICAL RESEARCH

Changes in Schlemm’s canal, trabecular meshwork, and relevant parameters in the early stage after SMILE of myopia patients

Dan-Dan Yang, Zhi-Qi Chen, Wei Chen, He Yin, Jing-Kai Peng, Jun-Ming Wang

 

This study aims to observe the changes in Schlemm’s canal (SC), trabecular meshwork (TM), and anterior chamber relevant parameters after small incision lenticule extraction (SMILE) of myopia patients. The SC diameter and area, TM width were significantly increased at 1mo postoperatively. The corneal curvature, central anterior chamber depth, and anterior chamber volume decreased after SMILE surgery. In conclusion, SC and TM in myopia patients change in the early postoperative stage of SMILE and the IOP is decline. The effect of SMILE surgery on the outflow pathway of the aqueous humor should be focused, especially in high myopia patients who are at risk of primary open angle glaucoma.

 

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近视患者SMILE术后早期Schlemm管、小梁网及相关参数的变化

 

该研究旨在观察近视患者SMILE术后Schlemm管(SC)、小梁网(TM)及前房相关参数的变化。研究发现SMILE术后1SC直径和面积、TM宽度显著增加。术后角膜曲率、中央前房深度和前房容积均下降。因此,近视患者的SCTMSMILE术后早期会发生变化,并且眼压下降。SMILE手术对房水流出途径的影响应予以关注,尤其是对有原发性开角型青光眼风险的高度近视患者。

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CLINICAL RESEARCH

Combining robot-assisted surgical system and 3D visualization system for teaching minimally invasive vitreoretinal surgery

Yi-Qi Chen, Dan Cheng, Lin Zhu, Wei-Qian Gao, Jia-Feng Yu, Jun Wang, Xin-Yi Deng, Ji-Wei Tao, Jia Qu, Li-Jun Shen

 

This study investigated the feasibility of teaching minimally invasive vitreoretinal surgery with a robot-assisted surgical system and a three-dimensional (3D) visualization system. The results showed that compared with the robot-assisted group, the injury degree was higher in the manual group. Considering the manual and robot-assisted groups together, 95%, 75% and 60% of the students considered surgical manipulation with the 3D visualization system to be more comfortable, easier and clearer, respectively. Combining robot-assisted surgical system and 3D visualization system has been shown to be an effective teaching modality.

 

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机器人辅助手术系统结合3D可视化系统在微创玻璃体视网膜手术教学中的应用

 

该研究探讨了机器人辅助手术系统和3D可视化系统在微创玻璃体视网膜手术教学中的可行性。结果表明,与机器人辅助系统相比,手动组损伤程度更高。综合考虑手动和机器人辅助系统,分别有95%75% 60%的学生认为使用3D可视化系统进行手术操作更舒适、更容易和更清晰。机器人辅助手术系统结合3D可视化系统是一种有效的教学方式。

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CLINICAL RESEARCH

Multimodal therapy in the management of primary orbital mesenchymal chondrosarcoma

Yun Zhao, Jing-Wen Hui, Sha-Sha Yu, Jin-Yong Lin, Hong Zhao

 

Primary orbital Mesenchymal chondrosarcoma (MCS) is one of the rare, high grade malignant variant of chondrosarcoma of the bone or soft tissues, as only a few patients have been reported. Presentation of primary orbital MCS often includes exophthalmos, diplopia and limitation of eye displacement. The initial signs and symptoms can be vague and lead to delays in diagnosis. This study included 6 cases with primary orbital MCS. Patient ophthalmic manifestations, radiographic features, diagnosis, pathology, therapeutic regimens, and prognosis were retrospectively reviewed. The results indicate that orbital MCS has malignant biological behavior and a poor overall prognosis. Trimodal treatment with surgery, radiatiotherapy, and chemotherapy may be the best option.

 

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眼眶间叶性软骨肉瘤的多模式治疗

 

原发性眼眶间叶性软骨肉瘤是骨或软组织软骨肉瘤(MCS)的一种罕见的高恶性病变,仅有少数病例曾被报告。原发性眼眶MCS的表现通常包括眼球突出、复视和眼球活动受限。最初的症状和体征可能模糊不清,从而导致诊断延误。该研究包括了6例原发性眼眶MCS患者。作者回顾了患者的眼部临床表现、影像学特征、诊断、病理、治疗方案以及预后,发现眼眶MCS具有恶性生物学行为,总体预后较差。手术、放疗和化疗的三联疗法可能是最好的选择。

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CLINICAL RESEARCH

Predictors of angle widening after laser iridotomy in Chinese patients with primary angle-closure suspect using ultrasound biomicroscopy

Xue-Ting Pei, Shu-Hua Wang, Xia Sun, Hong Chen, Bing-Song Wang, Shu-Ning Li, Tao Wang

 

Primary angle-closure glaucoma (PACG) is a main cause of bilateral irreversible blindness. The aim of the study is to assess the predictive value of baseline parameters of ultrasound biomicroscopy (UBM) for angle widening after prophylactic laser peripheral iridotomy (LPI) in patients with primary angle-closure suspect (PACS). In PACS patients, quadrants with greater iris bowing predicted substantial angle widening after LPI. Quadrants with a flatter iris, anteriorly positioned ciliary body and basal iris insertion were associated with less angle widening after LPI.

 

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超声生物显微镜观察我国可疑原发性房角关闭患者激光周边虹膜切除术后房角增宽的预测因素

 

原发性闭角型青光眼(PACG)可导致双眼不可逆性视力丧失。该研究旨在评估超声生物显微镜(UBM)基线参数对可疑原发性房角关闭(PACS)患者预防性激光周边虹膜切除术(LPI)后房角增宽的预测价值。在PACS患者中,虹膜膨隆程度更大的象限LPI术后房角增宽显著。虹膜平坦、睫状体前位和虹膜根部附着点靠前的象限LPI术后房角增宽幅度较小。

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INVESTIGATION

Prevalence of and risk factors for diabetic macular edema in a northeastern Chinese population

Zhong Lin, Feng Hua Wang, Liang Wen, Yu Wang, Dong Li, Xiao Xia Ding, Yu Dou, Gang Zhai, Yuan Bo Liang

 

This study aims to estimate the prevalence of diabetic macular edema (DME) and clinically significant macular edema (CSME), and to assess their risk factors in a population with type 2 diabetic mellitus (T2DM) located in northeastern China. Patients were included from the Fushun Diabetic Retinopathy Cohort Study (FS-DIRECT), a community-based study conducted in northeast China. This study reported a relatively high prevalence of DME and CSME with type 2 diabetes. Younger age, insulin use, presence of proteinuria, longer duration of diabetes, and high level of HbA1c, were associated with the presence of both DME and CSME. Early fundus screening in diabetic patients is invaluable and those with a high risk of sight threatening maculopathy would invariably benefit from earlier detection.

 

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中国东北地区人群糖尿病性黄斑水肿的患病率及危险因素

 

该研究旨在评估中国东北地区2型糖尿病人群中糖尿病性黄斑水肿和有临床意义的黄斑水肿的患病率,并评估其危险因素。患者均来自一项在中国东北地区开展的社区研究:抚顺糖尿病视网膜病变队列研究。研究报告表明2型糖尿病人群中糖尿病性黄斑水肿和有临床意义的黄斑水肿患病率较高。年龄较小、使用胰岛素、存在蛋白尿、糖尿病持续时间较长以及HbA1c水平较高均与该患病率相关。糖尿病患者的早期眼底筛查非常重要,尤其有益于有威胁视力的黄斑病变高风险的患者。

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Published date:2022-01-26Click:

Editors-in-Chief: Yan-Nian Hui and Peter Wiedemann

Established in April, 2008

ISSN 2222-3959 print

ISSN 2227-4898 online

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