目的：分析不同程度2型糖尿病视网膜病变的血清生化全套指标，探讨各生化指标与糖尿病性视网膜病变(diabetic retinopathy，DR)程度的相关性。方法：回顾性收集2018年5月至2020年10月在福建医科大学附属第二医院就诊的2型糖尿病患者。根据眼底情况分为3组：糖尿病不伴视网膜病变(non-diabetic retinopathy，NDR)组(17例)、糖尿病伴非增殖性视网膜病变(non-proliferative diabetic retinopathy，NPDR)组(29例)、糖尿病伴增殖期视网膜病变(proliferative diabetic retinopathy，PDR)组(34例)。采用SPSS 24.0分析比较3组血清生化全套各指标水平，对差异指标与DR相关性采用Pearson相关分析与多重线性回归分析。结果：3组年龄差异无统计学意义(P>0.05)；3组的总蛋白、白蛋白、白球比、钙浓度差异均有统计学意义(均P<0.05)。组间比较发现NPDR和PDR组总蛋白、白蛋白、白球比、钙浓度低于NDR组，差异有统计学意义(P<0.05)。Pearson相关分析显示总蛋白(r=?0.290)、白蛋白(r=?0.304)，钙浓度(r=?0.252)与DR呈负相关(均P<0.05)，多重线性回归提示总蛋白、白蛋白及血钙浓度是DR保护因素(P<0.05)。结论：血清指标总蛋白、白蛋白及血钙浓度与DR成负相关，在生理范围内将这些指标维持相对较高的水平，或许可以为糖尿病视网膜病变的防治提供新思路。

Objective: To analyze the serum biochemical indexes of different degrees of type 2 diabetic retinopathy, and the correlation between biochemical indexes and the degree of diabetic retinopathy (DR). Methods: Patients with type 2 diabetes admitted to the Fujian Medical University 2nd Affiliate Hospital from May 2018 to October 2020 were retrospectively collected. The patients were divided into 3 groups according to fundus conditions: non-diabetic retinopathy (NDR) group (n=17), diabetes with non-proliferative diabetic retinopathy (NPDR) group (n=29), diabetes with proliferative diabetic retinopathy (PDR) group (n=34). SPSS 24.0 was used to compare the levels of a complete set of serum biochemical indexes in the three groups. Pearson correlation analysis and multiple linear regression analysis were used for the correlation between the different indexes and DR. Results: There was no statistically significant difference in age between the three groups. The differences in total protein, albumin, white sphere ratio, and calcium concentration of the three groups were statistically significant (P<0.05). The comparison between the groups showed that the total protein, albumin, white sphere ratio, and calcium concentration in the NPDR and PDR groups were lower than those in the NDR group. The difference was statistically significant (P<0.05). Pearson correlation analysis showed that total protein (r=?0.290), albumin (r=?0.304), and calcium concentration (r=?0.252) were negatively correlated with DR (all P<0.05). Multiple linear regression indicated total protein, albumin and blood calcium concentration were the protective factors of DR (P<0.05). Conclusion: This study found that serum levels of total protein, albumin, and blood calcium levels are negatively correlated with DR. Maintaining a relatively high level of these indexes within the physiological range may provide new ideas for the prevention and treatment of diabetic retinopathy.

近视性黄斑病变(myopic maculopathy，MM)是近视最常见的并发症，也是影响病理性近视视功能下降的主要原因。目前，MM的分类系统尚不能完全解释患者黄斑部发生的多种变化，迫切需要一个全面、统一的分类系统来协助沟通和比较临床试验以及国际多中心研究的结果。随着眼底成像技术的发展与应用，最新的近视性黄斑病变分类，即ATN分类系统[萎缩(A)、牵拉(T)、和新生血管(N)]结合眼底照片与光学相干断层扫描(optical coherence tomography，OCT)图片，把黄斑病变分为3类，每一类又根据其严重程度进行分级，这对MM的诊断和治疗提供了较大的临床价值。

Myopic maculopathy (MM) is the most common complication of myopia, which is also the main cause of poor visual function in pathologic myopia. Presently, the classification system of MM cannot properly explain the numerous changes that occur in the patient’s macula. Therefore, a comprehensive and unified classification system is urgently needed to facilitate in communicating and comparing the results of clinical trials and international multicenter studies. With the development and application of fundus imaging technology, the latest classification of MM, namely ATN (atrophy, A; traction, T; neovascularization, N) classificationsystem, which combines fundus photographs and optical coherence tomography (OCT) images, classifies macular lesions into 3 categories according to its severity, generating greater clinical value for the diagnosis and treatment of MM.

局部点药是眼部用药最常见的方式，但一般药物通过角膜困难，药物生物利用度低。纳米载体药物于80年代开始用于眼部，脂质体和类脂质囊泡(niosomes)与眼表的黏蛋白相互作用，延长药物在眼表的停留时间。纳米乳剂(nanoemulsion)的表面活性剂可以松解角膜上皮细胞紧密连接，形成转运开口，抑制细胞表面糖蛋白酶P(glycoprotein P，Pgp)降解药物活性蛋白。纳米粒子(nanoparticles)通过角膜上皮和结膜上皮而不会引起毒性。纳米胶囊(nanocapsules)更深地内化到角膜上皮(50 μm处)。聚合物胶束(polymeric micelles)自组装成核-壳纳米载体增强药物渗透角膜的能力。阴离子高代聚酰氨基胺(poly-amidoamine，PAMAM)树枝状大分子增强药物通透性，中性和阳离子低代树枝状大分子通过网格蛋白途径介导药物更高的通透性。纳米晶体(nanocrystal)，除增强药物溶解度和溶解速率之外，它的高黏附能力帮助药物保留和渗透到眼组织中。纳米结构材料与干眼关联密切，为干眼的治疗、诊断提供手段。

Topical administration is the most common method of ocular medication, but it is generally difficult for the drug to pass through the cornea, and the bioavailability of the drug is low. Nanocarrier drugs were used in eyes in the 1980s, and liposomes and lipoids vesicles (Niosomes) interacted with ocular surface mucins to prolong the residence time of the drug on the ocular surface. Nanoemulsion surfactants can release the tight junctions of corneal epithelial cells, form transport openings, and inhibit the degradation of pharmaceutically active proteins by cell surface glycoprotein P (Pgp). Nanoparticles pass through the corneal and conjunctival epithelium without causing toxicity. Nanocapsules internalize deeper into the corneal epithelium (at 50 μm). Polymeric micelles self-assemble into core-shell nanocarriers to enhance the ability of drugs to penetrate the cornea. Anionic high-generation poly-amidoamine (PAMAM) dendrimers enhance drug permeability. Neutral and cationic low-generation dendrimers mediate higher drug permeability through clathrin pathway. Nanocrystal, in addition to enhancing drug solubility and dissolution rate, its high adhesion ability helps drug retention and penetration into ocular tissues. Nanostructured materials are closely related to dry eye and provide a choice for the treatment and diagnosis of dry eye.

泪膜的不同组成成分通过相互作用共同维持眼球表面的湿润，从而维持眼部健康。当这些组成成分出现病理性改变，将会不同程度的影响泪膜稳态，从而导致干眼的发生。而瞬目运动一定程度上影响着泪膜组成成分的分布，随着对干眼相关机制研究的逐步深入，以泪膜为导向的诊断(tear-film-oriented diagnosis，TFOD)的新概念被提出，并被逐渐被接受。我们可以通过泪膜破裂方式来确定眼球表面所缺乏的组成成分，并在此基础上对干眼进行诊断，从而定向补充泪膜缺失成分，重新恢复泪膜稳态。本文将着重分析瞬目、泪膜形成及泪膜破裂机制之间的关系，从而进一步明确泪膜定向诊断的新概念及发展方向。

Different components of the tear film work together to maintain the wettability of the ocular surface, thus maintaining eye health. When the pathological changes of these components occur, the tear film homeostasis will be affected to varying degrees, leading to dry eye. Blinking movement affects the distribution of tear film components to some extent. With the continuous development of research and understanding of the concept and mechanism of dry eye, new concepts of tear-film-oriented diagnosis (TFOD) have been gradually proposed and widely accepted. We can determine the components lacking on the surface of the eye through the tear film breakup patterns (BUPs). On this basis, dry eye is diagnosed, so as to replenish the lacking components of tear film directionally and restore the stability of tear film. This paper will focus on analyzing the relationship between blinking, tear film formation and tear film break-up mechanism, so as to further clarify the new concept and development direction of tear-film oriented diagnosis.

报告1例因电路短路产生电弧光烧伤患者双眼角膜的病例。专科检查:双眼角膜缘颞侧球结膜缺血区小于1/3，角膜上皮呈白色混浊，上皮部分脱落。入院给予清除角膜表面白色坏死组织、抗炎、扩瞳对症治疗，2周后角膜恢复透明，随访3个月患者晶状体及眼底未见明显异常；探讨电弧光在眼球不同部位的致病机制。

A case of corneal burn caused by arc light due to electrical short is reported. Specialist examination: ischemic areas of the temporal limbus bulbar conjunctiva in both eyes were less than 1/3, the corneal epithelium was white and cloudy, and the epithelium was partially peeled. The corneas became transparent after 2 weeks’ treatment of removing the white necrotic tissue, anti-inflammatory and dilating pupil. During the follow-up within 3 months, the patient’s lens and fundus showed no obvious abnormalities. The injury mechanism of arc light caused by electrical short to the eyeball is discussed.

患儿因“左眼红肿12 d”就诊。左上睑红肿(++++)，眼眶鼻侧可触及约黄豆大小硬结，界不清，质地中等，压痛(?)，伴上睑下垂，遮盖角膜下缘。双眼眼位正，左眼眼球外转轻度受限。眼眶及视神经MRI显示左眼上睑软组织肿胀，考虑炎性改变。入院诊断为左眼特发性眼眶炎性假瘤(Idiopathic orbital inflammatory pseudotumor，IOIP)。予以激素治疗后症状好转且随访期间无复发。本例患儿为拒绝外院活检而就诊于暨南大学附属第一医院的小儿IOIP病例，提示早期规范治疗是降低此病复发率的关键，尤其是儿童患者。

The pediatric patient was referred to our hospital with a 12-day history of left eye redness and swelling. On the orbital and nasal side of the eye, there was a firm, nontender mass about the size of soybeans, with unclear boundary, medium texture. Orbital examination showed left ptosis, covering limbus. Motility examination revealed both eyes were in normal position, and the left eye was slightly limited in extraocular rotation. Magnetic resonance imaging (MRI) revealed evidence of diffuse inflammation of left eyelid, and orbital inflammatory was considered. Excluding other etiologies, the child was diagnosed initially with idiopathic orbital inflammatory. The symptoms improved after hormone therapy and there was no recurrence during follow-up. This case was a case of IOIP in a child who was admitted to the First Affiliated Hospital of Jinan University for refusing biopsy from another hospital. The paper suggests that early standardized treatment is the key to reduce the recurrence rate of this disease, especially in children.

目的：探索基于眼外伤急诊救治胜任力的教学模式。方法：通过分析眼外伤急诊救治的教学现状，结合医学生岗位胜任力特征，构建基于眼外伤急诊救治胜任力的教学体系。结果：基于胜任力构建的眼外伤急诊救治教学体系的优势在于一切以临床实际需求为出发点，使学生在临床实践能力、思辨能力、团队合作、自我认知、医学人文素养等几个方面得到提升，从而更好地胜任临床工作。结论：基于胜任力的教学模式可以全面提高培训医师眼外伤急诊救治的实际能力。

Objective: To explore the teaching mode based on competency in emergency treatment of ocular trauma. Methods: By analyzing the teaching status of emergency treatment for ocular trauma and combining with the competency characteristics of medical students, a competency-based teaching system for emergency treatment of ocular trauma was constructed. Results: The advantage of the teaching system for emergency treatment of ocular trauma based on competency was that it took actual clinical needs as the starting point, which could improve students’ clinical practice ability, critical thinking ability, team work, self-cognition, medical humanistic quality and other aspects, so as to be better qualified for clinical work. Conclusion: The teaching mode based on competency can comprehensively improve the practical ability of training doctors in emergency treatment of ocular trauma.

视网膜疾病大多以周边视网膜病变为首要表现，后者的早期诊断、监测对于视网膜疾病的治疗及预防起着至关重要的作用。以往传统眼底成像技术仅能提供20°视网膜的可视范围，即便使用蒙太奇拍摄技术，也只能采集部分眼底范围。目前眼底成像技术已步入最新的超广角时代，其所提供的眼底视野至少可达200°，并且基于该技术的超广角眼底彩色照相、荧光素血管造影、光学相干断层扫描及其血管造影等已广泛应用于临床实践中，对于诊断及评估视网膜疾病发挥重要作用，如糖尿病性视网膜病变、视网膜静脉阻塞、早产儿视网膜病变、视网膜色素变性及视网膜脱离等。本文将从超广角成像技术的产生、发展及其国内外的临床应用现状作一综述，旨在为临床工作及研究提供指导意义。

Retinal diseases primarily feature with peripheral retinopathy, and its early diagnosis as well as the later following up both play a vital role in the treatment and prevention of retinal diseases. In the past, traditional fundus imaging technology can only provide the visual range of 20 degrees. Even if montage photography technology is used, it can only partially reveal the fundus field. At present, fundus imaging technology has entered the latest era of ultra-wide-field, which provides at least 200-degree fundus field of vision. Ultra-wide-field fundus photochromy, fluorescein angiography, optical coherence tomography and angiography based on this technology have been widely used in clinical practice, and play an important role in the diagnosis and evaluation of retinal diseases, such as diabetes retinopathy, retinal vein occlusion, retinopathy of prematurity, retinitis pigmentosa and retinal detachment. This article aims to review the occurrence and development of ultra-wide-field fundus imaging technology and its clinical applications up to now to provide a relative guideline for clinic and research.

    白内障作为一种常见的眼科疾病，是全球第一位致盲眼病，目前尚无药物能够治疗，手术是唯一有效的办法。随着现代眼科手术技术的发展以及人工晶状体(intraocular lens，IOL)设计和功能的更新升级，人们对视觉质量的要求越来越高，白内障超声乳化联合IOL植入术已经从单纯的复明手术转变为个性化的屈光手术。为满足不同需求的患者术后获得较好的视觉质量，IOL经历了从单焦点到多焦点、球面到非球面的发展，还有散光型IOL和各类功能性IOL的临床应用，也为患者提供了更多的选择。充分了解不同类型IOL的优势和特点，根据患者自身眼部情况、日常用眼习惯以及需求，个性化地选择IOL植入对视觉质量的恢复和满意度起着至关重要的作用。因此本文将针对不同类型的IOL，从设计与分类、术后临床效果及适应人群进行综述，为IOL的选择提供指导建议。

As a common eye disease, cataract is the first-leading cause of blindness in the world. Currently, there is no drug to treat it, and surgery is the only effective way. With the development of modern ophthalmic surgical technology and the updating and upgrading of the design and function of intraocular lens (IOL), people have higher and higher requirements for visual quality. Cataract phacoemulsification combined with IOL implantation has transformed from a simple vision restoration to personalized refractive surgery. In order to meet the needs of patients with different needs to obtain better visual quality after surgery, IOL has experienced the development from monofocal to multifocal, spherical to aspherical, as well as the clinical application of astigmatic IOL and various functional IOLs, which also provides more choices for patients. Fully understanding the advantages and characteristics of different types of IOLs, according to the patient’s own eye conditions, daily eye habits and needs, individualized selection of IOL implantation plays a crucial role in the recovery and satisfaction of visual quality. Therefore, this article will review different types of IOLs from the aspects of design and classification, postoperative clinical effects and adaptation to the population, and provide guidance for the selection of IOLs.

    泪膜是覆盖于眼球表面的一层液体薄膜，从内而外分为黏液层、水液层和脂质层，每层成分的改变都会导致泪膜不稳定，进而导致干眼的发生。在研究泪膜破裂方式及相关泪液成分改变的基础上，学者Yokoi及其团队分别在2012年和2013年提出了有关干眼治疗和诊断的新概念，称为泪膜导向治疗(tear film-oriented therapy，TFOT)和泪膜导向诊断(tear film-oriented diagnosis，TFOD)，就是根据泪膜破裂模式(tear film break-up pattern，TFBUP)的不同，推断出相应的泪膜成分改变，补充不足的泪膜成分，这种诊疗方法目前正逐渐被接受。本文对不同泪膜破裂方式与泪膜成分改变的关系做了汇总分析，旨在为干眼的诊断和治疗提供更为科学实用的指导方案。

    Tear film is a layer of fluid film covering the surface of eye global, which is divided into mucus layer, aqueous layer and lipid layer from inside to outside. The change of each layer composition will lead to tear film instability, resulting in the occurrence of dry eye. On the basis of numerous studies on the correlation between tear composition and tear film break-up patterns, Yokoi and his team proposed new concepts on the diagnosis and treatment of dry eye called tear film-oriented therapy (TFOT) and tear film-oriented diagnosis (TFOD) in 2012 and 2013. That is according to different tear film break-up patterns (TFBUP), so changes in tear film composition can be deduced and supplemented, and this diagnosis and treatment method is gradually being accepted. In this paper, we summarized and analyzed the relationship between different tear film break-up patterns and changes in tear film composition to provide a more scientific and convenient guidance program for the diagnosis and treatment of dry eye.