目的：评估2.2 mm微切口白内障超声乳化摘除(phacoemulsification，Phaco)联合多焦点人工晶状体(multifocal intraocular lens，MIOLs)植入术治疗老年性白内障的临床安全性及疗效。方法：选取于2018年1月1日至2018年6月31日于佛山市第二人民医院行白内障Phaco联合人工晶状体植入的老年白内障患者。将其分为2组：A组31例35眼行2.2 mm微切口Phaco联合MIOLs植入术，B组31例38眼行3.0 mm标准切口Phaco联合单焦点IOLs植入术。2组患者均完善术前、术后的裸眼视力、角膜曲率、眼压、角膜内皮细胞数、离焦曲线等检查，同时记录其手术过程中的参数，进行比较。结果：A组与B组在手术过程中，总超乳时间、总超乳能量、超声乳化累积能量复合参数、有效超乳时间、平均超乳能量、总手术时间对比，差异均无统计学意义(均P>0.05)。2组患者术后较术前比较，角膜内皮细胞数均有所下降，差异有统计学意义(P<0.05)；2组患者间在各时间点的比较，差异均无统计学意义(均P>0.05)。2组患者手术中均未出现后囊膜破裂等并发症。2.2 mm切口与3.0 mm切口术后均增加了角膜散光，与术前比较差异均有统计学意义(均P<0.01)；2组间比较，差异无统计学意义(均P>0.05)。术后3个月，2组间裸眼远视力(uncorrected distance visual acuity，UCDVA)对比差异无统计学意义(t=?1.794，P=0.07)；裸眼近视力(uncorrected near visual acuity，UCNVA)对比差异有统计学意义(t=?25.147，P<0.01)。A组的离焦曲线有2个峰值，分别位于0 D和?3.5 D附近，两峰值间形成一个下降平缓的平台；B组的离焦曲线只有1个峰值，位于0~0.5 D之间，峰值两端下降趋势明显。A组的脱镜率为77.42%(24/31)，B组的脱镜率为12.90%(4/31)，差异有统计学意义(χ2 =26.050，P<0.01)；2组的总体满意度差异无统计学意义(χ2 =1.615，P=0.204)。结论：2.2 mm同轴微切口白内障手术在临床上安全性良好，联合植入MIOLs有较好的疗效，可于临床上广泛推广。
Objective: To evaluate the clinical safety and curative effect of phacoemulsification (Phaco) combined with multifocal intraocular lens (MIOLs) implantation in the treatment of senile cataract with 2.2 mm microincision cataract. Methods: The cataract patients who underwent phacoemulsification and intraocular lens implantation in our hospital were selected from January 1, 2018 to June 31, 2018. They were divided into two groups: group A with 31 patients (35 eyes) undergoing 2.2 mm micro-incision Phaco combined with MIOLs, while group B with 31 patients (38 eyes) undergoing 3.0 mm standard incision Phaco combined with single focus IOLs.The preoperative and postoperative uncorrected visual acuity, corneal curvature, intraocular pressure, corneal endothelium number, and defocus curve were recorded in both groups. The parameters during the operation were also recorded and compared. Results: There was no statistically significant difference in the parameters including total phacoemulsification time, total phacoemulsification energy, phacoemulsification cumulative energy compound parameters, effective phacoemulsification time, average phacoemulsification energy, total surgery time between group A and group B during the operation (all P>0.05). Compared with preoperative, the number of corneal endothelial cells decreased both in the two groups after surgery. The difference was statistically significant (P<0.05). There was no significant difference between the two groups at any time (all P>0.05). There were no complications such as posterior capsule rupture during operation in both groups. The corneal astigmatism was increased after operation both in the 2.2 mm incision and 3.0 mm incision, and the difference was statistically significant compared with pre-operation (both P<0.01). There was no significant difference between the two groups (all P>0.05). At 3 months postoperatively, there was no significant difference in uncorrected distance visual acuity (UCDVA) between the two groups (t=?1.794, P=0.07), and the difference was statistically significant in the uncorrected near visual acuity (UCNVA) (t=?25.147, P<0.01). Defocus curve: The defocus curve of group A had two peaks, which are located near 0 D and ?3.5 D, forming a flat platform with a descent between the two peaks.The defocus curve of group B had only one peak, located at 0–0.5 D, and the downward trend at both ends of the peak was obvious. The rate of off-glasses and satisfaction: the rate of off-glasses in group A was 77.42% (24/31),and the rate of dislocation in group B was 12.90% (4/31). The difference was statistically significant (χ2 =26.050,P<0.01). There was no significant difference in overall satisfaction between the two groups (χ2 =1.615, P=0.204).Conclusion: The 2.2 mm coaxial microincision cataract surgery yields high clinical safety, and the combined implantation of multi-focal intraocular lens has good curative effect and can be widely promoted in clinical practice.
目的：探究球面塑形镜、环曲面塑形镜在矫治近视复合散光的有效性及安全性。方法：回顾分析宜昌市第一人民医院2016年3月至2018年3月角膜塑形镜治疗青少年近视94例(178眼)，按佩戴塑形镜类型分为球面塑形镜组(48例，90眼)与环曲面塑形镜组(46例，88眼)。记录配镜前、佩戴1年后、停戴1周后的视力、角膜散光、眼轴长、球镜屈光度、眼压、泪膜破裂时间及角膜着染率。结果：戴镜1年后，2组组内相比，散光、球镜度数、眼压、泪膜破裂时间均降低，但2组组间相比，仅散光度数差异有统计学意义(P<0.01)。戴镜1年后，两组视力较戴镜前显著提高，停戴后近视度数较佩戴前增加，但组间差异无统计学意义(P>0.05)；2种塑形镜角膜着染发生率差异无统计学意义(P>0.05)。结论：2种塑形镜均能够降低近视复合散光患者度数，有效提高患者视力，但并不能完全阻止近视的进展。虽然环曲面塑形镜在矫正散光方面有优势，但总有效性与安全性并不占优势。
Objective: To observe the effectiveness and safety of orthokeratology lens and toric design othokeratology treatment for compound myopic astigmatism. Methods: From March 2016 to March 2018, 94 teenagers(178 eyes) were selected as the subjects of study. They were divided into two groups according to the type of orthokeratology: the orthokeratology lens group (48 cases, 90 eyes) and the toric design othokeratology group(46 cases, 88 eyes). Visual acuity, corneal astigmatism, axial length, spherical lens refraction, intraocular pressure,tear film rupture time and corneal staining rate were recorded before, after 1 year and after 1 week. Results: After 1 year of wearing the lens, astigmatism, spherical lens degree, intraocular pressure and tear film rupture time were all decreased in the 2 groups compared with each other, but only astigmatism degree was statistically significant between the 2 groups compared with each other (P<0.01). After wearing the glasses for 1 year, the visual acuity of the two groups was significantly improved compared with that before wearing the glasses, and the myopia degree was increased after stopping wearing the glasses compared with that before wearing the glasses, but the difference between the two groups was not statistically significant (P>0.05). There was no statistical significance in the incidence of corneal staining between the two types of shaping lenses (P>0.05). Conclusion: Both of the two shaping lenses can reduce the degree of myopic patients with complex astigmatism and effectively improve the visual acuity of patients, but they can not completely prevent the progress of myopia. Although toroidal shaping mirror has advantages in correcting astigmatism, its overall effectiveness and safety are not.
随着白内障手术由复明性向屈光性转变，对角膜的散光矫正显得越来越重要。而角膜散光不仅仅应该关注角膜前表面的散光数据，更应该考虑角膜后表面的散光，否则对散光人工晶状体植入矫正角膜散光可能出现不同程度的术后屈光误差。角膜后表面散光均值约为0.37 D，且多数情况下会产生逆规散光的效果，因此在进行散光型人工晶状体计算时应考虑到这一特点，进一步防止术后欠矫或过矫的发生。
With the cataract surgery evolving from visual restoration surgery to refractive surgery, surgical correction of corneal astigmatism becomes more and more important. For Toric intraocular lens implantation, the surgeon should not only pay attention to the values in surface of anterior corneal astigmatism but also that in posterior corneal astigmatism. Otherwise,unwanted postoperative refractive errors may occur. The mean value of posterior corneal astigmatism was around 0.37 D.In most cases, the posterior corneal astigmatism produces against-the-rule effect. Therefore, the above-mentioned feature of posterior corneal astigmatism should be noticed to prevent the under-correction or over-correction effect of toric lens.
目的：探讨利用微信平台在有晶体眼人工晶体(implantable collamer lens，ICL)植入术后并发性白内障患者延续性护理的应用效果。方法：对13例(16眼)ICL植入术后并发性白内障患者利用微信平台随访和延续性护理，观察患者术前和术后1个月的护理满意度的自身对照。结果：13例患者(16眼)手术均顺利完成，术后均无出现并发症，术后视力均较术前有所提高，术后患者的护理满意度评分高于术前，差异有统计学意义(P<0.05)。结论：利用微信平台进行随访和延续性护理，可以提高患者护理满意度，是应用于ICL植入术后并发性白内障患者的有效护理方法。
Objective: To explore the application effect of WeChat platform in continuous nursing care for patients with complicated cataract after implantable collamer lens (ICL) implantation. Methods: Thirteen patients (16 eyes) with complicated cataracts after ICL implantation were followed up and continued nursing on the WeChat platform, then the self-control of the patients’ satisfaction on nursing before and one month after surgery was observed. Results: A total of 13 patients’ operation (16 eyes) went well, and they had no postoperative complications. The visual acuity of the patients was improved after operation compared with that of before operation, and the nursing satisfaction score of patients after operation was higher than that of before operation; the difference was statistically significant (P<0.05). Conclusion: Using WeChat platform for follow-up and continuous nursing can improve patients' nursing satisfaction, which was an effective nursing method for patients with complicated cataract after ICL implantation.
内源性干细胞在组织的损伤修复过程中组织相容性好、致瘤风险低，相较于外源性干细胞具有不需要体外扩增和培养、疾病传播风险低的优点，在细胞治疗领域具有显著优势。现在已经有多种使用内源性干细胞进行疾病治疗的成熟方式，应用领域包括了全身各种器质性和功能性疾病。在眼组织中，晶状体具有终生生长的能力且便于观察，是实现再生修复的突破点。哺乳动物中晶状体再生的实现有赖于晶状体内源性干细胞的定位和改良手术方式，以保留晶状体干细胞，并创造适合晶状体再生的微环境。对再生后的晶状体蛋白质组成分析，发现其类似成熟晶状体，而非胚胎期的晶状体，提示晶状体再生的调控与胚胎期的诱导发生并不相同；而调控晶状体再生的策略不仅着眼于干细胞的激活和正确分化的诱导，对其上皮间质转化过程也需要进行调控。在未来，为将晶状体再生的经验应用于其他眼组织中，动员内源性干细胞并促进其生长，可以添加细胞有效成分，比如外泌体、线粒体、小分子化合物等，模拟细胞应激；此外，还可以通过手术或生物材料辅助，恢复晶状体结构和环境。
Endogenous stem cells have significant advantages in cell therapy for excellent histocompatibility, low tumorigenicity risk, unnecessity for in vitro expansion and culture, and low disease transmission risk. There have been some applications for endogenous stem cells in treating diseases, targeting some organic and functional diseases throughout the body. In ocular tissue, the lens is a breakthrough for regenerative therapy due to its potential to grow throughout life and observation accessibility. Achieving lens regeneration in adult mammals attributes to some prerequisites. Firstly, the location of endogenous stem cells in the lens has been identified. Then, surgical approaches have been advanced to preserve lens stem cells and create a microenvironment suitable for lens regeneration. Protein compositional analysis of the regenerated lens reveals that it is similar to a mature lens rather than an embryonic lens, suggesting that the regulation of lens regeneration is not the same as the induction of embryonic onset. The strategy for regulating lens regeneration needs to focus not only on the activation and proper differentiation of stem cells but also on regulating the process of epithelial mesenchymal transition (EMT). In the future, in order to apply the experiences of lens regeneration to other ocular tissues, to mobilize endogenous cells and promote their growth, some strategies could be used. These strategies include mimicking cellular stress via the addition of cellular active ingredients, such as exosome, mitochondria, and small molecular compounds. Additionally, we can also try to restore lens tissue structure and microenvironment through surgical or biomaterial assistance.
在晶状体纤维细胞分化的终末阶段，细胞核、线粒体、内质网及高尔基体等膜性细胞器会发生程序性的降解，这对晶状体透明性的维持至关重要。然而，晶状体细胞器降解过程的机制尚不明确。研究晶状体细胞器的降解过程可为阐明白内障的发病机制提供理论依据，也有望为晶状体再生提供新的干预靶点。本文就晶状体细胞器降解过程及其机制进行综述。
During terminal differentiation of lens fiber cells, nuclei and other organelles experience programmed elimination.This process is essential for the maintenance of lens transparency. However, the mechanisms underlying lens organelle degradation remain unclear. Identification of the mechanisms can provide a theoretical basis for elucidating the pathogenesis of cataract and is expected to reveal new intervention targets for lens regeneration. In this review, we discuss potential mechanisms and the process of lens organelle degradation.
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.
目的：探讨角膜绷带镜对独眼白内障患者焦虑情绪及生活质量的影响。方法：选取中山大学中山眼科中心白内障科2020年12月至2021年7月收治的120例独眼白内障患者作为试验对象，采用便利抽样法分为实验组(佩戴角膜绷带镜)与对照组(未佩戴角膜绷带镜)。运用焦虑自评量表、视功能的生存质量量表来评估比较2组患者的焦虑程度、术后生存质量。结果：入院前2组患者的焦虑评分、生存质量评分差异无统计学意义(P>0.05)，术后第1天实验组患者的焦虑评分明显低于对照组、生存质量评分明显高于对照组，差异有统计学意义(P<0.05)。实验组患者的焦虑评分由入院前的55.35±7.09降低至43.77±5.56，焦虑程度比入院前减轻20%；对照组患者焦虑评分由入院前的54.27±5.93降低至47.92±7.02，焦虑程度较入院前减轻12%；实验组患者生存质量评分由入院前的55.32±25.57增至术后第1天的81.01±13.74，增长了46%；对照组患者生存质量评分由入院前的56.38±14.43降低至术后第1天的36.15±17.97，降低了35%。结论：角膜绷带镜可以减轻独眼白内障患者的焦虑情绪，提高术后生活质量。
Objective: To investigate the effect of corneal bandage lens on anxiety and quality of life in patients with monocular cataract. Methods: A total of 120 patients with monocular cataract treated in our department from December 2020 to July 2021 were selected as the subjects. They were divided into an experimental group (wearing corneal bandage lens) and a control group (without corneal bandage lens) by convenient sampling method. Self-rating Anxiety Scale and Visual Function Quality of Life Scale were used to evaluate and compare the degree of anxiety and postoperative quality of life between the 2 groups. Results: There was no significant difference in anxiety score and quality of life score between the 2 groups before admission (P>0.05). On the first day after operation, the anxiety score of the experimental group was significantly lower than that of the control group, and the quality of life score was significantly higher than that of the control group (P<0.05). The anxiety score of patients in the experimental group decreased from 55.35±7.09 to 43.77±5.56, and the degree of anxiety decreased by 20% compared with that before admission. The anxiety score of patients in the control group decreased from 54.27±5.93 to 47.92±7.02, and the degree of anxiety decreased by 12% compared with that before admission. The score of quality of life in the experimental group increased from 55.32±25.57 before admission to 81.01±13.74 on the first day after operation, an increase of 46%. The quality of life score of patients in the control group decreased from 56.38±14.43 before admission to 36.15±17.97 on the first day after operation, a decrease of 35%.Conclusion: Corneal bandage lens can reduce the anxiety of patients with monocular cataract and improve the quality of life after operation.
目的：探讨连续锁边缝合联合角膜绷带镜在翼状胬肉手术中应用的效果。方法：采用前瞻性随机对照临床研究。选取2018年1月到2021年6月期间在我院行翼状胬肉切除联合自体角膜缘结膜瓣移植术的患者132例180眼，按结膜瓣固定方式随机分为A、B两组，其中A组患者(64例90眼)行间断缝合固定法，B组患者(68例90眼)行连续锁边缝合法，术毕两组患者均给与配戴角膜绷带镜。比较两组患者的术后眼部疼痛程度评分、术后效果及并发症。结果：术后1、3 d，B组疼痛评分明显低于A组，差异有统计学意义(P<0.01)；术后1、3、7 d两组间角膜染色评分差异无统计学意义(P>0.05)；术前、术后3个月两组间泪膜破裂时间(breakup time of tear film，BUT)差异无统计学意义(P>0.05)，但术后3个月组内的BUT较手术前有明显改善(P<0.05)。术前、术后2周两组间视力差异均无统计学意义(P>0.05)，术后2周两组组内视力较手术前均有明显改善(P<0.05)。随访3个月，两组患者主要术后并发症包括胬肉撕除后浅层基质损伤延迟愈合、线结处结膜增生、结膜植片松脱等，并发症发生率两组相当。结论：采用连续锁边缝合联合配戴角膜绷带镜治疗翼状胬肉可以促进角膜创面的修复，减轻患者的术后刺激症状，提高患者术后舒适度；连续锁边缝合时需要适当增加缝线跨度，可减少术后结膜植片的松脱。
Objective: To investigate the effect of continuous locking suture combined with corneal bandage lens in the operation of pterygium. Methods: A prospective randomized controlled clinical trial was conducted. From January 2018 to June 2021, 132 patients (180 eyes) who underwent pterygium excision combined with autologous limbal conjunctival flap transplantation were randomly divided into group A and group B according to the fixation of conjunctival fla. The patients in group A (64 cases, 90 eyes) were treated with intermittent suture and fixation, and the patients in group B (68 cases, 90 eyes) were treated with continuous locking suture. Both groups were given corneal bandage lenses at the end of the operation. The postoperative ocular pain score, postoperative effect and complications were compared between the two groups. Results: The pain score in group B was significantly lower than that in group A at 1 and 3 d after operation (P<0.01), and there was no significant difference in corneal staining score between the two groups at 1, 3 and 7 d after operation (P>0.05). There was no significant difference in breakup time of tear film (BUT) between the two groups before and 3 months after operation (P>0.05), but the BUT at 3 months after operation in the group was significantly better than that before operation (P<0.05). There was no significant difference in visual acuity between the two groups before and 2 weeks after operation (P>0.05). The visual acuity of the two groups was significantly improved 2 weeks after operation (P<0.05). During the follow-up of 3 months, the main postoperative complications of the two groups included delayed healing of superficial matrix injury after pterygium avulsion, conjunctival hyperplasia, conjunctival graft loosening and so on. Conclusion: Continuous locking suture combined with corneal bandage lens in the treatment of pterygium can promote the repair of corneal wound, reduce the postoperative irritation symptoms and improve the postoperative comfort of patients. It is necessary to increase the suture span during continuous locking suture, which can reduce the loosening of conjunctival graft after operation.
目的：分析高度近视有晶状体眼后房型人工晶状体植入术后孔源性视网膜脱离的临床特征及预后。方法：回顾分析2012年4月至2021年6月中山眼科中心收治的9例(9只眼)行后房型人工晶状体植入术后孔源性视网膜脱离患者的临床特征、手术方式及疗效，随访(4.96±4.78)个月。结果：患者年龄(30.44±20.11)岁，屈光手术至发病时间(32.10±17.80)个月。4例(44.4%)马蹄形裂孔，1例(11.1%)萎缩性裂孔，4例(44.4%)巨大裂孔；9眼裂孔均位于赤道部前，除2眼(22.2%)为单个巨大裂孔，1眼(11.1%)单个马蹄孔，余6眼(66.7%)均有视网膜周边变性区存在；视网膜脱离范围(3.0±1.12)个象限，8例累及黄斑；增殖性玻璃体视网膜病变C级以上4眼。视网膜初始复位率为77.8%，最终视网膜复位率100%。末次随访最佳矫正视力优于术前(P<0.05)。随访期间，2例硅油填充眼发生并发性白内障，4眼发生术后早期高眼压。结论：有晶状体眼后房型人工晶状体植入术前存在的视网膜变性或术后玻璃体牵引的存在可能是孔源性视网膜脱离发生的危险因素。
Objective: To analyze the clinical presentation, surgical management, and outcomes of rhegmatogenous retinal detachment (RRD) in patients with high-myopia corrected by posterior chamber phakic (PCP) intraocular lens (IOL) implantation. Methods: Nine eyes of 9 patients in whom RRD developed after PCPIOL implantation from April 2012 to June 2021 in Zhongshan Ophthalmic Center were retrospectively studied. Mean follow-up after retinal detachment surgery was (4.96±4.78)months. Results: Mean patient age was (30.44±20.11) years old. RRD occurred (32.10±17.80) months after PCPIOL implantation. Four (44.4%) breaks were horseshoe tear, 1 (11.1%) was atrophic hole and 4 participants (44.4%) had a giant retinal tear. Nine cases had causative breaks located anterior to the equator while peripheral retina lattice degeneration was found in 6 eyes. RRD extended from 1 to 4 quadrants (3.0±1.12 quadrants) and 8 cases were macula-off retinal detachments. Four eyes’ proliferative vitreoretinopathy were more severe than level C. Initial reattachment rate was 77.80%. Final retinal reattachment was 100%. Final follow-up BCVA was significantly better than baseline (P<0.05). Furthermore, concurrent cataract occurred in 2 eyes in which silicone oil was used as tamponade. Ocular hypertension was detected in 4 eyes after surgery. Conclusion: The existed lattice degeneration and postoperative vitreous traction may be risk factors for RRD after PCPIOL implantation.
