Small Incision Extracapsular Cataract Extraction Research Articles

Phacoemulsification Plus Intraocular Lens Implantation with Gold Nanoparticles for Complicated Cataract Secondary to Uveitis: Efficacy Analysis

This study analyzes the efficacy of phacoemulsification (PE) plus intraocular lens implantation (IOLI) in patients with complicated cataracts secondary to uveitis. Nanostructured photothermal ring integrated (nano)-intraocular lens (IOLs) were developed to improve the biocompatibility and optical properties of IOLs. However, data on the safety profile and effectiveness of IOLI for patients with complicated cataracts secondary to uveitis are scarce, and studies have questioned the safety of PE in patients undergoing cataract surgery. We used gold nanoparticle (AuNP)-modified commercially available intraocular IOLs combined with PE technology to treat patients with complicated cataracts secondary to uveitis. First, we found that AuNP-modified IOLs were effective in reducing macrophage and bacterial adhesion and were biocompatible with the organism. Then, 64 patients with complicated cataracts secondary to uveitis were totally selected from February 2019 to February 2022, of which 33 cases were treated with PE+IOLI (test group) and 31 with conventional small-incision extracapsular cataract extraction (SIECCE) and IOLI (control group). Intergroup comparisons based on efficacy, safety, visual acuity (VA), aqueous humor protein levels before and after treatment, and quality of life (assessed with the Generic Quality of Life Inventory-74, GQOLI-74) revealed higher overall treatment efficacy and postoperative VA, as well as lower complication rate and postoperative aqueous humor protein levels, in the test group than the control group. Moreover, the test group had higher GQOLI-74 scores in the dimensions of physical function, mental health, psychological health, and social competence than the control group. Thus, PE+IOLI is more suitable for patients with complicated cataracts secondary to uveitis than conventional SIECCE+IOLI. PE+IOLI can improve treatment efficacy and safety, as well as patient VA and quality of life.

Analysis of Ultrasonic Emulsification Surgery and Small Incision Cataract Extracapsular Extraction Surgery for Cataract Clinical Treatment Level Improvement

Objective: To analyze the efficacy of ultrasonic emulsification and small incision cataract extracapsular extraction in cataract patients. Methods: 96 cataract patients admitted from May 2021 to May 2023 were selected and randomly grouped into group A (ultrasonic emulsification) and group B (small-incision extracapsular cataract extraction), with 48 cases each. Results: At 1 week, 1-month, and 3 months post-operation, the visual acuity of group A was higher and the astigmatism value was lower than that of group B (P < 0.05); at 12h, 24h, and 48h post-operation, the intraocular pressure of group A was higher than that of group B (P < 0.05); the thickness of macular area of group A was lower than that of group B at 1 week and 1-month post-operation (P < 0.05). Conclusion: Ultrasonic emulsification in cataract patients was slightly better than small incision cataract extracapsular extraction in correcting astigmatism, improving visual acuity, and regulating macular thickness. However, due to the high energy of ultrasonic emulsification, the risk of complications such as high postoperative intraocular pressure was higher. Small-incision extracapsular cataract extraction has better application value in economically disadvantaged areas.

Analysis of the Effect of Small Incision Extracapsular Cataract Extraction on Senile Cataract in High Altitude Area

Analysis of the Effect of Small Incision Extracapsular Cataract Extraction on Senile Cataract in High Altitude Area

Sammary of cataract surgery in Health Express in Kashgar Region, Xinjiang

Objective To summarize the safety and feasibility of cataract surgery in Guangming Kashgar Health Express. Methods There were 1 026 eyes of 1 026 patients in Health Express in Xinjiang Kashgar Region. The surgeries included phacoe mulsification modern and small incision extracapsular cataract extraction combined with IOL implantation. Results At 3 days after surgery, the best corrected visual acuity was≥0.5 in 563 eyes(54.9%), 0.2-0.4 in 402 eyes (39.2 %) and≤0.1 in 61 eyes(5.9%). Intraoperative posterior capsular rupture with vitreous prolapse occurred in 19 eyes(1.9%), iris injury in 4 eyes (0.38%), nuclea falling into vitreous in 1 eye (0.097%), and postoperative corneal edema.There was no corneal endothelium decompensation. The rate out of blindress was 98.6% and the deformity rate was 73.6%. Conclusion It is effective, safe and reliable project to carry out large scale free cataract poverty alleviation operation in Guangming Health Express. Key words: Cataract; Extraction, catardct extracapsular, small incision; Phacoemulsification, ultrasonic; Health Express

A comparison of vision outcome and safety between small incision non-phacoemulsification and phacoemulsification surgery for cataract in Tibet

Objective To compare and analyze the visual outcome and safety of phacoemulsification with small incision non-phacoemulsification for cataract and provide a reference for the selection of surgery methods in Tibet. Methods A prospective cohort study was performed.Eighty eyes of 80 consecutive patients with age-related cataract were included in Titet Autonomous Region Tibetan Tradition Medicine Hospital from July to August 2016.The eyes were assigned to non-phacoemulsification extracapsular cataract extraction with small incision combined with intraocular lens (IOL) implantation group (small incision group) and phacoemulsification extracapsular cataract extraction combined with IOL implantation group (phacoemulsification group), with 40 eyes for each group.The uncorrected visual outcome and complications were compared between the two groups after surgery. Results There were no significant differences in gender, age, preoperative visual acuity, and lens nuclear hardness between the two groups (all at P>0.05). The eyes in various post-operative uncorrected visual acuity outcome was not significantly different 1 day and 5 days after surgery between the two groups (both at P>0.05). In the fifth day after surgery, the eye number in various post-operative uncorrected visual acuity outcome was not significantly different in the eyes with grade Ⅱ and Ⅲ nuclei between the two groups (Z=0.503, P=0.478; Z=0.952, P=0.329). The eye number of acuity ≥0.5 in the small incision group was significantly more than that in the phacoemulsification group in the eyes with grade Ⅳ nuclei (Z=4.501, P=0.034). The eye number with post-operative transiently ocular hypertension was increased in small incision group compared with phacoemulsification group. Conclusions Non-phacoemulsification surgery with small incision has comparable visual outcome with phacoemulsification surgery, and small incision non-phacoemulsification surgery combined with IOL implantation can serve as the preferred surgical method in basic level medical institutions of Tibet. Key words: Cataract/surgery; Small incision extracapsular cataract extraction; Phacoemulsification; Tibet; Comparative study

Comparison of the efficacy between phacoemulsification and small incision extracapsular cataract extraction for the treatment of cataract

Objective To compare the efficacy between phacoemulsification and small incision extracapsular cataract extraction for the treatment of senile cataract. Methods The data of 198 eyes of 198 patients with senile cataract from May 2015 to May 2017 were analyzed retrospectively. All cases were divided randomly into 2 groups. Small incision group, 120 patients, underwent small incision extracapsular cataract extraction, and phacoemulsification group, 78 patients, received phacoemulsification. The efficacy, complications and corneal endothelial cell density between two groups were compared. Results The visual acuity of two groups at 3 d, 1 and 3 months after operation were improved (P 0.05). The astigmatism degree of both groups at 3 d and 1 month after operation were increased (P 0.05). Before operation, the difference in endothelial cell densities and hexagonal cell ratio between two groups were not significant (P>0.05). After operation, the endothelial cell densities and hexagonal cell ratio of both groups were decreased (P<0.05), and the small incision group were lower than phacoemulsification group (P<0.05). Conclusion Both phacoemulsification and small incision extracapsular cataract extraction can get good curative effect in the treatment of senile cataract, and phacoemulsification may have an advantage on protecting the corneal endothelial cells. Key words: Phacoemulsification; Cataract extraction, small incision; Cataract, senior

The variation of corneal curvature of diabetic patients after small-incision extracapsular cataract extraction

Objective To analyse the variation of corneal curvature of diabetic patients after small incision non-phacoemulsification extracapsular cataract extraction. Methods The data of 83 eyes of 71 patients with cataract and diabetic from Apr.2009 to Apr.2012 were collected and all cases were divided into 3 groups: normal control group, diabetic groupⅠ(blood glucose<9.0 mmol/L) and diabetic groupⅡ(blood glucose≥9.0 mmol/ L). The follow-up time was 12 months. Results Horizontal corneal curvature (HCC) of the three groups after surgery were higher than that of before surgery, the difference was statistically significant (P<0.001). Vertical corneal curvature (VCC) after surgery were lower than that before surgery (P<0.001). The difference value of HCC in control group and diabetic groupⅠwere decreased 3 days-12 months after surgery (P<0.05). The difference value of HCC in diabetic groupⅡwas decreased from 3 days to 6 months after surgery (P<0.05), the difference value was not changed from 6 to 12 months after surgery (t=0.292, P=0.774). The difference value of VCC in control group and diabetic group Ⅱwere decreased 3 days-12 months after surgery (P<0.05). The difference value of VCC in diabetic groupⅠwas decreased 3 days-6 months after surgery (P<0.05), the difference value remained stable at 6-12 months after surgery (t=1.578, P=0.129). Conclusion HCC of the three groups are elevated and VCC are decreased, the degree of change is proportional to the level of blood glucose, the healing process of corneal acomplishes almost from half year to 1 year. Key words: Extracapsular cataract extraction, small-incision; Patient, diabetic; Corneal curvature

Analysis on the efficacy of cataract surgery during the international aid to African "Brightness Action"

Objective To analyze the safety and efficacy of cataract surgery during the international aid to African Brightness Action . Methods The data of 280 eyes of 240 cases with cataract were collected during international aid to Cameroon Brightness Action from May 2016 to Jun. 2016. They underwent phacoemulsification or small incision cataract extraction and intraocular lens implantation. Results Followed up for 3 to 6 months, no endophthalmia, bullous keratopathy or other serious complication occurred after surgery. No cystoids macular edema, retinal detachment or secondary opacification of the posterior capsule happened. At 1-3 days postoperatively, the visual recovery rate was 98.21% and the visual acuity recovered from disability occupyed for 83.93%. The visual acuity at 1-3 days after surgery was ≥0.5 in 203 eyes (72.50%). At the end of the follow-up, the visual acuity was ≥0.5 in 266 eyes(95.00%), 0.05-0.25 in 8 eyes (2.97%). The main cause of low vision after surgery was ocular fundus disease. Conclusion The operation of large-scale cataract rescue operation during the international aid to Brightness Action is effective, the treatment is selected by phacoemulsification and small incision manual operation, the safety is reliable. Key words: Cataract; Brightness Action international aid to Africa; Phacoemulsificstion; Small incision extracapsular cataract extraction; Intraocular lens implantation

Analysis of the efficacy of cataract surgeries by Macao Life line Express"Light"

Objective To discuss the feasibility and safety of the cataract surgery for the poor by Macao Lifeline ExpressLight. Methods Macao Lifeline ExpressLightprovides free surgery for cataract patients in Baiyin, Gansu Province. The phacoemulsification or extracapsular cataract extraction through a small incision and intraocular lens implantation was performed. It went through nearly three months with completion of 1614 surgeries (1618 eyes). Results No endophthalmia or other serious complications occurred after surgeries. In this series 97.34% patients got rid of blindness while 73.98% patients recovered from disability. Conclusion Phacoemulsification or small incision extracapsular cataract extraction operated by Lifeline Express is effective and safe. Key words: Cataract; Lifeline express; Blindness, prevention, treatment

Manual small incision extracapsular cataract surgery in Australia

Examination of the results and describing the technique of manual small incision extracapsular cataract extraction on patients with advanced cataracts in urban Australia. A descriptive case series. Thirty-eight patients at three public hospitals, one tertiary and two secondary ophthalmic units in urban Australia. Forty eyes with dense mature cataracts with hand movement vision or worse underwent a planned manual small incision extracapsular cataract extraction instead of traditional phaco-emulsification. Postoperative visual aquity, surgically induced astigmatism and complications. Seventy-eight per cent of patients had an uncorrected visual acuity of 6/12 or better on the first postoperative day. Eighty-three per cent of patients had a distance corrected visual acuity of 6/9 or better 3 months postoperatively. One case was complicated by a posterior capsule rupture. No cases of endophthalmitis were reported. The summated vector mean of the surgically induced astigmatism was 0.089D at 93°. Manual small incision extracapsular cataract extraction is an efficacious cataract surgery technique with good visual outcome and is a safe alternative to phaco-emulsification in suitable cases in a first-world setting.

Clinical analysis of the non-phacoemulsification small-incision extracapsular cataract extraction in diabetics

Objective To study the operation effect of diabetic patients with cataract treated by non-phacoemulsification small-incision extracapsular cataract extraction (ECCE) and intraocular lens (IOL) implantation.Methods A total of 109 eyes of 96 diabetics with glucostasis underwent non-phacoemulsification small-incision ECCE and IOL implantation.Intraoperative and postoperative complications and visual acurty were observed.Results All patients were followed up for 3-18 months after surgery.The best corrected visual acuity (BCVA) are better than 0.5 in 86 eyes (78.90％),between 0.1 and 0.4 in 19 eyes (17.43％),and under 0.1 in 4 eyes (3.67％).Conclusion Non-phacoemulsification small-incision ECCE and IOL implantation surgery is safe and effective for diabetic cataract patients with steady blood glucose level,which should be popularized in primary hospitals. Key words: Diabetes ; Cataract ; Non-phacoemulsification ; Extraction, extracapsular; Small-incision

The treatment of intraoperative iridodialysis in small incision extracapsular cataract extraction

Objective To study the treatment and its effect for intraoperative iridodialysis in small incision extracapsular cataract extraction.Methods Three cases of intraoperative iridodialysis in small incision extracapsular cataract extraction were treated by sutureless sclera clamping method.3 months of follow-up was done.Results All the patients' iris of iridodialysis were treated with sutureless sclera clamping method.It recovered to normal position and form.There was no intraocular pressure change.The endothelial cells loss rate was between 5.16％ and 13.37％.Conclusion Sutureless sclera clamping method provides a new and simple repair methods for intraoperative iridodialysis in small incision extracapsular cataract extraction. Key words: Small incision; Extracapsular cataract extraction; Iridodiastasis; No suture Sclera clamping method; sutureless

Clinical analysis of small incision extracapsular cataract extraction and intraocular lens implantation in poverty-stricken areas in Africa

Objective To investigate the small incision extracapsular cataract extraction and intraocular lens implantation in the clinical effect and feasibility of poverty-stricken areas of Africa.Methods During the foreign aid in Moroccan from march 2009 to march 2011,the age of 45 to 86-year-old Moroccan patients with 538 cases (580 eyes) had undergone small incision extracapsular cataract extraction and intraocular lens implantation.The visual acuity,postoperative complications were observed.Results Visual acuity of1.0 or more were obtained in 25 eyes (4.31％),0.6～1.0in 148 eyes (25.52％),0.3 ～0.5 in 328 eyes (56.55％),0.05 ～0.25 in 74 eyes (12.76％),＜0.05 in 5 eyes (0.86％).Literacy rate was 99.14％,removing residual was 86.38％.Intraoperative complications:iris prolapse 23 eyes (3.97％) ; posterior capsular rupture 33 eyes (5.69％),among which 28 eyes were applied posterior chamber intraocular lens implantation at stage Ⅰ,two cases at stage Ⅱ,the other three eases gave up implantation.Postoperative complications:corneal edema,opacity 21 eyes (3.62％),no corneal bullae or corneal decompensation occurred.Anterior chamber inflammatory response 51 eyes (8.79％).Late-onset uveitis 11 eyes,of which 9 related to diabetes.All patients were found no retinal detachment,secondary glaucoma,intraocular lens dislocation or endophthalmitis.Conclusion Small incision extracapsular cataract extraction with IOL implantation in the joint damage,quick recovery,easy to operate,low cost,suitable for the hospital,poor economic conditions,the places and people,it become possible to make the local poor people cataract bright. Key words: Aid for Africa; Cataract; Cataract extraction,extracapsular,small incision; Intraocular lens implantation

Astigmatism following small incision cataract extraction through superotemporal incision.

To investigate the occurrence of corneal incision-induced astigmatism following small incision extracapsular cataract extraction through a superotemporal incision combined with intraocular lens (IOL) implantation. A total of 255 cases (301 eyes) who received small incision extracapsular cataract extraction through a superotemporal incision with IOL implantation in the Department of Ophthalmology, Yuyan District Hospital of Guiyang were enrolled in this clinical trial. Postoperative best-corrected visual acuity and astigmatism were measured. The patients underwent 24-week follow-up. In total, 166 patients (65.1%, 166 eyes) completed follow-up. Astigmatism gradually declined between 1 and 12-week postoperatively, and stabilized after 12 weeks. Among 166 patients, 125 (75.3%) had astigmatism > 0.5 D at 24 weeks post-operatively, showing mostly with-the-rule astigmatism. Visual acuity steadily improved up to 12 weeks, and tended to stabilize subsequently. Over the period of 24-week postoperatively, visual acuity was negatively correlated with astigmatism (r = - 0.691, P<0.05). Superotemporal small incision extracapsular extraction combined with IOL implantation is associated with modest astigmatism which declines over the post-operative period.

Clinical observation of small-incision extracapsular cataract extraction after glaucoma surgery in 17 cases of sight rehabilitating project of Disabled Persons' Federation in Wusu, Xinjang

Objective To observe the possibility of cataract extraction after glaucoma surgery of sight rehabilitating project. Methods 17 cases after glaucoma surgery were completed small-incision cataract extraction(SICE) with intraocular lens implantation surgeries on temperal or nasal limbus and sutured conjunctive incision. Results 16 cases were completed small-incision cataract extraction (SICE) with intraocular lens implantation successfully. 1 case had lens dislocation and was treated by intracapsular cataract extraction. The sights of all cases were improved. Conclusion The SICE is easy to operate. It is a safe and effective method for treatment of cataract after glaucoma surgery. Key words: cataract extraction,small-incision, extracapsular; glaucoma surgery; Disabled Persons's Federation

The application of anterior capsulectomy by scission in cataract surgery for lens subluxation

Objective To study the clinical efficacy of the application of anterior capsulectomy by scission in extracapsular cataract extraction (ECCE) for patients with lens subluxation. Methods 23 cases (23 eyes) with lens subluxation and cataract were treated by small incision ECCE combined with intraocular lens( IOL) implantation surgery. The scission was applied in anterior capsulectomy during operation. The cases were followed up for 6～24 months, 10.5 months in average. Results There were no expansion of lens detachment or increasement of vitreous prolapse during operation. The best corrected visual acuity (BCVA) of those cases were: 2 eyes ( 8. 70 % ) no less than 1.0,7 eyes ( 30. 43 % ) no less than 0. 5 and 16 eyes less than 0.5. Of those 16 eyes with BCVA worse than 0. 5,2 eyes were retinitis pigmentosa,7 eyes were ocular contusion combined with different degrees of retinal contusion, 2 eyes were traumatic optic nerve atrophy, 2 eyes were vitreous opaque ( obsolete hemorrhagic ) , 1 eye was traumatic macular hole and 2 eyes were high myopia( - 10.00 diopters or higher). Conclusion The application of anterior capsulectomy by scission is safe and satisfactory in small incision ECCE combined with IOL implantation surgery for lens subluxation. Key words: anterior capsulectomy; scission; lens subluxation; cataract surgery,small incision, manual

The clinic application of small incision with chop technique extracapsular cataract extraction and IOL implantation in cases of hard nucleus cataract.

Objective To observe the clinic effect of small incision extracapsular cataract extraction with chop technique and IOL implantation. Methods A retrospective analysis was done on 152 cases（ 175 eyes）of cataract with IV or V degree nucleus, the fitness, clinic effect and complication of the operation were discussed. Results The eyesight of 164 eyes were 0.3 or above 0.3. That ocupied 93.71%. The eyesight above 0.05 oeupied 100%. Postoperative examinations at 1 week, 1 month, and 3 month, the difference of changes in the corneal curvature were not significantly changed preoperatively, 1 week,1 month and 3 months after surgery. （P 〉 0.05 ）. A significant change in corneal endothelium cell was found between before and after the surgery （ P 〈 0.05 ） , while no significant change in corneal endothelium cell was found among postoperative examinations at 1 week, 1 month, and 3 month （ P 〉 0.05 ）. Conclusion Small incision with chop technique extracapsular cataract extraction and IOL implantation was an effective way to cure cataract with hard nucleus. The method was easy to use and fit to the basic hospital. Key words: small incision ; chop technique ; hard nucleus cataract ; lens, artifical

Incidence of post-cataract endophthalmitis at Aravind Eye Hospital: Outcomes of more than 42 000 consecutive cases using standardized sterilization and prophylaxis protocols

To report the incidence of postoperative endophthalmitis at a high-volume eye hospital in southern India using a modified cost-effective sterilization protocol. Aravind Eye Hospital and Post Graduate Institute of Ophthalmology, Pondicherry, India. In this retrospective observational series at a single eye hospital, records of patients who had cataract surgery using a modified sterilization protocol from January 2007 through August 2008 and developed postoperative endophthalmitis within the first 3 postoperative months were drawn from a computerized database. The patient's socioeconomic status, the surgeon's experience, and the type of cataract procedure performed were analyzed as possible risk factors using the chi-square test/Fischer exact test. During the study period, 42426 cataract surgeries were performed. From these, 38 cases of presumed postoperative endophthalmitis were identified (incidence 0.09%). Thirty-five of the 38 cases were in the manual large- and small-incision extracapsular cataract extraction (ECCE) group, which had a statistically higher rate than the phacoemulsification group (P = .016). There was no statistical difference in the endophthalmitis rates between private patients and charity patients for either surgical method (manual ECCE or phacoemulsification). The modified sterilization and asepsis protocol adopted to facilitate high-volume cataract surgery in a clinical setting appeared to be safe and effective in preventing postsurgical endophthalmitis. Despite a 3:1 ratio of manual ECCE to phacoemulsification and the elimination of certain traditional sterilization practices, the rate of endophthalmitis in this generally underserved patient population with multiple risk factors for infection was comparable to that reported in other modern settings.

Non-phacoemulsification small incision extracapsular cataract extraction and goniosynechialysis on management of angle closure glaucoma

目的 评价手法小切口晶状体囊外摘出联合房角分离术治疗闭角型青光眼的疗效.方法 回顾分析2004年6月至2006年6月住院治疗的闭角型青光眼85例(98眼),分别对54例(63眼)行小切口晶状体囊外摘出、31例(35眼)行超声乳化晶状体吸出联合房角分离后房型硬性人工晶状体植入治疗闭角型青光眼,进行分析比较.结果 术后1月眼压,小切口组: 0.05).术后1周最佳矫正视力,小切口组:≥0.5者41眼、0.1～0.4者16眼、 0.05).结论 小切口晶状体囊外摘出联合房角分离术治疗闭角型青光眼与超声乳化晶状体吸出联合房角分离联合后房型硬性人工晶状体植入术,效果相近,可有效治疗闭角型青光眼。

Temperal scleral manual extracapsular cataract extraction by small incision in patients after glaucoma surgery

目的 评价青光眼小梁切除术后经颞侧巩膜隧道小切口非超声乳化手法娩核囊外摘出术治疗白内障的手术方法和临床效果.方法 对38例42眼施行手术.常规球后麻醉.于颞侧角膜缘后2.0 mm行直线形或反眉形巩膜板层切开,长为5.5 mm,作隧道切口至透明角膜内1 mm.注入黏弹剂,行连续环行撕囊或开罐式截囊,直径6 mm,水分离后以旋转法将晶状体核旋入前房,以晶状体圈匙将核托出.以注吸针头吸净晶状体皮质.囊袋内植入人工晶状体.术中缩瞳.术后随访至少3月,观察视力、眼压、滤过泡等.结果 本组38例42眼术后第3天视力≥0.5者29眼(69.04%),术后眼压均在正常范围内,对原滤过泡无影响,未见严重并发症.结论 青光眼术后特别是上方小梁切除术后的白内障患者,经颞侧巩膜隧道式小切口进行手法娩核白内障手术切实可行,效果良好,值得向基层医院推荐。