Contrast visual acuity after multifocal intraocular lens implantation: aspheric versus spherical design

AIM: To evaluate contrast visual acuity(CVA) after implantation of an aspheric apodized diffractive intraocular lens(IOL) or a spherical apodized diffractive IOL in cataract surgery. ·METHODS: This prospective randomized controlled study with a 12-month follow-up compared the results of cataract surgery with implantation of an aspheric AcrySof ReSTOR SN6AD3 IOL(30 eyes) and a spherical AcrySof ReSTOR SN60D3 IOL(30 eyes). CVA with best distance correction was measured at 4 contrast levels(100%,25%,10% and 5%) under 3 levels of chart luminance [250,85 and 25 candelas per square meter(cd/m2)] using a multi-functional visual acuity tester(MFVA-100). ·RESULTS: At 12 months after surgery,there were no statistically significant differences in 100% CVA and 25% CVA under 250cd/m2(P100% =0.875 and P25% =0.057) and 85cd/m2(P100% =0.198 and P25% =0.193) between the aspheric group and the spherical group. However,the 10% CVA and 5% CVA were significant better in aspheric group than spherical group under 250cd/m2(P10% =0.042 and P5% = 0.007) and 85cd/m2(P10% =0.002 and P5%=0.039). Under the luminance level of 25cd/m 2,no significant differences was found in the 100% CVA between the 2 group(P100% = 0.245),while aspheric group had better visual acuity in the remaining 3 contracts(P25% =0.023,P10% =0.026 and P5% = 0.002,respectively). ·CONCULSION: The aspheric AcrySof ReSTOR SN6AD3 IOL provided patients with better low-contrast visual acuity than the spherical AcrySof ReSTOR SN60D3 IOL.

Visual functional changes during acute elevation of intraocular pressure

Glaucoma is closely related to elevation of intraocular pressure （IOP）. Many studies have done on the effect of chronic elevation of lOP on the retina and optic nerve, but less attention was paid to the effect of acute elevated lOP. Here we briefly review experimental studies on functional changes of the visual system from the retina to the visual cortex under acute elevated lOP condition, which is similar to that of acute primary angle-closure glaucoma.

Intravitreal triamcinolone acetonide： a ＂real world＂ analysis of visual acuity, pressure and outcomes

Dear Sir,Triamcinolone acetonide（TA）is worldwide available therapeutic agent that is commonly used throughout medicine.TA remains a safe and important ophthalmic therapeutic agent even after the advent of angiogenesis inhibitors[1-2].

Visual function and higher order aberration after implantation of aspheric and spherical multifocal intraocular lenses:a meta-analysis

AIMTo assess the visual outcomes of aspheric multifocal intraocular lenses (IOLs) compared with spherical multifocal IOL after cataract surgery.

Visual outcome and optical quality after bilateral implantation of aspheric diffractive multifocal, aspheric monofocal and spherical monofocal intraocular lenses: a prospective comparison

·AIM: To evaluate the visual function after bilateral implantation of aspheric diffractive multifocal Tecnis ZMA00, aspheric monofocal ZA9003 versus spherical monofocal Akreos Adapt intraocular lenses (IOLs). ·METHODS: Tecnis ZMA00, Tecnis ZA9003 or Akreos Adapt IOLs were bilaterally implanted in 180 eyes from 90 patients. The following parameters were assessed 3 months postoperatively: monocular and binocular uncorrected visual acuity (UCVA) and distance-corrected visual acuity (DCVA) for distance, intermediate and near, spherical aberration (SA), contrast and glare sensitivity, near point refractive power, uncorrected and best corrected near stereoscopic acuity (NSA). Patient satisfaction was assessed by a questionnaire. ·RESULTS:Threemonthspostoperatively,themonocular and binocular UCVA and DCVA at near of Tecnis ZMA00 were significantly better than other two groups. The mean SA for 5.0mm optical zone in Tecnis ZMA00 and Tecnis ZA9003 was significantly lower than that in Akreos Adapt. Mean contrast sensitivity and glare sensitivity were better for Tecnis ZA9003 group than for other two groups. Patients with Tecnis ZMA00 had higher monocular and binocular near point refractive power and uncorrected NSA than monofocal groups. The patients in Tecnis ZMA00 had higher mean values for halo compared with other two groups. ·CONCLUSION: Tecnis ZMA00 provided better near VA and uncorrected NSA and higher near point refractive power than monofocal IOLs and patients were spectacle independent. The IOLs with Tecnis aspheric design improved contrast and glare sensitivity. Patients with Tecnis ZMA00 reported more disturbances on visual phenomena of halo. ·

Intraocular pressure fluctuation and the risk of glaucomatous damage deterioration: a Meta-analysis

AIM: To systematically review whether the increased fluctuation of intraocular pressure(IOP) is a risk factor for open angle glaucoma(OAG) progression. METHODS: Scientific studies relevant to IOP fluctuation and glaucoma progression were retrieved from MEDLINE,EMBASE and CENTRAL databases, and were listed as references in this paper. The hazard ratio(HR) was calculated by using fixed or random-effects models according to the heterogeneity of included studies. RESULTS: Individual data for 2211 eyes of 2637 OAG patients in fourteen prospective studies were included in this Meta-analysis. All studies were longitudinal clinical studies with follow-up period ranging from 3 to 8.5 y. The combined HR was 1.23(95%CI 1.04-1.46, P=0.02) for the association between IOP fluctuation and glaucoma onset or progression with the evidence of heterogeneity(P<0.1).Subgroup analyses with different types of IOP fluctuation were also evaluated. Results indicated that the summary HR was 0.98(95%CI 0.78-1.24) in short-term IOP fluctuation group, which showed no statistical significance with heterogeneity, whereas, the combined HR was 1.43(95%CI1.13-1.82, P=0.003) in long-term IOP fluctuation group without homogeneity. Sensitivity analysis further showed that the pooled HR was 1.10(95%CI 1.03-1.18, P=0.004) for long-term IOP fluctuation and visual function progression with homogeneity among studies(P=0.3). CONCLUSION: Long-term IOP fluctuation can be a risk factor for glaucoma progression based on the presentedevidence. Thus, controlling the swing of IOP is crucial for glaucoma or glaucoma suspecting patients.

Impact of intraocular pressure fluctuations on progression of normal tension glaucoma

AIM:To investigate short-and long-term intraocular pressure(IOP)fluctuations and fur ther ocular and demographic parameters as predictors for normal tension glaucoma(NTG)progression.METHODS:This retrospective,longitudinal cohort study included 137 eyes of 75 patients with NTG,defined by glaucomatous optic disc or visual field defect with normal IOP(<21 mm Hg),independently from therapy regimen.IOP fluctuation,mean,and maximum were inspected with a mean follow-up of 38 mo[standard deviation(SD)18 mo].Inclusion criteria were the performance of minimum two 48-hour profiles including perimetry,Heidelberg retina tomograph(HRT)imaging,and optic disc photographs.The impact of IOP parameters,myopia,sex,cup-to-disc-ratio,and visual field results on progression of NTG were analyzed using Cox regression models.A sub-group analysis with results from optical coherence tomography(OCT)was performed.RESULTS:IOP fluctuations,average,and maximum were not risk factors for progression in NTG patients,although maximum IOP at the initial IOP profile was higher in eyes with progression than in eyes without progression(P=0.054).The 46/137(33.5%)eyes progressed over the followup period.Overall progression(at least three progression confirmations)occurred in 28/137 eyes(20.4%).Most progressions were detected by perimetry(36/46).Longterm IOP mean over all pressure profiles was 12.8 mm Hg(SD 1.3 mm Hg);IOP fluctuation was 1.4 mm Hg(SD 0.8 mm Hg).The progression-free five-year rate was 58.2%(SD 6.5%).CONCLUSION:Short-and long-term IOP fluctuations do not result in progression of NTG.As functional changes are most likely to happen,NTG should be monitored with visual field testing more often than with other devices.

Encouraging Visual Outcome of a New Accommodative Intraocular Lens: A Retrospective Long-Term Study with a Mean Follow-Up of 5.3 Years

Purpose: To assess the visual outcome after implantation of the new Hydrophylic IOL type 41 B/G accommodating intraocular lens (AIOL). Methods: The presented lens was implanted during cataract surgery. All patients were offered follow-ups, allowing two postoperative measurements to be performed at 3 months and between 2020 and 2021. The mean time between lens implantation and last follow-up was 5.3 years (min. 1 year, max. 10 years). Excluded were patients with age-related macular degeneration or amblyopia. Patients with a foreign lens implanted into the second eye were included in a separate control group. Corrected distance (CDVA) and uncorrected distance visual acuity (UDVA) at 5 m, and corrected near (CNVA) and uncorrected near visual acuity (UNVA) at 40 cm were assessed. Furthermore, the postoperative spherical equivalent (SE), the dependence on spectacles and the occurrence of optical phenomena were evaluated. Results: The final study cohort consists of 65 patients with 119 implanted AIOLs. Significantly better visual results were obtained in both postoperative follow-ups compared with the preoperative results. The mean values of the last follow-up for the UNVA, CNVA, UDVA, and CDVA were 0.107 ± 0.10;0.039 ± 0.08;0.097 ± 0.11;and 0.040 ± 0.09 logMAR, respectively. Visual outcomes remained on a high level for up to 10 years and showed significantly better results compared to the control group. Postoperative SE was significantly improved. Nearly 70% of patients were no longer dependent on glasses. Furthermore, the occurrence of disturbing optical phenomena was denied by all patients. Conclusion: The results of this AIOL are particularly promising, especially since gratifying visual results could still be measured 10 years after implantation.

Effect of phacoemulsification on vision and intraocular pressure and corneal astigmatism

Objective:To explore the effect of phacoemulsification in combined with intraocular lens implantation incision site selection on the visual function, intraocular pressure, and corneal astigmatism in patients with cataract.Methods:A total of 72 patients (85 eyes) with cataract who were admitted in our hospital from April, 2015 to October, 2016 were included in the study. All the patients were performed with phacoemulsification in combined with intraocular lens implantation. The patients were divided into the observation group (n=36, 43 eyes) and the control group (n=36, 42 eyes) according to different surgical incision sites. A transparent corneal incision with a length of 3.0 mm was made along the meridian axial position with the maximum corneal refractive power in the observation, while a transparent corneal incision with a length of 3.0 mm was made above the temple or nose in the control group. Routine disposition and follow-up visit were given for the patients in the two groups after operation. BCVA, intraocular pressure, corneal astigmatism, and corneal endothelial cell count in the two groups before and after operation were compared.Results:BCVA after operation in the two groups was significantly elevated, while the corneal endothelial cell count was significantly reduced, but the comparison of BCVA and corneal endothelial cell count between the two groups was not statistically significant. The intraocular pressure after operation in the two groups was elevated first and reduced later. The intraocular pressure 2 h and 1 d after operation was significantly elevated when compared with before operation. The intraocular pressure 2 d after operation was not significantly different from that before operation. The comparison of intraocular pressure at each timing point after operation between the two groups was not statistically significant. The corneal astigmatism after operation in the two groups was elevated first and reduced later. The surgically induced astigmatism 7 d-6 months after operation was significantly reduced, and the average corneal astigmatism 7 d-6 months after operation in the observation group was significantly lower than that in the control group. The surgically induced astigmatism 1-6 months after operation in the observation group was significantly lower than that in the control group.Conclusions: Phacoemulsification in combined with intraocular lens implantation incision site selection including maximum corneal refractive power site and routine surgical incision can improve the patients' vision, but the maximum corneal refractive power site surgical incision can reduce the postoperative corneal astigmatism, and has a certain advantage.

Surgical treatment and visual outcomes of cataract with persistent hyperplastic primary vitreous

AIM：To evaluate the surgical treatment and visual outcomes of eyes with cataract and persistent hyperplastic primary vitreous（PHPV）.METHODS：This retrospective study included patients with cataract and PHPV treated with various strategies.Anterior PHPV was treated using phacoemulsification with underwater electric coagulation on posterior capsule neovascularization,posterior capsulotomy,anterior vitrectomy,and intraocular lens（IOL）implantation. Posterior PHPV was treated with lensectomy,posterior vitrectomy,retinal photocoagulation,and IOL implantation or silicone oil tamponade. Visual acuity（VA）,pattern visual evoked potential（P-VEP）,anatomic recovery,postoperative complications,and amblyopia outcome were examined.Subjects were followed-up for 3-48 mo after surgery.RESULTS：Of the 30 patients（33 eyes）with congenital cataract and PHPV included（average age,39.30±35.47mo）,9 eyes had anterior PHPV and 24 had posterior PHPV. Thirty-two eyes were surgically treated. Eyes with anterior PHPV received an IOL during one-stage（6 eyes）and twostage（3 eyes）implantation. Postoperative complications included retinal detachment（1 eye）and recurrent anterior chamber hemorrhage（1 eye）. In eyes with posterior PHPV,6 and 11 eyes received IOLs in one-and two-stage procedures,respectively. Silicone oil was retained in 2 eyes,and IOLs were not implanted in 4 eyes. VA significantly improved in 25 eyes following operations and 3-48 mo of amblyopia treatment. P-VEP P_（100） was improved following surgery in both PHPV types.CONCLUSION：Our surgical strategies are appropriate and effective for anterior and posterior PHPV. Early surgical intervention and amblyopia therapy result in positive treatment outcomes.

Comparison of corneal biomechanical properties in normal tension glaucoma patients with different visual field progression speed

AIM：To compare the corneal biomechanical properties difference by ocular response analyzer（ORA） in normal tension glaucoma（NTG） patients with different visual field（VF） progression speed. METHODS：NTG patients with well-controlled Goldmann applanation tonometer（GAT） who routinely consulted Kitasato University Hospital Glaucoma Department between January 2010 and February 2014 were enrolled.GAT and ORA parameters including corneal compensated intraocular pressure（lOPcc）,Goldmann estimated intraocular pressure（lOPg）,corneal hysteresis（CH）,corneal resistance factor（CRF） were recorded.VF was tested by Swedish interactive threshold algorithm（SITA）-standard 30-2 fields.All patients underwent VF measurement regularly and GAT did not exceed 15 mm Hg at any time during the 3y follow up.Patients were divided into four groups according to VF change over 3y,and ORA findings were compared between the upper 25th percentile group（slow progression group） and the lower 25th percentile group（rapid progression group）.RESULTS：Eighty-two eyes of 56 patients were studied.There were 21 eyes（21 patients） each in rapid and slow progression groups respectively.GAT,lOPcc,lOPg,CH,CRF were 12.1＋1.4 mm Hg,15.8±1.8 mm Hg,12.8±2.0 mm Hg,8.4±1.1 mm Hg,7.9±1.3 mm Hg respectively in rapid progression group and 11.5±1.3 mm Hg,13.5±2.1 mm Hg,11.2±1.6 mm Hg,9.3±1.1 mm Hg,8.2±0.9 mm Hg respectively in slow progression group（P=0.214,〈0.001,0.007,0.017,0.413,respectively）.In bivariate correlation analysis,lOPcc,lOPcc-GAT and CH were significant correlated with m△MD（r =-0.292,-0.312,0.228 respectively,P =0.008,0.004,0.039 respectively）.CONCLUSION：Relatively rapid VF progression occurred in NTG patients whose lOPcc are rather high,CH are rather low and the difference between lOPcc and GAT are relatively large.Higher lOPcc and lower CH are associated with VF progression in NTG patients.This study suggests that GAT measures might underestimate the IOP in such patients.

The Study of Relationships between the Damage of Visual Function and Hemorrheology, Ocular Rheography, as well as Other Related Factors in Patients with Primary Open Angle Glaucoma (POAG)

Researches of glaucoma visual function damage, hemorrheololgy, ocular rheography and other related multiplex factors, with computed multifactorial stepwise regresion analysis, indicate that the elevation of intraocular pressure (IOP) is not the only factor to induce visual impairment. POAG patients are shown to have markedly reduced diastolic purfussion pressure in ophthalmic artery, besides prolonged filling time of the retinal artery and vein, diminished erythrocyte deformability and increased platele...

Macular hole following phakic intraocular lens implantation:A case report

BACKGROUND Phakic intraocular lens(pIOL)implantation has been commonly prescribed and is considered as a safe and effective option for correcting high myopia.However,it is associated with multiple complications.CASE SUMMARY This report describes a case of full-thickness macular hole(MH)in a patient with a history of bilateral pIOL implantation for the correction of myopia of–12.00 diopters in both eyes 7 mo ago.The MH closed after pars plana vitrectomy with internal limiting membrane removal and the best-corrected visual acuity improved to 20/40 in the left eye.CONCLUSION In rare cases,MH can occur following pIOL.In this present case report,we analyzed the formation process of MH following the surgery and emphasized that it is important to inform highly myopic patients about the risk of MH occurrence while being aware of the symptoms of this complication.

激光周边虹膜切除术在原发性急性闭角型青光眼患者中的应用效果及对眼压和视力的影响

目的探讨激光周边虹膜切除术在原发性急性闭角型青光眼患者中的应用效果及对眼压和视力的影响。方法以随机法选取2020年10月至2022年10月的80例(86眼)原发性急性闭角型青光眼患者作为研究对象,所有患者给予激光周边虹膜切除术治疗。观察患者术前、术后的眼压、视力水平、房角关闭情况及角膜内皮细胞指标。结果术后,患者的眼压低于术前,视力水平高于术前(P<0.05)。术后,患者的前房角角度(ACA)、前房容积(ACV)和周边前房深度(PACD)均显著大于术前(P<0.05);术后,患者的中央前房深度(CACD)与术前比较,差异无统计学意义(P>0.05)。术后,患者的平均内皮细胞面积(AVE)、最大细胞面积(MAX)、最小细胞面积(MIN)、细胞密度(CD)、变异系数(CV)及细胞面积标准差(SD)与术前比较,差异无统计学意义(P>0.05)。结论原发性急性闭角型青光眼患者早期给予激光周边虹膜切除术治疗对降低眼压有明显效果,且还能提升视力水平,改善房角关闭情况,对患者角膜内皮细胞的损伤较小,安全性较高。

雷珠单抗联合半量睫状体光凝术治疗新生血管性青光眼的效果观察

目的探讨雷珠单抗联合半量睫状体光凝术治疗新生血管性青光眼(NVG)的效果观察。方法选取2021年1月至2023年1月在首都医科大学宣武医院治疗的NVG患者110例(110眼)作为研究对象。在组间基线特征匹配的原则上,按照简单随机数表法将入组NVG患者分为观察组与对照组,各55例。对照组行半量睫状体光凝术,观察组在其基础上加用雷珠单抗治疗每月1次,连续3次。比较两组新生血管消退时间、治疗成功率、术后并发症及6个月复发率,治疗后1个月、3个月和6个月最佳矫正视力(BCVA)和眼压恢复情况,及治疗前、治疗3个月后血清检测指标[血清白细胞介素-1β(IL-1β)、IL-6和血管内皮生长因子水平(VEGF)]。结果观察组患者新生血管消退时间及成功率优于对照组(P<0.05)。治疗后1个月、3个月和6个月,两组患者BCVA均比治疗前明显升高,但组间比较差异无统计学意义(P>0.05);两组患者眼压均比治疗前明显降低,且观察组各时间点更低,差异有统计学意义(P<0.05)。治疗后两组患者IL-1β、IL-6和VEGF水平均低于治疗前,且观察组比对照组更低(P<0.05)。两组患者的并发症发生率及术后复发率差异均无统计学意义(P>0.05)。结论雷珠单抗联合半量睫状体光凝术治疗NVG成功率较高,可以有效改善眼压和炎症水平。

区域折射型人工晶状体对散光的包容性

目的:探讨年龄相关性白内障患者行白内障超声乳化摘除联合区域折射型人工晶状体(IOL)植入术后残余散光对视觉质量的影响,评估区域折射型IOL对散光的包容性。方法:回顾性队列研究。收集2020-07/2022-03于我院眼科行白内障超声乳化摘除联合区域折射型IOL(Lentis Comfort LS-313 MF15)植入术的年龄相关性白内障患者62例73眼的临床资料,根据术后6 mo残余散光度数进行分组,0.75 D<残余散光度数≤1.50 D的患者35例40眼作为试验组,残余散光度数≤0.75 D的患者27例33眼作为对照组。比较两组患者术后6 mo视力、离焦曲线、客观视觉质量[波前像差、斯泰尔比值(SR)、调制传递函数(MTF)]、主观视觉质量(视功能问卷评分)、满意度及脱镜率情况。结果:两组患者术前散光度数及术后6 mo残余散光度数均有差异(P<0.01)。术后6 mo,两组患者裸眼远、中、近视力、客观视觉质量、主观视觉质量、满意度及脱镜率均无差异(P>0.05),离焦曲线显示,两组患者在附加球镜度数+2.00--4.00 D离焦范围内各点视力均无差异(P>0.05)。结论:Lentis Comfort LS-313 MF15 IOL能够包容1.50 D以内的规则散光。

无灌注区、黄斑区双激光方案在视网膜静脉分枝阻塞继发黄斑水肿患者中的应用分析

目的 探讨无灌注区、黄斑区双激光方案在视网膜静脉分枝阻塞(BRVO)继发黄斑水肿(ME)患者中的应用分析。方法 根据随机数字表法将浙江省丽水市人民医院2021年5月至2022年5月收治的150例BRVO继发ME患者分为对照组(雷珠单抗玻璃体腔内注射治疗)和双激光组(雷珠单抗联合无灌注区、黄斑区双激光治疗),各75例。治疗后3个月,比较两组临床效果、恢复情况[最佳矫正视力(BCVA)、眼内压(IOP)、黄斑中心视网膜厚度(CMT)]、黄斑区血流情况及荧光素眼底血管造影检查结果。结果 双激光组疗效优于对照组(P<0.05)。治疗后3个月,两组BCVA高于治疗前,IOP、CMT低于治疗前,且双激光组BCVA高于对照组,IOR、CMT低于对照组(P<0.05)。治疗后3个月,两组浅、深层毛细血管血流密度均高于治疗前,且双激光组高于对照组(P<0.05)。双激光组囊样渗漏、弥漫渗漏、局部渗漏发生率均低于对照组(P<0.05)。结论 玻璃体腔内注射雷珠单抗联合无灌注区、黄斑区双激光治疗BRVO继发ME可提高雷珠单抗的效果,促进患者视力恢复,还可改善黄斑区血流状况,减少血管渗漏发生。

补肾活血法联合甲钴胺片干预眼压控制后青光眼的临床效果

目的探讨补肾活血法联合甲钴胺片干预眼压控制后青光眼的安全性和有效性,为中西医结合治疗眼压控制后青光眼提供更多的临床手段和思路。方法选取2018年1月至2022年12月在萍乡市人民医院眼科就诊并通过眼压检查确定为眼压控制后青光眼的60例患者作为研究对象,根据患者就诊先后顺序分为治疗组(30例)和对照组(30例),对照组单纯予以甲钴胺片口服,治疗组在对照组基础上口服补肾活血中药组方,两组均治疗3个月,比较两组的视力、眼压、视野及中医证候积分的变化情况。结果对照组中完成观察28例(45只眼),治疗组完成观察26例(44只眼)。两组患者治疗前后的眼压、视力组间、组内比较,差异无统计学意义(P>0.05)。两组患者治疗后的视野平均敏感度(MS)均高于本组治疗前,差异有统计学意义(P<0.05)。治疗组治疗后的平均缺损(MD)、丢失方差(LV)、视野缺损计分及中医证候积分均低于本组治疗前,差异有统计学意义(P<0.05);对照组治疗前后的MD、LV、视野缺损积分及中医证候积分比较,差异无统计学意义(P>0.05)。结论补肾活血法联合甲钴胺片口服治疗眼压控制后青光眼,有助于提高视力及视觉敏感度,有效控制视野缺损,改善患者中医症状,为青光眼眼压控制后患者后期的视功能保护提供了一种新的思路。

黄芩苷辅助治疗青光眼临床疗效分析

目的探究黄芩苷辅助治疗青光眼的临床疗效。方法回顾性分析72例青光眼患者的临床资料,根据治疗方法进行分组,观察组36例(36眼)予以黄芩苷+布林佐胺滴眼液治疗,对照组36例(36眼)仅予布林佐胺滴眼液治疗。2组均连续治疗4周。比较2组临床总有效率及患眼治疗前后眼压、矫正视力和眼血流动力学参数的变化。结果治疗后,观察组临床总有效率为94.44%,显著高于对照组的77.78%(P<0.05)。2组患眼眼压均较治疗前降低(P均<0.05),且观察组显著低于对照组(P<0.05);2组患眼矫正视力均较治疗前升高(P均<0.05),且观察组显著高于对照组(P<0.05)。2组患眼视野平均缺损均较治疗前降低(P均<0.05),光敏感度较治疗前增高(P<均0.05);且观察组视野平均缺损显著低于对照组(P<0.05),光敏感度显著高于对照组(P<0.05)。2组患眼视网膜中央动脉(central retinal artery,CRA)的收缩期峰值流速(peak systolic velocity,PSV)、舒张末期血流速度(end diastolic velocity,EDV)等血流动力学指标均较前升高(P均<0.05),且观察组上述指标显著高于对照组(P均<0.05);2组患眼CRA的阻力指数(resistance index,RI)较前降低(P均<0.05),且观察组显著低于对照组(P<0.05)。结论黄芩苷辅助治疗青光眼可取得更为满意的治疗效果,可改善眼血流动力学参数,有助于降低眼压,提高矫正视力。

晶状体超声乳化术治疗早期闭角型青光眼的效果观察

目的观察在早期闭角型青光眼治疗中使用晶状体超声乳化术所取得的治疗效果。方法选取2022年3月—2023年3月在本院接受治疗的早期闭角型青光眼患者80例为研究样本,采用随机法分两组,每组40例。采用晶状体超声乳化术治疗的作为观察组,采用周边虹膜切除治疗法的作为对照组,对比术前、后视力水平,并发症发生率,术前、后中央前房深度及眼压。结果术前,两组的视力水平对比,差异无统计学意义(P>0.05);术后,观察组的视力水平低于对照组,并发症发生率低于对照组,组间差异有统计学意义(P<0.05)。术前,两组中央前房深度及眼压对比,差异无统计学意义(P>0.05);术后,观察组中央前房深度及眼压低于对照组,组间差异有统计学意义(P<0.05)。结论在早期闭角型青光眼治疗中使用晶状体超声乳化术治疗方法,有助于改善患者视力水平,降低并发症发生率,改善中央前房深度及眼压,疾病临床治疗效果显著。