Journal of Glaucoma最新文献

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Letter to the Editor: The Use of Cost-Effectiveness Analyses in Open Angle Glaucoma Management: A Systematic Review of the Current Literature. 致编辑的信:成本效益分析在开角型青光眼管理中的应用:当前文献的系统回顾。
IF 2 4区 医学
Journal of Glaucoma Pub Date : 2024-09-01 Epub Date: 2024-05-29 DOI: 10.1097/IJG.0000000000002444
Omar Salamanca
{"title":"Letter to the Editor: The Use of Cost-Effectiveness Analyses in Open Angle Glaucoma Management: A Systematic Review of the Current Literature.","authors":"Omar Salamanca","doi":"10.1097/IJG.0000000000002444","DOIUrl":"10.1097/IJG.0000000000002444","url":null,"abstract":"","PeriodicalId":15938,"journal":{"name":"Journal of Glaucoma","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141161892","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Letter to the Editor: Relative Flow Index as a Novel Optical Coherence Tomography Angiography Biomarker in Primary Open Angle Glaucoma. 致编辑的信:相对血流指数作为原发性开角型青光眼的新型光学相干断层扫描血管造影生物标志物。
IF 2 4区 医学
Journal of Glaucoma Pub Date : 2024-09-01 Epub Date: 2024-05-30 DOI: 10.1097/IJG.0000000000002446
Edward Kang, Ji-Hye Park, Chungkwon Yoo, Yong Yeon Kim
{"title":"Letter to the Editor: Relative Flow Index as a Novel Optical Coherence Tomography Angiography Biomarker in Primary Open Angle Glaucoma.","authors":"Edward Kang, Ji-Hye Park, Chungkwon Yoo, Yong Yeon Kim","doi":"10.1097/IJG.0000000000002446","DOIUrl":"10.1097/IJG.0000000000002446","url":null,"abstract":"","PeriodicalId":15938,"journal":{"name":"Journal of Glaucoma","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141161912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Efficacy of Ab Interno Revision for Trabeculectomy Bleb Failure Using a Minimally Invasive Approach: A Prospective Study. 采用微创方法对小梁切除术出血失败进行腹腔内翻修的疗效:一项前瞻性研究
IF 2 4区 医学
Journal of Glaucoma Pub Date : 2024-09-01 Epub Date: 2024-05-06 DOI: 10.1097/IJG.0000000000002418
Sagarika Snehi, Faisal Thattaruthody, Jyoti Singh, Ashok Singh, Surinder S Pandav, Sushmita Kaushik
{"title":"Efficacy of Ab Interno Revision for Trabeculectomy Bleb Failure Using a Minimally Invasive Approach: A Prospective Study.","authors":"Sagarika Snehi, Faisal Thattaruthody, Jyoti Singh, Ashok Singh, Surinder S Pandav, Sushmita Kaushik","doi":"10.1097/IJG.0000000000002418","DOIUrl":"10.1097/IJG.0000000000002418","url":null,"abstract":"<p><strong>Prcis: </strong>Ab interno bleb revision using the Grover and Fellman spatula offers potential benefits in improved intraocular pressure control and spares the conjunctiva for enhanced bleb management.</p><p><strong>Purpose: </strong>This study aimed to evaluate the safety and effectiveness of Ab-Interno Bleb Revision (AIBR) for treating failed trabeculectomy blebs.</p><p><strong>Methods: </strong>This noncomparative case series enrolled glaucoma patients with failed trabeculectomy blebs who underwent AIBR and were followed up for 1 year. Eligible patients received subconjunctival Mitomycin C 0.1 mL of 0.2 mg/mL (20 μg) 5 days before the AIBR, performed using the Grover and Fellman spatula. The primary outcome measures were intraocular pressure (IOP) and the usage of IOP-lowering medications 1 year after the procedure. Secondary outcomes included the procedure's failure rate and complications. Complete success was defined as achieving an IOP between 5 and 21 mm Hg without medication, while qualified success required additional medical treatment.</p><p><strong>Results: </strong>The study comprised 23 eyes from 23 patients, having a mean age of 59.66±14.93 years. Preoperatively, the mean IOP was 23.54±10.7 mm Hg, and the mean antiglaucoma medication requirement was 3.99±0.65, both significantly reduced to 15.7±6.9 mm Hg ( P =0.009) and 1.26±1.2 ( P <0.001) at 1 year, respectively. Overall, 19 eyes (82.6%) achieved success (complete success: 39.2%, qualified success: 43.4%), while in 4 (17.4%) patients, the procedure failed (IOP >21 mm Hg). 5 patients had transient hyphema, but there were no sight-threatening complications such as hypotony or choroidal detachment.</p><p><strong>Conclusions: </strong>Ab-Interno Bleb Revision (AIBR) is a safe, effective, and minimally invasive intervention for managing failed trabeculectomy blebs. By eliminating the need to reopen the conjunctiva, this technique offers a promising alternative for the treatment of this challenging condition.</p>","PeriodicalId":15938,"journal":{"name":"Journal of Glaucoma","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140849888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characteristics and Treatment Outcomes of Hypotony Maculopathy Postglaucoma Filtering Surgery: An Optical Coherence Tomography-Based Study. 基于光学相干断层扫描的研究:青光眼滤过手术后低眼压性黄斑病变的特征和治疗效果:基于光学相干断层扫描的研究。
IF 2 4区 医学
Journal of Glaucoma Pub Date : 2024-09-01 Epub Date: 2024-05-06 DOI: 10.1097/IJG.0000000000002413
Alicja Strzalkowska, Lisa Braegelmann, Piotr Strzalkowski, Julia V Stingl, Esther M Hoffmann, Norbert Pfeiffer, Alexander K Schuster
{"title":"Characteristics and Treatment Outcomes of Hypotony Maculopathy Postglaucoma Filtering Surgery: An Optical Coherence Tomography-Based Study.","authors":"Alicja Strzalkowska, Lisa Braegelmann, Piotr Strzalkowski, Julia V Stingl, Esther M Hoffmann, Norbert Pfeiffer, Alexander K Schuster","doi":"10.1097/IJG.0000000000002413","DOIUrl":"10.1097/IJG.0000000000002413","url":null,"abstract":"<p><strong>Prcis: </strong>Bleb revision procedures for hypotony maculopathy (HM) following glaucoma filtering surgery show promising outcomes, including notable improvements in visual acuity and IOP.</p><p><strong>Purpose: </strong>This study assesses morphologic characteristics using SD-OCT in patients with HM following glaucoma filtering surgery and evaluates the results of its treatment.</p><p><strong>Materials and methods: </strong>A retrospective analysis of all HM patients between January 2019 and March 2023. Inclusion criteria consisted of both preoperative and postrevision SD-OCT images of the macula and the presence of HM as observed on OCT images preoperatively. HM was graded according to its appearance in OCT both prerevision and postrevision surgery. Changes in visual acuity and IOP were assessed.</p><p><strong>Results: </strong>A total of 45 eyes of 45 patients were included. In all, 21 eyes had HM limited to retinal pigment epithelium (RPE), 18 eyes had involvement of RPE and photoreceptor layers, and 6 eyes had additional intraretinal or subretinal edema. After revision surgery with IOP elevation, 64% of eyes had complete HM regression with no HM signs in OCT imaging. Overall, 80% of patients achieved at least 1 grade improvement in HM. Preoperative visual acuity increased from 0.7±0.4 (logMAR) to 0.4±0.4 at 2 weeks postoperatively, over the course of an increase of IOP from 3.5±1.8 to 17.1±10.6 mm Hg at day 1. Eyes with complete HM regression had higher IOP at day 1 compared with those without improvement ( P =0.04). The median time between HM onset and revision was 10.0 days for those with complete regression and 27 days for those without improvement ( P =0.04).</p><p><strong>Conclusions: </strong>Bleb revision procedures for HM following glaucoma filtering surgery show promising outcomes, including notable improvements in visual acuity and IOP. The timing of revision surgery appears to influence the outcome. In our study, earlier intervention was associated with better results. Even delayed surgeries can lead to an improvement, although complete morphologic restoration may not be achieved in advanced grades of HM.</p>","PeriodicalId":15938,"journal":{"name":"Journal of Glaucoma","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140850504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Proportion of Angle Closure Glaucoma in Tamale, Ghana. 加纳塔马利的闭角型青光眼比例。
IF 2 4区 医学
Journal of Glaucoma Pub Date : 2024-09-01 Epub Date: 2024-04-01 DOI: 10.1097/IJG.0000000000002383
Catherine K Liu, Omair Ali, Ian Murdoch, Judith Simon
{"title":"Proportion of Angle Closure Glaucoma in Tamale, Ghana.","authors":"Catherine K Liu, Omair Ali, Ian Murdoch, Judith Simon","doi":"10.1097/IJG.0000000000002383","DOIUrl":"10.1097/IJG.0000000000002383","url":null,"abstract":"<p><strong>Prcis: </strong>In the largest clinic-based study to date, our review of 588 patients presenting with glaucoma in Northern Ghana revealed 36% of these had primary angle closure glaucoma (PACG).</p><p><strong>Objective: </strong>Glaucoma is the second leading cause of blindness worldwide. In Africa, glaucoma is an established public health problem, and PACG is not commonly discussed. Recognizing it is important because of its negative impact on visual morbidity, and also because its treatment is different from primary open angle glaucoma. In response to the observation of many PACG cases at the Northern Community Eye Hospital in Tamale, Ghana, we investigated the proportion of those attending with a first diagnosis of glaucoma who had PACG.</p><p><strong>Patients and methods: </strong>Using the electronic records, we identified 976 patients who attended with a first diagnosis of glaucoma between January 2021 and October 2022. Of these, 588 met the inclusion criterion of a clear glaucoma subtype diagnosis.</p><p><strong>Results: </strong>Of these 316 (53.7%) had primary open angle glaucoma, 210 (35.7%) PACG, and 62 (10.5%) secondary glaucoma. Thus, over a third of presenting glaucomas had PACG.</p><p><strong>Conclusion: </strong>This study highlights that PACG is present in about a third of patients presenting to our clinic in North Ghana. Our study demonstrates the importance of a clear diagnostic pathway including gonioscopy in the assessment of glaucoma patients and the consideration of wider training on angle closure glaucoma diagnosis and management.</p>","PeriodicalId":15938,"journal":{"name":"Journal of Glaucoma","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140318468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of Different Intraocular Lens Power Calculation Formulas in Eyes With Primary Angle Closure. 原发性角膜闭合患者不同眼内透镜功率计算公式的比较。
IF 2 4区 医学
Journal of Glaucoma Pub Date : 2024-09-01 Epub Date: 2024-05-21 DOI: 10.1097/IJG.0000000000002430
Jinkun Liu, Yuhong Wang, Weiyi Huang, Fei Wang, Yazhang Xu, Yingying Xue, Zhimin Zhao, Luping Huang, Ruxin Gao
{"title":"Comparison of Different Intraocular Lens Power Calculation Formulas in Eyes With Primary Angle Closure.","authors":"Jinkun Liu, Yuhong Wang, Weiyi Huang, Fei Wang, Yazhang Xu, Yingying Xue, Zhimin Zhao, Luping Huang, Ruxin Gao","doi":"10.1097/IJG.0000000000002430","DOIUrl":"10.1097/IJG.0000000000002430","url":null,"abstract":"<p><strong>Study design: </strong>Prospective case series.</p><p><strong>Prcis: </strong>This prospective study determines which formulas can best predict the refractive outcome in patients with primary angle closure disease (PACD) after cataract surgery.</p><p><strong>Objective: </strong>To compare the accuracy of 6 intraocular lens power calculation formulas, Barrett Universal II (BU II), Haigis, Hoffer Q, Holladay I, Kane and SRK/T, in eyes with PACD.</p><p><strong>Patients and methods: </strong>Patients diagnosed with PACD and cataracts and who met the indication for cataract surgery were enrolled in the study. Six intraocular lens power calculation formulas were used to calculate the refractive diopter. The percentage of eyes with prediction error (PE) within ±0.50 D and the median absolute PE were compared to determine the accuracy of different formulas in patients with PACD. Subgroup analysis was performed according to axial length (AL). The accuracy of BU II was compared between patients with PACD and patients with age-related cataracts.</p><p><strong>Results: </strong>One hundred five patients (105 eyes) with PACD and 35 patients (35 eyes) with age-related cataracts were enrolled in the study. Haigis, Kane, and BU II formula achieved a comparable outcome and outperformed over the other 3 formulas in patients with PACD. Subgroup analysis showed that the group with long AL has lower values of median absolute PE. PE was significantly positively correlated with AL and negatively correlated with relative lens position when calculated using BU II and Kane.</p><p><strong>Conclusions: </strong>Haigis, Kane, and BU II formula achieved a comparable outcome and outperformed over the other 3 formulas in patients with PACD.</p>","PeriodicalId":15938,"journal":{"name":"Journal of Glaucoma","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11361347/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141065021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Primary Practice Patterns for the Initial Management of Open Angle Glaucoma. 开角型青光眼初始治疗的初级实践模式。
IF 2 4区 医学
Journal of Glaucoma Pub Date : 2024-09-01 Epub Date: 2024-06-17 DOI: 10.1097/IJG.0000000000002453
Douglas J Rhee, Himani Sancheti, Adam L Rothman, Leon Herndon, Jacob W Brubaker, Thomas Patrianakos, Nathan Radcliffe, Amy D Zhang, Loretta Szczotka-Flynn
{"title":"Primary Practice Patterns for the Initial Management of Open Angle Glaucoma.","authors":"Douglas J Rhee, Himani Sancheti, Adam L Rothman, Leon Herndon, Jacob W Brubaker, Thomas Patrianakos, Nathan Radcliffe, Amy D Zhang, Loretta Szczotka-Flynn","doi":"10.1097/IJG.0000000000002453","DOIUrl":"10.1097/IJG.0000000000002453","url":null,"abstract":"<p><strong>Prcis: </strong>About one-fourth of survey respondents from an ASCRS database initiate treatment for primary open angle glaucoma (POAG) with laser trabeculoplasty. Factors impacting physicians' choice of laser versus topical treatment for POAG were explored.</p><p><strong>Purpose: </strong>To characterize primary treatment preferences (topical medication versus laser trabeculoplasty or intracameral sustained release implants) in primary open angle glaucoma (POAG) patients and determine factors related to primary intervention selection.</p><p><strong>Methods: </strong>A 33-question survey was distributed to an American Society of Cataract and Refractive Surgery database on treatment choices made by ophthalmologists for POAG. Data collected included country of practice, years of practice, completion of glaucoma fellowship training, type of practice, and preference for the first line of treatment for POAG. Multiple logit regression was used to compare the effect of covariates on physicians' choice of either topical medication or laser trabeculoplasty for POAG.</p><p><strong>Results: </strong>A total of 252 of 19,246 (1.3%) surveys were returned. Almost three-quarters of respondents used topical medication as the first line of treatment for POAG (73.6%), whereas 26.4% preferred to start with laser treatment. Significant variables associated with the selection of laser (vs. drops) are practicing in the United States (odds ratio [OR] 2.85; 95% CI, 1.33-6.10), the more recent completion of ophthalmology residency (OR 1.95; 95% CI, 1.00-3.77), the greater volume of minimally invasive glaucoma surgeries (MIGS) (OR 1.68; 95% CI, 1.18-2.40), and a glaucoma patient base greater than 25% (OR 2.21; 95% CI, 1.09-4.48).</p><p><strong>Conclusions: </strong>For the first-line treatment of POAG, laser trabeculoplasty is more likely to be preferred, over topical drops, by U.S. physicians who are relatively new in practice, who have a larger glaucoma patient base, and who perform more MIGS.</p>","PeriodicalId":15938,"journal":{"name":"Journal of Glaucoma","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141317521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of Glaucoma Diagnosis by Telemedicine, In-Person Ophthalmologist, and Optometrist. 远程医疗、眼科医生和验光师对青光眼诊断的比较。
IF 2 4区 医学
Journal of Glaucoma Pub Date : 2024-09-01 Epub Date: 2024-07-08 DOI: 10.1097/IJG.0000000000002456
Poojitha Balakrishnan, Thomas A Swain, Gerald McGwin, Cynthia Owsley, Christopher A Girkin, Lindsay A Rhodes
{"title":"Comparison of Glaucoma Diagnosis by Telemedicine, In-Person Ophthalmologist, and Optometrist.","authors":"Poojitha Balakrishnan, Thomas A Swain, Gerald McGwin, Cynthia Owsley, Christopher A Girkin, Lindsay A Rhodes","doi":"10.1097/IJG.0000000000002456","DOIUrl":"10.1097/IJG.0000000000002456","url":null,"abstract":"<p><strong>Prcis: </strong>Diagnosis of glaucoma through telemedicine demonstrates moderate agreement with in-person ophthalmologist (MD) and in-person optometrist (OD) diagnosis, providing evidence that telemedicine is a timely, accurate screening method in settings where an in-person visit may not be feasible.</p><p><strong>Objective: </strong>To compare diagnostic agreement of glaucoma between in-person MD, in-person OD, and a simulated telemedicine program.</p><p><strong>Patients and methods: </strong>A cross-sectional study of patients with normal optic nerve structural and functional imaging and new patients referred for glaucoma evaluation examined in-person by an MD for glaucoma with a dilated examination and structural and functional optic nerve testing (optical coherence tomography, photos, and visual field); examined in person by an OD with a dilated examination and optic nerve testing; and structural and functional optic nerve testing reviewed separately by 2 ophthalmologists [telemedicine ophthalmologist reviewer 1 (TMD1), telemedicine ophthalmologist reviewer 2 (TMD2)] with masking of prior MD and OD diagnoses. Interrater agreement between each diagnostic method (MD, OD, TMD1, and TMD2) of normal versus disease (open angle glaucoma, normal tension glaucoma, other types of glaucoma, other optic nerve disorders, ocular hypertension, and glaucoma suspect) for each eye was calculated (Cohen unweighted kappa).</p><p><strong>Results: </strong>A total of 100 patients with a median age of 66 years (interquartile range: 59-72), male (40%) and white (62%) were analyzed. There was moderate agreement between MD and telemedicine [TMD1 kappa 0.49 (95% CI: 0.37-0.61), TMD2 kappa 0.44 (95% CI: 0.32-0.56)] and between MD and OD diagnosis [0.41 (95% CI: 0.28-0.54)] and fair-moderate agreement between OD and telemedicine [TMD1: 0.46 (95% CI: 0.34-0.58), TMD2: 0.61 (95% CI: 0.50-0.72)].</p><p><strong>Conclusions: </strong>The simulated telemedicine approach had comparable levels of agreement in glaucoma diagnosis with in-person fellowship-trained ophthalmologists, presenting a crucial complementary role in screening and increasing access to care, particularly in rural or underserved settings.</p>","PeriodicalId":15938,"journal":{"name":"Journal of Glaucoma","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11365792/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141554987","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of Visual Cortex Activity Using Functional Near-Infrared Spectroscopy in Primary Open Angle and Primary Angle Closure Glaucoma: A Pilot Study. 使用功能性近红外光谱(fNIRS)评估原发性开角型和原发性闭角型青光眼的视觉皮层活动:试点研究。
IF 2 4区 医学
Journal of Glaucoma Pub Date : 2024-09-01 Epub Date: 2024-05-16 DOI: 10.1097/IJG.0000000000002427
Hage Angku, Rohit Verma, Karthikeyan Mahalingam, Anand Naik, Dewang Angmo, Shikha Gupta, Ramanjit Sihota, Tanuj Dada
{"title":"Evaluation of Visual Cortex Activity Using Functional Near-Infrared Spectroscopy in Primary Open Angle and Primary Angle Closure Glaucoma: A Pilot Study.","authors":"Hage Angku, Rohit Verma, Karthikeyan Mahalingam, Anand Naik, Dewang Angmo, Shikha Gupta, Ramanjit Sihota, Tanuj Dada","doi":"10.1097/IJG.0000000000002427","DOIUrl":"10.1097/IJG.0000000000002427","url":null,"abstract":"<p><strong>Prcis: </strong>Functional near-infrared spectroscopy (fNIRS) was used to assess visual cortical activity in patients with primary open angle (POAG) and primary angle closure (PACG) glaucomas. There was decreased activity in the visual cortex of glaucoma patients correlating with the severity of glaucoma.</p><p><strong>Objective: </strong>To evaluate visual cortex activity using fNIRS in POAG and PACG compared with healthy controls.</p><p><strong>Methods: </strong>A total of 30 POAGs, 31 PACGs, and 30 healthy aged-matched controls from a single centre were recruited in this cross-sectional observational pilot study with purposive sampling. The POAG and PACG groups were age-matched but were not matched for disease severity at recruitment. All participants underwent fNIRS testing using a multichannel continuous-wave near-infrared system NIRSport 8×7 device (NIRx Medizintechnik GmbH). The visual cortex activity was evaluated in terms of the maximum amplitude of change in oxyhemoglobin (OxyHb) concentration over 10 seconds, and a comparison was done among 3 groups. Both POAG and PACG groups were combined (termed as glaucoma group) to assess the relationship of visual cortical activity with disease severity (by visual field defect (mean deviation) and retinal nerve fibre layer thickness).</p><p><strong>Results: </strong>All participants showed the characteristic response of increased OxyHb and decreased deoxyhemoglobin during stimulus presentation. The maximum amplitude of change in OxyHb concentration over 10 seconds was significantly lower in both POAG and PACG groups compared with control in the right and left middle occipital gyri ( P < 0.05). There was no significant difference between PACG and POAG. Importantly, there was a negative correlation between the visual cortex activity with the visual field defects (mean deviation; P < 0.05) and a positive correlation with retinal nerve fibre layer thickness in the glaucoma group ( P < 0.05).</p><p><strong>Conclusion: </strong>In patients with glaucoma, a reduction in visual cortical activity was observed, which may be indicative of neuronal degeneration occurring in the occipital cortex. Disease severity in glaucoma appears to be closely correlated with visual cortex activity. fNIRS can serve as a useful neuroimaging modality for assessing the hemodynamic and neurodegenerative changes in glaucoma.</p>","PeriodicalId":15938,"journal":{"name":"Journal of Glaucoma","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140922325","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Response to Letter to the Editor: Relative Flow Index as a Novel Optical Coherence Tomography Angiography Biomarker in Primary Open Angle Glaucoma. 回复致编辑的信:将相对血流指数作为原发性开角型青光眼的新型光学相干断层扫描血管造影生物标志物。
IF 2 4区 医学
Journal of Glaucoma Pub Date : 2024-09-01 Epub Date: 2024-06-06 DOI: 10.1097/IJG.0000000000002447
Ahmed Ameen Ismail, Ragai Magdy Hatata, Sherin Hassan Sadek
{"title":"Response to Letter to the Editor: Relative Flow Index as a Novel Optical Coherence Tomography Angiography Biomarker in Primary Open Angle Glaucoma.","authors":"Ahmed Ameen Ismail, Ragai Magdy Hatata, Sherin Hassan Sadek","doi":"10.1097/IJG.0000000000002447","DOIUrl":"10.1097/IJG.0000000000002447","url":null,"abstract":"","PeriodicalId":15938,"journal":{"name":"Journal of Glaucoma","volume":null,"pages":null},"PeriodicalIF":2.0,"publicationDate":"2024-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141248321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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