Indian Journal of Ophthalmology最新文献

{"title":"Comparison of tolerance to induced astigmatism in pseudophakic eyes implanted with dual-technology diffractive IOL and enhanced monofocal IOL.","authors":"Paulo Tadeu Silva Campos, Wilson Takashi Hida, Bernardo Kaplan Moscovici, Larissa Gouvea, Maurício Agne Newald, Jonathan Clive Lake, Cesar Martins Cortez Vilar, André Lins De Medeiros, Patrick Frensel De Moraes Tzelikis, Antonio Francisco Pimenta Motta, Marcelo Novoa Colombo-Barboza, Pedro Carlos Carricondo","doi":"10.4103/IJO.IJO_2224_24","DOIUrl":"10.4103/IJO.IJO_2224_24","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the effect of induced astigmatism and defocus on visual performance in patients with a dominant eye implanted with a dual-technology diffractive intraocular lens (IOL) or an enhanced monofocal IOL.</p><p><strong>Methods: </strong>This non-randomized cohort study included 35 patients in each group. Group 1 underwent phacoemulsification and received the Tecnis Synergy IOL in the dominant eye. Group 2 received the Tecnis Eyhance IOL. All surgeries were performed using a 2.2 mm clear corneal incision. Patients were evaluated 16 weeks postoperatively. Astigmatic tolerance was assessed by measuring monocular distance visual acuity (DVA) using negative cylindrical (CYL) lenses of varying powers and axes on a defocus curve.</p><p><strong>Results: </strong>There were no significant differences in overall induced astigmatism between groups. However, Group 1 showed significantly better DVA with against-the-rule (ATR) astigmatism (90°) than with-the-rule (WTR, 180°) using 1.50 D CYL (P < 0.05). Additionally, Group 1 outperformed Group 2 at 1.00 D and 1.50 D ATR under -1.00 D defocus (P < 0.05). These findings were both statistically and clinically relevant, indicating that residual ATR astigmatism may be better tolerated by patients with a dual-technology diffractive IOL, resulting in improved performance for near and intermediate tasks.</p><p><strong>Conclusion: </strong>The Tecnis Synergy IOL demonstrated superior tolerance to ATR astigmatism compared to the Tecnis Eyhance IOL, especially at higher cylindrical powers under -1.00 D defocus. These results highlight the relevance of astigmatic tolerance in IOL selection for spectacle independence, particularly in patients with ATR astigmatism. Findings are specific to these IOLs and should not be generalized to other premium lenses.</p>","PeriodicalId":13329,"journal":{"name":"Indian Journal of Ophthalmology","volume":"73 9","pages":"1302-1306"},"PeriodicalIF":1.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12448531/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144952543","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}

{"title":"Comparison of retinal microvasculature in anisometropic amblyopic and healthy eyes using optical coherence tomography angiography.","authors":"Tisha Thomas Menacherry, V Rajesh Prabu, Jagadeesh Kumar Reddy, Suruthi Nagarajan, Mithun Thulasidas","doi":"10.4103/IJO.IJO_1047_25","DOIUrl":"10.4103/IJO.IJO_1047_25","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the optical coherence tomography angiography (OCTA) findings of retinal microvasculature in anisometropic amblyopic eyes with fellow eyes.</p><p><strong>Methods: </strong>A comparative observational study was conducted in children with unilateral anisometropic amblyopia to compare the OCTA findings of retinal microvasculature between amblyopic and normal fellow eyes. Major outcome measures included superficial vessel density, deep vessel density, and foveal avascular zone (FAZ) parameters (area, perimetry, acircularity index) of amblyopic eye and fellow eye on OCTA.</p><p><strong>Results: </strong>The study involved 40 children with a mean age of 10.25 ± 3.07 years. Amblyopic eyes showed significantly reduced vessel density in the superficial and deep plexuses compared to fellow eyes (P < 0.05). Reductions were more pronounced in severe amblyopia, with significant foveal differences in superficial (P = 0.04) and deep layers (P = 0.02). A significant negative correlation was observed between best corrected visual acuity and vessel density.</p><p><strong>Conclusion: </strong>This study found reduced retinal vessel density in anisometropic amblyopic eyes, particularly in the superficial and deep capillary plexuses. Vessel density correlates with the severity of amblyopia, suggesting its potential as a biomarker for disease progression and severity.</p>","PeriodicalId":13329,"journal":{"name":"Indian Journal of Ophthalmology","volume":"73 9","pages":"1376-1382"},"PeriodicalIF":1.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12448494/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144952561","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}

{"title":"Post-traumatic canalicular fistula following dacryocystorhinostomy surgery.","authors":"Prerna Sinha, Sourabh D Patwardhan, Ajit K Poddar, Ayushi Agarwal","doi":"10.4103/IJO.IJO_1188_25","DOIUrl":"10.4103/IJO.IJO_1188_25","url":null,"abstract":"","PeriodicalId":13329,"journal":{"name":"Indian Journal of Ophthalmology","volume":"73 9","pages":"1394-1395"},"PeriodicalIF":1.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12448500/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144952530","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}

{"title":"The nexus between pupillary constriction characteristics and accommodative facility: A quantitative and correlational study.","authors":"Pritam Dutta, Zerin M Mollah, Mrinmoy Goswami, Niki Kalita, Anjuma A Begum","doi":"10.4103/IJO.IJO_2583_24","DOIUrl":"10.4103/IJO.IJO_2583_24","url":null,"abstract":"<p><strong>Purpose: </strong>To analyze the interplay between pupillary constriction dynamics and variations in accommodative facility.</p><p><strong>Methods: </strong>This study included 400 eyes from 200 subjects, divided into high and low-accommodative facility groups based on performance measured in cycles per minute (CPM) using accommodative flippers (±2.00D). Pupillary constriction dynamics were assessed using an iPhone-based pupillometer application, focusing on constriction speed and amplitude.</p><p><strong>Results: </strong>The high accommodative facility group (mean ± SD: 14.2 ± 1.1 CPM) significantly outperformed the low facility group (mean ± SD: 9.4 ± 1.2 CPM, P < 0.001). Pupillary constriction speed was faster in the high facility group (mean ± SD: 3.8 ± 0.5 mm/s) compared to the low facility group (mean ± SD: 3.2 ± 0.6 mm/s, P = 0.002). Amplitude of constriction was greater in the high facility group (mean ± SD: 2.3 ± 0.3 mm) versus the low facility group (mean ± SD: 1.9 ± 0.4 mm, P = 0.005). Significant positive correlations were found between constriction speed and accommodative facility ( r = 0.58, P = 0.001) and between constriction amplitude and accommodative facility ( r = 0.52, P = 0.003). Multiple regression analysis indicated that constriction speed and amplitude collectively predicted accommodative facility, with an R² of 0.47 ( P < 0.001), explaining 47% of the variance.</p><p><strong>Conclusion: </strong>Increased pupillary constriction speed and amplitude are significantly associated with higher accommodative facility. These findings highlight the role of pupillary dynamics as predictors of accommodative performance and provide insights into the mechanisms underlying accommodative dysfunction.</p>","PeriodicalId":13329,"journal":{"name":"Indian Journal of Ophthalmology","volume":" ","pages":"1324-1329"},"PeriodicalIF":1.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12448503/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144659116","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}

{"title":"Central serous chorioretinopathy imaging biomarkers as potential indicators of response to subthreshold nanosecond laser.","authors":"Vesna Bosic, Doris Fraenkel, Hajra Mudassar, Hakan Kaymak, Berthold Seitz, Alaa Din Abdin","doi":"10.4103/IJO.IJO_450_25","DOIUrl":"10.4103/IJO.IJO_450_25","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of the study was to evaluate optical coherence tomography (OCT) and indocyanine green angiography (ICGA) biomarkers in patients with chronic central serous chorioretinopathy (cCSC) as potential indicators of response to treatment with subthreshold nanosecond laser (NSL).</p><p><strong>Methods: </strong>In this retrospective study, we examined 36 eyes of 32 cCSC patients after NSL. High response (HR) was defined as complete resolution of subretinal fluid (SRF) 3 months after first NSL treatment, full response (FR) as complete resolution of SRF, 3 months after the last NSL, with all NSL sessions occurring within 1 year from the first NSL. Biomarkers included central macular thickness (CMT), subfoveal choroidal thickness (SFCT), and intervortex venous anastomosis (IVA).</p><p><strong>Results: </strong>Patients were 54 ± 12 years old on average; 86% were male. OCT at baseline showed a mean CMT of 364 ± 130 µm and SFCT of 292 ± 45 µm; 64% showed IVA in ICGA. HR was seen in 50% and FR in 78%. Higher IVA rates (83% vs. 44%, P = 0.03) predicted poor response after the first NSL. Patients with IVA presence at baseline showed a statistically significant higher likelihood of requiring more than one NSL session compared to those without IVA presence (57% vs. 15%, P = 0.02).</p><p><strong>Conclusion: </strong>OCT and ICGA biomarkers may play a role as indicators of anatomical responses to NSL. Patients with IVA at baseline showed a poor first response and may need repetitive laser treatments.</p>","PeriodicalId":13329,"journal":{"name":"Indian Journal of Ophthalmology","volume":"73 9","pages":"1344-1349"},"PeriodicalIF":1.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12448489/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144952485","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}

{"title":"Topography-guided subconjunctival oblique limbus incisions (SCOLI) in manual cataract surgery for astigmatism correction.","authors":"Jun Yang, Yang Xu, Dan Gao, Shaofen Yang, Xiaochun Yang, Mingzhi Liu, Bai Li, Yanyan Zhang, Pinghong Lai, Xin Fan","doi":"10.4103/IJO.IJO_2532_24","DOIUrl":"10.4103/IJO.IJO_2532_24","url":null,"abstract":"<p><strong>Purpose: </strong>To assess the safety and efficacy of two SCOLI designs (Yang's I/II) for astigmatism correction in manual cataract surgery and define incision size-astigmatism relationships.</p><p><strong>Methods: </strong>A total of 72 eyes from 64 cataract patients who accept manual cataract extraction surgery via a SCOLI technique. The two different types of incision: Yang's I and II incisions were applied in this study. The patients were divided into four groups based on corneal topography: Group 1 (0.25-1.5D), Group 2 (1.5-2.5D), Group 3 (2.5-3.5D), and Group 4 (>3.5D). In both groups, the incisions of different lengths were made on the steepest axis. 1 day, 1 week, 1 month, and 3 months after surgery, the postoperative corneal topography was examined, and the surgically induced astigmatism (SIA) was computed by an open-source software SIA calculator.</p><p><strong>Result: </strong>Seventy-two eyes of 64 cataract patients were analyzed in this study. The difference in average K preoperative (44.29 ± 1.68) and 3 months postoperative (44.32 ± 1.71) was not statistically significant ( P = 0.529). The mean SIA at 3 months was 0.67 ± 0.16 D (Group 1), 1.54 ± 0.42D (Group 2), 2.04 ± 0.35D (Group 3), and 3.74 ± 1.83 D (Group 4). Statistically significant SIA changes were found among different groups (all P < 0.05). The SIA at 1 day was statistically significant compared to the SIA at 3 months ( P = 0.013). The DAP plots showed displacement of the centroid from the periphery toward the center in all groups.</p><p><strong>Conclusion: </strong>SCOLI merges refractive precision with manual cataract extraction, offering a suture-free, adaptable solution for astigmatism correction (0.25-4.5 D). Its cost-effectiveness and safety profile make it particularly viable for resource-limited settings.</p>","PeriodicalId":13329,"journal":{"name":"Indian Journal of Ophthalmology","volume":" ","pages":"1297-1301"},"PeriodicalIF":1.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12448497/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144659117","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}

{"title":"Comparison of superior and temporal inverted internal limiting membrane techniques in macular hole surgery: Surgical outcomes and the role of postoperative positioning.","authors":"Emre Avcı, Ece Özal, Serhat Ermiş, Murat Karapapak, Sadık A Özal","doi":"10.4103/IJO.IJO_741_25","DOIUrl":"10.4103/IJO.IJO_741_25","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the anatomical and functional outcomes of macular hole (MH) cases treated with superior and temporal inverted internal limiting membrane (ILM) flap surgery under general anesthesia and to assess the impact of postoperative positioning on surgical success.</p><p><strong>Methods: </strong>This retrospective study included 25 patients with superior and 19 with temporal inverted ILM flap surgery. BCVA was evaluated preoperatively and at 1, 3, and 6 months, with MH parameters and closure patterns (U, V, and W) assessed at 6 months. Postoperatively, superior flap patients were positioned upright for 5 days, while temporal flap patients were positioned prone.</p><p><strong>Results: </strong>Among 44 patients, one in the superior group and two in the temporal group required a second surgery, with a primary success rate of 93%. MH diameters were similar between groups ( P > 0.05), but the superior group had a smaller postoperative ELM defect ( P < 0.05). Visual acuity was similar preoperatively and up to 3 months ( P > 0.05), but the superior group showed better outcomes at 6 months ( P < 0.05).</p><p><strong>Conclusion: </strong>Results of our study indicate that the superior inverted ILM flap under general anesthesia is non-inferior to the temporal flap, with better patient compliance in the sitting position postoperatively.</p>","PeriodicalId":13329,"journal":{"name":"Indian Journal of Ophthalmology","volume":" ","pages":"1338-1343"},"PeriodicalIF":1.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12448499/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144659111","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}

{"title":"Impact of unilateral Mueller's muscle conjunctival resection on contralateral upper eyelid position in patients without preoperative Hering's effect.","authors":"Zvi Gur, Minwook Chang, Catherine Y Liu, Bobby S Korn, Don O Kikkawa","doi":"10.4103/IJO.IJO_2391_24","DOIUrl":"10.4103/IJO.IJO_2391_24","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the effect of unilateral Mueller's muscle conjunctival resection (MMCR) on the contralateral upper eyelid position in patients without preoperative Hering's effect.</p><p><strong>Methods: </strong>This retrospective study analyzed 33 patients who underwent unilateral MMCR for mild to moderate ptosis at Shiley Eye Institute, University of California, San Diego. Patients with additional procedures or preoperative Hering's effect were excluded. Margin Reflex Distance (MRD1) was measured using Image J software from standardized digital images. Five masked researchers independently measured MRD1, with the average of the middle three values used for analysis.</p><p><strong>Results: </strong>The mean preoperative and postoperative MRD1 of the operated eye were 1.20 mm (SD 0.92) and 3.35 mm (SD 0.83), respectively. For the nonoperated eye, preoperative MRD1 was 3.15 mm (SD 0.85) and postoperative MRD1 was 3.28 mm (SD 0.8). There was a statistically significant improvement in the operated eyelid MRD1 ( P < 0.001) but no statistically significant change in the nonoperated eyelid position ( P = 0.704). One patient (3%) experienced an MRD1 drop >1 mm in the fellow eye. Thirty-two patients (97%) had ≤1 mm difference between operated and nonoperated eyelids postoperatively. Interestingly, 18 patients (54.5%) showed a paradoxical increase in contralateral MRD1 (mean 0.66 mm, range 0.02-2.39 mm). All patients achieved acceptable symmetry without requiring additional procedures.</p><p><strong>Conclusion: </strong>MMCR effectively corrects mild to moderate unilateral upper eyelid ptosis with minimal impact on the contralateral eyelid in patients without preoperative Hering's effect. While the procedure resulted in no significant changes to the contralateral eyelid in 97% of cases, the unexpected finding of paradoxical contralateral lid elevation in over half the patients warrants further investigation.</p>","PeriodicalId":13329,"journal":{"name":"Indian Journal of Ophthalmology","volume":" ","pages":"1258-1262"},"PeriodicalIF":1.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12448529/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144659112","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}

{"title":"Primary angle-closure eyes with ocular hypertension show preperimetric ganglion cell complex abnormalities.","authors":"Shah Zalak, Sihota Ramanjit, Sen Ray Swarnali, Choudhary Samiksha, Dhillon Jasleen","doi":"10.4103/IJO.IJO_681_25","DOIUrl":"10.4103/IJO.IJO_681_25","url":null,"abstract":"<p><strong>Purpose: </strong>The present study aimed to investigate ganglion cell complex (GCC) and peripapillary retinal nerve fiber layer (pRNFL) parameters in subjects with primary angle closure (PAC) without raised intraocular pressure (IOP), PAC eyes with raised IOP, and those with early primary angle-closure glaucoma (PACG), to ascertain parameters that could identify any early glaucomatous damage.</p><p><strong>Methods: </strong>This was an observational, cross-sectional study of 75 patients with PAC, PAC with ocular hypertension (OHT), and early PACG. GCC analysis was performed by spectral domain-optical coherence tomography (SD-OCT) using RTVue-100 software, and parameters were compared between these groups.</p><p><strong>Results: </strong>In eyes with PAC, PAC with OHT and early PACG, the average GCC thickness was 92.49 ± 7.52, 87.69 ± 5.24, and 79.64 ± 8.45 µm; inferior GCC thickness was 92.8 ± 7.84, 88.15 ± 6.13, and 79.59 ± 8.96 µm; and superior GCC thickness was 92.08 ± 7.55, 87.23 ± 5.19, and 79.67 ± 8.82 µm, respectively. There was a significant difference in all parameters between PAC vs PAC OHT eyes (P = 0.001), as also between PAC OHT vs early PACG eyes (P < 0.001). The percentage GCC loss in eyes from PAC to PAC with OHT and from PAC with OHT to early PACG in average GCC was 7.5 ± 3.95% (P = 0.001) and 9.31 ± 8.54% (P < 0.001). pRNFL showed a significant difference in all the parameters between PAC OHT vs early PACG (P < 0.001); however, only the superior pRNFL was significantly different between PAC vs PAC OHT (P = 0.01).</p><p><strong>Conclusion: </strong>PAC with OHT showed significant, preperimetric GCC changes that could identify early progression from PAC to PACG and prompt appropriate therapy to prevent morbidity.</p>","PeriodicalId":13329,"journal":{"name":"Indian Journal of Ophthalmology","volume":"73 9","pages":"1289-1292"},"PeriodicalIF":1.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12448524/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144952515","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}

{"title":"Agreement between rebound (iCare IC200), Goldmann applanation tonometer, and noncontact (air puff) tonometer in the immediate postoperative period following vitrectomy.","authors":"Sindhushree Rajagopal, Sanjana B Singh, J N Abhijith, Rooshitha B Singh, S M Bejan Singh","doi":"10.4103/IJO.IJO_180_25","DOIUrl":"10.4103/IJO.IJO_180_25","url":null,"abstract":"<p><strong>Purpose: </strong>To compare intraocular pressure (IOP) measurements using the Goldmann applanation tonometer (GAT), iCare (IC 200) rebound tonometer, and noncontact tonometer (NCT) in patients undergoing vitreoretinal surgery in the immediate postoperative period.</p><p><strong>Methods: </strong>This cross-sectional comparative study included 75 eyes of 75 patients. IOP measurements were obtained in the sitting position using NCT, iCare, and GAT during the first postoperative day. iCare measurements were also obtained in the supine position.</p><p><strong>Results: </strong>The average IOP by GAT, NCT, and iCare was 15.6 ± 7.3 mmHg, 16.5 ± 7.2 mmHg, and 15.4 ± 7.8 mmHg, respectively. The intraclass correlation (ICC) for the three tonometers was excellent (>0.9, p < 0.001), except for very high IOPs and very low IOPs, where the agreement was only good to moderate, especially with NCT-GAT (ICC 0.55-0.75) when compared to iCare-GAT (ICC 0.77-0.98). Bland-Altman plot showed GAT-iCare had a better agreement (LoA - 2.40-3.32) than GAT-NCT (LoA - 5.92-4.06). Overall, differences in IOP were within ± 3 mmHg in 88% of eyes for GAT-NCT and 92% for GAT-iCare. The study found a significant difference in IOP values in the supine position (mean IOP = 17.2 ± 9.3) compared to the sitting position (mean IOP = 15.4 ± 7.8) (p < 0.001). Still, no significant difference was observed across different tamponade groups (p = 0.109).</p><p><strong>Conclusion: </strong>The iCare (IC 200) shows good agreement with GAT as well as NCT in postvitrectomized eyes.</p>","PeriodicalId":13329,"journal":{"name":"Indian Journal of Ophthalmology","volume":"73 9","pages":"1269-1275"},"PeriodicalIF":1.8,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12448495/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144952504","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}