Canadian journal of ophthalmology. Journal canadien d'ophtalmologie最新文献

{"title":"Physician reimbursement for strabismus surgery across provinces and territories in Canada.","authors":"Kaylin O'Hara, Nicole Costanzo, Vishaal Bhambhwani","doi":"10.1016/j.jcjo.2025.02.005","DOIUrl":"10.1016/j.jcjo.2025.02.005","url":null,"abstract":"<p><strong>Objective: </strong>Inadequate financial reimbursements in pediatric ophthalmology and strabismus (POS) are held responsible for the declining interest of ophthalmology graduates, leading to serious workforce concerns. The purpose of this study is to review physician reimbursements for strabismus surgery across provinces and territories in Canada.</p><p><strong>Methods: </strong>The manuals for physician remuneration for provinces/territories in Canada were reviewed in 2023 and 2024; strabismus surgery and routine cataract surgery billing codes with their respective compensation were extracted. The data were analyzed using appropriate statistical tests.</p><p><strong>Results: </strong>Physician reimbursement for 1-muscle strabismus surgery varied from $369 (Ontario and Newfoundland and Labrador) to $835 (Yukon) before April 2023 and from $369 (Newfoundland and Labrador) to $891 (Yukon) after April 2023. For 5-muscle surgery, the values were $502 (Prince Edward Island) to $1723 (Manitoba) before, and $512 (Prince Edward Island) to $2626 (Ontario) after April 2023 [ANOVA test statistically significant, p < 0.0001 for both]. Two out of 12 (17%) provinces/territories do not pay for adjustable sutures, 4/12 (33%) for reoperations, 7/12 (58%) for more complex strabismus procedures, at present. Before April 2023, mean reimbursement for 1-muscle strabismus surgery was $529 ± 149.7, and for cataract surgery, it was $489 ± 168.7; p = 0.5453. After April 2023, the values were $551 ± 151.4 and $496.4 ± 176.7, respectively; p = 0.4251. Four out of 12 (33%) and 3/12 (25%) provinces/territories paid more for cataract compared to 1-muscle strabismus surgery before and after April 2023, respectively.</p><p><strong>Conclusions: </strong>There is high variability in payments for the same strabismus procedures across provinces/territories in Canada. Physician reimbursement issues may lead to POS workforce concerns and limit access to care.</p>","PeriodicalId":9606,"journal":{"name":"Canadian journal of ophthalmology. Journal canadien d'ophtalmologie","volume":" ","pages":""},"PeriodicalIF":3.3,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143584737","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}

{"title":"F. Y. EYE","authors":"","doi":"10.1016/j.jcjo.2025.02.006","DOIUrl":"10.1016/j.jcjo.2025.02.006","url":null,"abstract":"","PeriodicalId":9606,"journal":{"name":"Canadian journal of ophthalmology. Journal canadien d'ophtalmologie","volume":"60 2","pages":"Page 128"},"PeriodicalIF":3.3,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143636949","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}

{"title":"Resident Perspectives 60–2","authors":"","doi":"10.1016/j.jcjo.2025.02.007","DOIUrl":"10.1016/j.jcjo.2025.02.007","url":null,"abstract":"","PeriodicalId":9606,"journal":{"name":"Canadian journal of ophthalmology. Journal canadien d'ophtalmologie","volume":"60 2","pages":"Pages e303-e306"},"PeriodicalIF":3.3,"publicationDate":"2025-03-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143637800","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}

{"title":"Sensitivity of ophthalmologists, residents, and optometrists in identifying peripheral retinal tears on ultra-widefield imaging.","authors":"Jesse J Jung, Xavier Chan, Kai Xiong Cheong, Yee Shan Dan, John Y Cheng, Eric W Lai, Huanye Li, Quan V Hoang","doi":"10.1016/j.jcjo.2025.02.002","DOIUrl":"10.1016/j.jcjo.2025.02.002","url":null,"abstract":"<p><strong>Objective: </strong>To compare the sensitivity of 3 groups of masked graders with varying levels of ophthalmic training to identify peripheral retinal breaks utilizing ultra-widefield orthogonal, directed peripheral steering, and auto-montaged images.</p><p><strong>Design: </strong>Retrospective observational cohort study.</p><p><strong>Participants: </strong>155 patients from a single vitreoretinal specialist's practice.</p><p><strong>Methods: </strong>221 eyes with pretreatment orthogonal, directed-peripheral steering, and auto-montage that underwent laser retinopexy for retinal tears between 2015 and 2021 were divided into 2 groups: treatment-naïve and control. Combined sensitivity and specificity of identifying all retinal breaks on orthogonal, directed-peripheral steering, and auto-montaged imaging were calculated compared with the gold standard of mydriatic, scleral depression examination. Linear probability modeling was performed to calculate the required surface area from auto-montage images to identify breaks that were missed initially on orthogonal images.</p><p><strong>Results: </strong>For orthogonal images, combined sensitivity was highest for ophthalmologists (67.53%), residents (62.34%), and then optometrists (55.84%). The sensitivity increased for orthogonal/steering (ophthalmologists [85.71%], residents [77.92%], and optometrists [67.53%]) and auto-montage (ophthalmologists [85.51%], residents (80.28%), and optometrists [75.00%]). To ensure identification of all tears with auto-montage that was initially missed on grading the orthogonal image, for every 10% increase in montage surface area, there was a 4.8 percentage point (%p) increase in the likelihood of detecting a retinal tear on montage image grading (p = 0.023).</p><p><strong>Conclusions: </strong>Masked graders had moderate sensitivity in identifying retinal breaks with ultra-widefield images. Even with directed-peripheral steering and auto-montage, optometrists had the lowest sensitivity compared to ophthalmology residents and general ophthalmologists and required increased surface area to identify all retinal breaks.</p>","PeriodicalId":9606,"journal":{"name":"Canadian journal of ophthalmology. Journal canadien d'ophtalmologie","volume":" ","pages":""},"PeriodicalIF":3.3,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143490887","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}

{"title":"Visual outcomes of an extended depth of focus intraocular lens in patients with high ocular axial length.","authors":"James Wiens, Brad Hall","doi":"10.1016/j.jcjo.2025.01.019","DOIUrl":"10.1016/j.jcjo.2025.01.019","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate the visual outcomes and quality of vision in patients receiving a nondiffractive extended depth of focus (EDOF) intraocular lens (IOL), when implanted in eyes with high ocular axial length (≥24.5 mm).</p><p><strong>Methods: </strong>This was a prospective, single-arm, single-surgeon study. Subjects were bilaterally implanted with the Vivity EDOF IOL (toric and nontoric). At 3 months postoperatively, assessments included binocular and monocular visual acuities at distance (6 m), intermediate (66 cm), and near (40 cm), manifest refraction, and administration of a visual disturbance questionnaire (QUVID) and a satisfaction questionnaire (IOLSAT).</p><p><strong>Results: </strong>At 3 months postoperatively, 100% (20/20), 100% (20/20), and 65% (13/20) of subjects had binocular visual acuity 20/32 or better at distance, intermediate, and near, respectively. Similar visual acuities were obtained with distance correction. At 3 months postoperatively, 93% of eyes (37/40) had manifest refraction spherical equivalent 0.5 D or less. Patient reported spectacle independence was 95% (19/20), 90% (18/20), and 40% (8/20) at distance, intermediate, and near, respectively. Patient-reported satisfaction with their corrected vision was 95% (19/20). In addition, 70% (14/20), 65% (13/20), and 70% (14/20) of subjects reported never or rarely experiencing starburst, halo, and glare, respectively.</p><p><strong>Conclusions: </strong>The results of this study suggest that the Vivity nontoric and toric IOLs can provide excellent distance and intermediate vision and functional near vision in eyes with high ocular axial length. Good spectacle independence can also be achieved at distance and intermediate, with high reported patient satisfaction and low reported visual disturbances.</p>","PeriodicalId":9606,"journal":{"name":"Canadian journal of ophthalmology. Journal canadien d'ophtalmologie","volume":" ","pages":""},"PeriodicalIF":3.3,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143439945","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}

{"title":"Visual outcomes, quality of vision, and patient satisfaction of a trifocal intraocular lens.","authors":"Marius A Scheepers, Nina M Pasin, Brad Hall","doi":"10.1016/j.jcjo.2025.01.018","DOIUrl":"10.1016/j.jcjo.2025.01.018","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate visual outcomes, patient satisfaction, and quality of vision after bilateral Clareon PanOptix implantation.</p><p><strong>Methods: </strong>This was a prospective, observational, single-arm, single-surgeon, single-site study of the clinical outcomes following implantation of the Clareon PanOptix (toric and nontoric). A total of 28 subjects (56 eyes) completed the study. At 3 months postoperatively, assessments included binocular uncorrected and distance-corrected visual acuity at distance (UDVA, CDVA), intermediate (UIVA, DCIVA; 60 cm), and near (UNVA, DCNVA; 40 cm), refraction, and patient-reported outcomes on a satisfaction questionnaire (IOLSAT) and a visual disturbance questionnaire (QUVID).</p><p><strong>Results: </strong>Mean postoperative binocular CDVA, DCIVA, and DCNVA were -0.02 ± 0.09, 0.03 ± 0.11, 0.04 ± 0.07 logMAR, respectively. In addition, mean binocular UDVA, UIVA, and UNVA were 0.00 ± 0.09, 0.06 ± 0.11, 0.03 ± 0.06 logMAR, respectively. Mean postoperative manifest refraction spherical equivalent (MRSE) was 0.01 ± 0.23 D and 96% of eyes had MRSE of 0.5 D or less. The percentage of subjects reporting spectacle independence at distance, intermediate, and near was 100%, 100%, and 89%, respectively. Moreover, 89% of subjects rated their satisfaction as \"Satisfied\" or \"Very Satisfied.\" Additionally, 0%, 8%, and 7% of subjects were \"bothered quite a bit\" or \"bothered very much\" by starbursts, halos, and glare, respectively.</p><p><strong>Conclusions: </strong>Patients in this study who were implanted with the Clareon PanOptix intraocular lens had excellent refractive and visual outcomes and reported good spectacle independence at distance, intermediate, and near, high overall satisfaction, and low visual disturbances.</p>","PeriodicalId":9606,"journal":{"name":"Canadian journal of ophthalmology. Journal canadien d'ophtalmologie","volume":" ","pages":""},"PeriodicalIF":3.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143439874","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}

{"title":"First reported autosomal recessive macular and cone dystrophy linked to homozygous PRPH2 variant in two Calabrian families.","authors":"Yi Zhai, Brian G Ballios","doi":"10.1016/j.jcjo.2025.02.003","DOIUrl":"10.1016/j.jcjo.2025.02.003","url":null,"abstract":"","PeriodicalId":9606,"journal":{"name":"Canadian journal of ophthalmology. Journal canadien d'ophtalmologie","volume":" ","pages":""},"PeriodicalIF":3.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143466940","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}

{"title":"Optic nerve sheath fenestration for young patients with papilledema secondary to cerebral sinovenous thrombosis: a case series.","authors":"Lauren C Ditta, Asim F Choudhri, Andrew J Gienapp, Paul Klimo","doi":"10.1016/j.jcjo.2025.02.004","DOIUrl":"10.1016/j.jcjo.2025.02.004","url":null,"abstract":"","PeriodicalId":9606,"journal":{"name":"Canadian journal of ophthalmology. Journal canadien d'ophtalmologie","volume":" ","pages":""},"PeriodicalIF":3.3,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143499233","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}

{"title":"Accuracy of 7 artificial intelligence-based intraocular lens power calculation formulas in medium-long eyes: 2-center study.","authors":"Wiktor Stopyra, Oleksiy Voytsekhivskyy, Andrzej Grzybowski","doi":"10.1016/j.jcjo.2025.01.020","DOIUrl":"10.1016/j.jcjo.2025.01.020","url":null,"abstract":"<p><strong>Objective: </strong>To compare accuracy of 7 artificial intelligence (AI)-based intraocular lens (IOL) power calculation formulas in medium-long eyes DESIGN: Retrospective observational study.</p><p><strong>Methods: </strong>The data of patients with eyes with an axial length of 24.5 mm to 25.99 mm, who underwent phacoemulsification between May 2018 and September 2023 were analyzed. Inclusion criteria were complete biometric and refractive data. Exclusion criteria were intraoperative or postoperative complications, previous eye surgery, or corneal diseases, postoperative best-corrected visual acuity less than 0.8 and corneal astigmatism greater than 2.0 D. Prior to cataract surgery, IOL power was calculated using a Zeiss IOLMaster 700 (Carl Zeiss Meditec AG, Jena, Germany). The power of the implanted IOL was randomly selected from the outcomes of one of the following formulas, i.e., SRK/T, Holladay 2, or Barrett Universal II. Three months after phacoemulsification, refraction was measured. Postsurgery, IOL power calculations were performed using the following formulas: Hill-RBF 3.0, Kane, PEARL-DGS, Ladas Super Formula AI (LSF AI), Hoffer QST, Karmona, and Nallasamy. The main outcome measures used were SD, since prediction error (PE) was zeroed, and the percentage of eyes with PE was within ±0.50 D.</p><p><strong>Results: </strong>One hundred eighty-four eyes with axial lengths of between 24.50 mm and 25.97 mm, were studied. The Karmona formula obtained the lowest SD (0.322) just before Hill-RBF 3.0 (0.324) and Pearl-DGS (0.334), however, without statistical significance (p > 0.05). The highest percentage of eyes with PE within ±0.50 D was achieved by Karmona (89.67%) ahead of Hill-RBF 3.0, LSF AI and Pearl-DGS (all equally 87.50 each) without statistical significance (p > 0.490).</p><p><strong>Conclusions: </strong>All studied AI-based formulas provided highly accurate outcomes in medium-long eyes.</p>","PeriodicalId":9606,"journal":{"name":"Canadian journal of ophthalmology. Journal canadien d'ophtalmologie","volume":" ","pages":""},"PeriodicalIF":3.3,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143447644","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}

{"title":"G-ROP versus WINROP for retinopathy of prematurity screening: a Calgary perspective.","authors":"Rahul Moorjani, Emi Sanders, Kyla Lavery, Ayman Abou Mehrem, Ravina Anand, Stephanie A Dotchin","doi":"10.1016/j.jcjo.2025.02.001","DOIUrl":"10.1016/j.jcjo.2025.02.001","url":null,"abstract":"<p><strong>Objective: </strong>Retinopathy of prematurity (ROP) remains one of the leading causes of childhood blindness. The current screening criteria in Canada have extremely high sensitivity but low specificity, leading to unnecessary examinations of neonates. Moreover, a screening algorithm that reduces the burden of screening is urgently needed owing to the increase in neonatal survival after extreme premature delivery, combined with the limited number of physicians qualified to screen for ROP. This retrospective study aimed to validate and compare the accuracy of the postnatal growth and ROP (G-ROP) and Weight, Insulin-like growth factor-1, Neonatal Retinopathy of Prematurity (WINROP) models for identifying neonates at risk for developing treatment-requiring ROP in a Canadian cohort.</p><p><strong>Design: </strong>Single-center retrospective cohort study conducted in Calgary, Alberta, Canada. Data from preterm infants born between 23- and 31-week gestational age or birth weight less than or equal to 1 250 grams were analyzed. A total of 1 001 infants were included in the study. The sensitivity, specificity, positive predictive value (PPV), and negative predictive value for WINROP, and G-ROP algorithms were assessed in identifying neonates at risk of treatment-requiring ROP.</p><p><strong>Results: </strong>The WINROP algorithm yielded 95.7% sensitivity in identifying infants requiring ROP treatment compared to 100% sensitivity with the G-ROP model. Specificity for treatment-requiring ROP for WINROP was 41.7% and G-ROP was 30.4%.</p><p><strong>Conclusions: </strong>The G-ROP model was found to be more appropriate in our cohort, lending itself seamlessly to clinical care, while providing 100% sensitivity and greater specificity compared to current screening guidelines in our cohort.</p>","PeriodicalId":9606,"journal":{"name":"Canadian journal of ophthalmology. Journal canadien d'ophtalmologie","volume":" ","pages":""},"PeriodicalIF":3.3,"publicationDate":"2025-02-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143466946","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}