Clinical ophthalmology (Auckland, N.Z.)最新文献

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Evaluation of Sum of Segments Biometry in Modern Intraocular Lens Power Calculation Formulas for Long Eyes.
Clinical ophthalmology (Auckland, N.Z.) Pub Date : 2025-03-08 eCollection Date: 2025-01-01 DOI: 10.2147/OPTH.S511337
Hany Ahmed Helaly, Karim Abdellatif Gaballah, Ahmed Mahmoud Ragab, Tamer Moussa Ibrahim
{"title":"Evaluation of Sum of Segments Biometry in Modern Intraocular Lens Power Calculation Formulas for Long Eyes.","authors":"Hany Ahmed Helaly, Karim Abdellatif Gaballah, Ahmed Mahmoud Ragab, Tamer Moussa Ibrahim","doi":"10.2147/OPTH.S511337","DOIUrl":"10.2147/OPTH.S511337","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the sum of segments (SOS) biometry in modern intraocular lens power (IOL) calculation formulas for long eyes.</p><p><strong>Methods: </strong>This was a retrospective case series that included 177 eyes from 177 patients with axial length (AL) ≥ 24.5 mm. Preoperative AL measurements were performed using the ARGOS (Alcon, Inc). This study used 2 formulas: the Barrett Universal II (BUII) and the Barrett true axial length (BTAL). Other formulas were included: Cooke K6, EVO 2.0, and PEARL DGS.</p><p><strong>Results: </strong>The Barrett Universal II formula exhibited the most significant myopic mean prediction error at -0.15 ± 0.27 D, with the Cooke K6, PEARL-DGS, and EVO 2.0 formulas following. In terms of hyperopic mean prediction error, the PEARL-DGSsos formula recorded the highest value at 0.19 ± 0.32 D, succeeded by the EVO 2.0sos, Cooke K6sos, and BTAL formulas. The EVO 2.0, PEARL-DGS, Barrett Universal II, and Cooke K6 formulas demonstrated the lowest mean and median absolute errors, with BTAL, EVO 2.0sos, Cooke K6sos, and PEARL-DGSsos formulas trailing behind. The median absolute errors (MedAE) for EVO 2.0, PEARL-DGS, and Barrett Universal II were recorded at 0.13, 0.15, and 0.16 D, respectively.</p><p><strong>Conclusion: </strong>BUII formula showed myopic shift with SOS biometry which increases with longer eyes. Using SOS option in Cooke K6, EVO 2.0, and PEARL-DGS formulas leads to a hyperopic shift in the mean prediction error which is undesirable. Using ALsos in those formulas without choosing the option of SOS yields a mean prediction error towards the myopic side which might be more desirable. All included formulas performed well with ALsos with most of the cases within + 1 D of intended refraction.</p>","PeriodicalId":93945,"journal":{"name":"Clinical ophthalmology (Auckland, N.Z.)","volume":"19 ","pages":"785-793"},"PeriodicalIF":0.0,"publicationDate":"2025-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11899907/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143617682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Single-Center Case-Control Study of Glaucoma Severity on Initial Presentation in Haitian Americans. 美国海地人初次发病时青光眼严重程度的单中心病例对照研究。
Clinical ophthalmology (Auckland, N.Z.) Pub Date : 2025-03-07 eCollection Date: 2025-01-01 DOI: 10.2147/OPTH.S512309
Daniel M Vu, Patrice J Persad, Adam L Rothman, William J Feuer, Ta C Chang
{"title":"A Single-Center Case-Control Study of Glaucoma Severity on Initial Presentation in Haitian Americans.","authors":"Daniel M Vu, Patrice J Persad, Adam L Rothman, William J Feuer, Ta C Chang","doi":"10.2147/OPTH.S512309","DOIUrl":"10.2147/OPTH.S512309","url":null,"abstract":"<p><strong>Purpose: </strong>To assess relative glaucoma severity between Haitians and non-Haitians upon presentation to a tertiary referral practice using a retrospective case-control design.</p><p><strong>Patients and methods: </strong>All Haitian descent patients were age- and zip code-matched with non-Haitian Hispanic American controls from a tertiary glaucoma service in a 1:1 ratio. Clinical and social vulnerability characteristics were analyzed for differences in functional and structural glaucoma deficits. Those who did not return after 1 year were considered lost to follow-up. Outcome measures included a comparison of blindness, glaucoma severity [visual field and retinal nerve fiber layer (RNFL) loss], and follow-up rates between groups.</p><p><strong>Results: </strong>At presentation, 95 Haitians had worse average mean deviation (MD) than controls in the better (-9.4 ± 9.8 vs -5.1 ± 6.4 dB, p < 0.02) and worse eyes (-12.7 ± 10.0 vs -7.3 ± 7.0 dB, p < 0.01). Haitians also had a greater percentage of functional blindness (22.4% vs 4.1%, p < 0.02) in the worse eye. RNFL thickness and loss to follow-up were similar between groups. Haitians were also less likely to have had a glaucoma surgery or laser prior to presentation than controls (p ≤ 0.009). In multivariable models, Haitian descent was associated with worse MD in the worse eye. Worse neighborhood area deprivation indices were associated with higher likelihood of loss to follow-up, but Haitian descent was not.</p><p><strong>Conclusion: </strong>Haitians had greater vision loss than controls despite similar exam findings. Higher burden of blindness and fewer prior procedures upon presentation may indicate a care disparity. Haitian patients may benefit from greater surveillance or earlier treatment for glaucoma.</p>","PeriodicalId":93945,"journal":{"name":"Clinical ophthalmology (Auckland, N.Z.)","volume":"19 ","pages":"773-783"},"PeriodicalIF":0.0,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11895674/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143607540","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Capsular Tension Ring on Refractive and Morphological Outcomes in Pseudoexfoliative Eyes.
Clinical ophthalmology (Auckland, N.Z.) Pub Date : 2025-03-05 eCollection Date: 2025-01-01 DOI: 10.2147/OPTH.S514116
Bruna Cunha, Pedro Gil, Nuno Rodrigues Alves, Diogo Hipólito-Fernandes, Vitor Maduro, João Feijão, Nuno Alves
{"title":"Effect of Capsular Tension Ring on Refractive and Morphological Outcomes in Pseudoexfoliative Eyes.","authors":"Bruna Cunha, Pedro Gil, Nuno Rodrigues Alves, Diogo Hipólito-Fernandes, Vitor Maduro, João Feijão, Nuno Alves","doi":"10.2147/OPTH.S514116","DOIUrl":"10.2147/OPTH.S514116","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the effect on anterior chamber depth (ACD) and postoperative refractive prediction error (PE) of capsular tension ring (CTR) implantation during phacoemulsification in pseudoexfoliative (PEX) eyes.</p><p><strong>Methods: </strong>Prospective case-control study of eyes submitted to uneventful cataract surgery, divided into three study groups: Group 1 - controls; Group 2 - PEX eyes without CTR implantation; Group 3 - PEX eyes with CTR implantation. Biometric data including ACD were measured preoperatively and 1-month postoperatively, using swept-source anterior segment optical coherence tomography (ANTERION<sup>®</sup>, Heidelberg Engineering), and endothelial cell density (ECD) with specular microscopy. Postoperative refractive PE was calculated using an optimized A-constant and the Kane formula.</p><p><strong>Results: </strong>A total of 25 eyes were included in each group. Anterior chamber increased significantly in all groups (p<0.001), with the change being significantly greater in Group 2 compared to Group 1 (p=0.014). No significant differences in ACD changes were observed between Group 3 and the other groups (p>0.05). In Group 2, a significant hyperopic shift (p=0.035) and 12% of eyes with a prediction error above 1D was observed, which were not seen in Groups 1 or 3. The percentage of eyes with a PE within ±0.25D was significantly lower in Group 2 (p=0.013). IOP and ECD decreased similarly across all groups (p>0.05).</p><p><strong>Conclusion: </strong>Routine CTR implantation during uneventful phacoemulsification in PEX eyes appears to prevent the pseudoexfoliative hyperopic shift previously reported, likely due to more even zonular tension distribution. If CTR is not used, a slightly myopic target should be considered.</p>","PeriodicalId":93945,"journal":{"name":"Clinical ophthalmology (Auckland, N.Z.)","volume":"19 ","pages":"763-771"},"PeriodicalIF":0.0,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11891448/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143598202","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Distribution of Angle Alpha in a Large Population in Eastern China: An Analysis of the 30705 Eyes Using the Ray Tracing Aberrometer.
Clinical ophthalmology (Auckland, N.Z.) Pub Date : 2025-03-04 eCollection Date: 2025-01-01 DOI: 10.2147/OPTH.S492933
Zhixiang Hua, Qiulin Zeng, Limei Zhang, Jiying Shen, Jin Yang
{"title":"Distribution of Angle Alpha in a Large Population in Eastern China: An Analysis of the 30705 Eyes Using the Ray Tracing Aberrometer.","authors":"Zhixiang Hua, Qiulin Zeng, Limei Zhang, Jiying Shen, Jin Yang","doi":"10.2147/OPTH.S492933","DOIUrl":"10.2147/OPTH.S492933","url":null,"abstract":"<p><strong>Purpose: </strong>To describe the distribution of angle alpha orientation and magnitude in a large population and to analyze the impact of eye laterality, gender, and age on angle alpha.</p><p><strong>Setting: </strong>EENT Hospital of Fudan University and Shanghai Heping Eye Hospital, 2017-2023.</p><p><strong>Design: </strong>A retrospective analysis utilizing the iTrace system to examine preoperative angle alpha in patients undergoing cataract surgery.</p><p><strong>Methods: </strong>Angle alpha orientation and magnitude were collected from 30,705 individuals. The distribution of angle alpha direction and the value of its magnitude were analyzed. In addition, the influence of eye laterality, gender, and age on angle alpha was analyzed in different subgroups.</p><p><strong>Results: </strong>The analysis revealed that the binocular angle alpha orientation was predominantly located in the temporal region, followed by the nasal region, while the upper and lower regions had a smaller proportion. The average magnitude of angle alpha in the right eye was 0.32 ± 0.19 mm, larger than that of the left eye, and this result was consistent in all subsequent subgroup studies. In a subgroup analysis categorized by gender, females exhibited significantly larger angle alpha than males. Furthermore, in an age-grouped subgroup analysis, a clear tendency was observed that the angle alpha value was increasing with age.</p><p><strong>Conclusion: </strong>This study analyzed the distribution of angle alpha in a large population and is the first to report the effects of eye laterality, gender, and age on angle alpha. These findings enhance ophthalmologists' understanding of angle alpha and provide a deeper perspective for cataract surgical planning.</p>","PeriodicalId":93945,"journal":{"name":"Clinical ophthalmology (Auckland, N.Z.)","volume":"19 ","pages":"753-762"},"PeriodicalIF":0.0,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11889998/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143588851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of Environmental Exposure on Ocular Surface Balance: A Comparative Study.
Clinical ophthalmology (Auckland, N.Z.) Pub Date : 2025-03-03 eCollection Date: 2025-01-01 DOI: 10.2147/OPTH.S504021
Waleed M Alghamdi
{"title":"Impact of Environmental Exposure on Ocular Surface Balance: A Comparative Study.","authors":"Waleed M Alghamdi","doi":"10.2147/OPTH.S504021","DOIUrl":"10.2147/OPTH.S504021","url":null,"abstract":"<p><strong>Purpose: </strong>Environmental factors such as high temperatures, low humidity, ultraviolet radiation, wind, and dust can harm ocular surface health, increasing dry eye disease risk, especially in harsh climates like central Saudi Arabia. Thus, the purpose of this study is to investigate the impact of outdoor environmental exposure on ocular surface stability by comparing ocular surface parameters between participants exposed to harsh outdoor conditions and those in indoor environments in central Saudi Arabia.</p><p><strong>Patients and methods: </strong>A cross-sectional study was conducted in May 2024 with 40 male participants divided equally into two groups: those exposed to outdoor environments and those in indoor settings. Clinical assessments included Non-Invasive Keratographic Break-Up Time (NIKBUT) to evaluate tear film stability, lipid layer thickness measurement, meibomian gland evaluation using meiboscore and gland expressibility, Tear Meniscus Height (TMH), conjunctival redness grading, and the Ocular Surface Disease Index (OSDI) questionnaire. Data were analysed to identify the differences between the groups; a P-value less than 0.05 was considered statistically significant.</p><p><strong>Results: </strong>Participants exposed to outdoor environments exhibited significantly shorter NIKBUT (12.35± ± 6.76 seconds) compared to indoor participants (18.50± ± 8.54 seconds), P = 0.016, indicating increased tear film instability. The outdoor group had higher lipid layer thickness (1.60± ± 0.50 units; P < 0.009), greater meiboscores (1.25± ± 0.44; P < 0.010), and increased conjunctival redness scores compared to those in indoor environments (P = 0.016). No significant differences were observed in TMH or meibomian gland expressibility between the groups. Although OSDI scores were higher in the outdoor-exposed group, this difference did not reach statistical significance.</p><p><strong>Conclusion: </strong>Exposure to harsh outdoor environments adversely affects ocular surface health, increasing the risk of dry eye disease among individuals in central Saudi Arabia. Implementing protective measures like UV-protective eyewear and regular eye examinations can help mitigate these effects.</p>","PeriodicalId":93945,"journal":{"name":"Clinical ophthalmology (Auckland, N.Z.)","volume":"19 ","pages":"747-752"},"PeriodicalIF":0.0,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11887504/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143588852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Advancing Sustainability in Ophthalmic Surgeries and Interventions: A Narrative Review of Environmental Impact and Best Practices.
Clinical ophthalmology (Auckland, N.Z.) Pub Date : 2025-02-27 eCollection Date: 2025-01-01 DOI: 10.2147/OPTH.S511472
Sara AlHilali, Halah Bin Helayel, Samar Al-Swailem
{"title":"Advancing Sustainability in Ophthalmic Surgeries and Interventions: A Narrative Review of Environmental Impact and Best Practices.","authors":"Sara AlHilali, Halah Bin Helayel, Samar Al-Swailem","doi":"10.2147/OPTH.S511472","DOIUrl":"10.2147/OPTH.S511472","url":null,"abstract":"<p><p>Healthcare is a significant contributor to global greenhouse gas (GHG) emissions, and the field of ophthalmology, particularly through high-volume surgeries such as cataract, glaucoma, and retina interventions, has a considerable environmental impact. This review explores the environmental consequences of ophthalmic surgeries, emphasizing recent research on carbon emissions, waste production, and resource use. It also examines current sustainable practices and suggests evidence-based recommendations to mitigate the carbon footprint of ophthalmic care. Sustainability has become a critical priority in healthcare, particularly in high-volume specialties like ophthalmology, which generate significant environmental impact through resource-intensive surgical procedures. This review examines the carbon footprint of key ophthalmic surgeries-cataract, glaucoma, and retina-and identifies primary sources of emissions, including single-use disposables, energy consumption, and the use of potent greenhouse gases such as sulfur hexafluoride (SF₆) in retina surgery. Strategies to mitigate these impacts are proposed, focusing on transitioning to reusable instruments and supplies, reducing pharmaceutical waste, optimizing energy use in surgical facilities, and considering air tamponade as a viable alternative to high global warming potential (GWP) gases in retina procedures. Case studies, such as the sustainable practices at Aravind Eye Hospital, illustrate the feasibility of combining high-quality ophthalmic care with environmental responsibility. By adopting evidence-based solutions, the field of ophthalmology can significantly reduce its ecological footprint, aligning with global sustainability initiatives while maintaining patient safety and surgical efficacy.</p>","PeriodicalId":93945,"journal":{"name":"Clinical ophthalmology (Auckland, N.Z.)","volume":"19 ","pages":"713-720"},"PeriodicalIF":0.0,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11874953/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143544880","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparison of Swept-Source Anterior Segment Ocular Coherence Tomography and Gonioscopy in Detecting Anterior Chamber Angle Closure.
Clinical ophthalmology (Auckland, N.Z.) Pub Date : 2025-02-27 eCollection Date: 2025-01-01 DOI: 10.2147/OPTH.S498949
Panhathai Yaisiri, Natthanose Panarojwongse, Isaraporn Treesit, Raveewan Choontanom, Ornwasee Jatuthong, Wallop Iemsomboon, Panrapee Funarunart
{"title":"Comparison of Swept-Source Anterior Segment Ocular Coherence Tomography and Gonioscopy in Detecting Anterior Chamber Angle Closure.","authors":"Panhathai Yaisiri, Natthanose Panarojwongse, Isaraporn Treesit, Raveewan Choontanom, Ornwasee Jatuthong, Wallop Iemsomboon, Panrapee Funarunart","doi":"10.2147/OPTH.S498949","DOIUrl":"10.2147/OPTH.S498949","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the diagnostic accuracy of swept-source anterior segment optical coherence tomography (AS-OCT) with gonioscopy in detecting angle closure among narrow-angle suspected eyes.</p><p><strong>Patients and methods: </strong>A total of 125 eyes determined narrow anterior chamber angles suspected by Van Herick's technique grade 0, 1, or 2 were recruited. AS-OCT was undergone before any contact procedure. Intraocular pressure (IOP) measurements using applanation tonometry and gonioscopy were performed, respectively. AS-OCT images were blindly interpreted by 3 glaucoma specialists, involving both qualitative assessments at 0, 90, 180, and 270 degrees and quantitative analysis using iris-trabecular contact (ITC) index. The sensitivity and specificity of AS-OCT, compared with gonioscopy-the gold standard for identifying anterior chamber angle closure-were calculated.</p><p><strong>Results: </strong>The mean age was 61±12.9 years, and females constituted 67.6%. Eyes classified by Van Herick's technique as grade 0, 1 and 2 were 16%, 58.40%, and 25.60%, respectively. Closed-angle identified by gonioscopy and AS-OCT were 100 eyes (80%) and 102 eyes (81.60%), respectively. The sensitivity and specificity of AS-OCT in detecting angle-closure were 92.16% (95% CI, 87.44-96.87) and 73.91% (66.22-81.61), respectively. For angle-closure identified by ITC index ≥ 55%, sensitivity was 86.36% (77.53-95.20) and specificity was 92.86 (86.23-99.49). The inter-observer agreement of gonioscopy was moderate (Kappa = 0.55), while the intra-observer and inter-observer agreement of AS-OCT was substantial (Kappa = 0.71-0.80 and Kappa = 0.69, respectively).</p><p><strong>Conclusion: </strong>AS-OCT enables a contactless qualitative and quantitative assessment of angle-closure in narrow-angle suspected eyes, demonstrating high sensitivity, acceptable specificity, and good inter-observer and intra-observer reliability.</p>","PeriodicalId":93945,"journal":{"name":"Clinical ophthalmology (Auckland, N.Z.)","volume":"19 ","pages":"699-711"},"PeriodicalIF":0.0,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11874767/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143544885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Short-Term Outcomes Using a Novel Femtosecond Laser-Assisted Keratotomy Nomogram to Manage Corneal Astigmatism During Phacoemulsification.
Clinical ophthalmology (Auckland, N.Z.) Pub Date : 2025-02-27 eCollection Date: 2025-01-01 DOI: 10.2147/OPTH.S500884
Nguyen Truong, Brett Ernst, Gautam Mishra, Catherine Seeger, Ashley Sun, Amy Longenecker, Erik Lehman, Seth M Pantanelli
{"title":"Short-Term Outcomes Using a Novel Femtosecond Laser-Assisted Keratotomy Nomogram to Manage Corneal Astigmatism During Phacoemulsification.","authors":"Nguyen Truong, Brett Ernst, Gautam Mishra, Catherine Seeger, Ashley Sun, Amy Longenecker, Erik Lehman, Seth M Pantanelli","doi":"10.2147/OPTH.S500884","DOIUrl":"10.2147/OPTH.S500884","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the efficacy of a femtosecond laser assisted astigmatic keratotomy (AK) nomogram (FemtoAK.com) for correction of astigmatism during cataract surgery.</p><p><strong>Patients and methods: </strong>Consecutive patients underwent cataract extraction with AKs and insertion of a non-toric intraocular lens. Eyes with greater than 0.5 D of against-the-rule (ATR) or 1.0 D of with-the-rule (WTR) or oblique (OBL) astigmatism were treated in accordance with the nomogram. Optical biometry and manifest refraction were checked pre- and one-month post-operatively. Outcome measures included correction index (CI), index of success (IOS), and proportion of eyes with less than 0.5 and 1.0 D of astigmatism.</p><p><strong>Results: </strong>Ninety-five eyes from 69 patients were included, of which 41 had ATR, 35 had WTR, and 19 had OBL astigmatism. Corneal CI (ATR = 0.86, WTR = 0.27) indicated a small and large under-correction of ATR and WTR astigmatism, respectively, while refractive CI revealed a near-ideal correction of WTR (ATR = 0.87, WTR = 1.02). The proportion of eyes with less than 0.5 and 1.0 D of refractive astigmatism increased from 28% and 54% pre-operatively to 56% and 92% post-operatively, respectively.</p><p><strong>Conclusion: </strong>The FemtoAK nomogram is effective at reducing corneal astigmatism at the time of cataract surgery. Astigmatic correction was more precise when evaluated by refractive rather than corneal measures.</p>","PeriodicalId":93945,"journal":{"name":"Clinical ophthalmology (Auckland, N.Z.)","volume":"19 ","pages":"721-731"},"PeriodicalIF":0.0,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11875125/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143544849","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Long-Term Evaluation of Central and Peripheral Lens Densities Post Implantation of Implantable Collamer Lens V4c.
Clinical ophthalmology (Auckland, N.Z.) Pub Date : 2025-02-27 eCollection Date: 2025-01-01 DOI: 10.2147/OPTH.S500512
I-Chun Lin, Yinjie Jiang, Mingrui Cheng, Boliang Li, Yadi Lei, Guanghan Xu, Mingwei Li, Zhiwei Mao, Ning Rui, Xun Chen, Xiaoying Wang
{"title":"Long-Term Evaluation of Central and Peripheral Lens Densities Post Implantation of Implantable Collamer Lens V4c.","authors":"I-Chun Lin, Yinjie Jiang, Mingrui Cheng, Boliang Li, Yadi Lei, Guanghan Xu, Mingwei Li, Zhiwei Mao, Ning Rui, Xun Chen, Xiaoying Wang","doi":"10.2147/OPTH.S500512","DOIUrl":"10.2147/OPTH.S500512","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to analyze the impact of long-term ICL implantation on lens density, focusing on the relationship between the anterior subcapsule, anterior lens density, and implantable collamer lenses (ICL) position after ICL V4c implantation.</p><p><strong>Methods: </strong>This retrospective study included 145 eyes with ICL V4c implantation and average follow-up of 4.2 years (range: 3-8 years). The control group comprised 65 myopic eyes without surgery. All participants underwent comprehensive ophthalmologic examinations, and lens density were measured using quantitative Scheimpflug images.</p><p><strong>Results: </strong>The central anterior subcapsular densities were 8.62 ± 1.39% preoperatively, 8.99 ± 1.31% at 3 months, and 9.29 ± 0.95% at the last follow-up post ICL implantation (p < 0.001). At last follow-up, the anterior subcapsular densities were 9.29 ± 0.95% in the central region, 8.92 ± 0.79% in the long axis of peripheral region, and 8.62 ± 0.76% in the short axis of peripheral region (p < 0.001). The densities were lower in the non-surgical group than in the ICL implantation group. One eye (0.69%) was discovered to have anterior subcapsular and nuclear opacification.</p><p><strong>Conclusion: </strong>The density of the anterior subcapsule increased over time after ICL implantation. Preoperative refraction and pupil size were correlated with changes in anterior subcapsule density. The central anterior subcapsule density was higher than that at the periphery, and the peripheral density of the long axis was higher than that of the short axis.</p>","PeriodicalId":93945,"journal":{"name":"Clinical ophthalmology (Auckland, N.Z.)","volume":"19 ","pages":"733-745"},"PeriodicalIF":0.0,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11874743/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143544903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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 Rhegmatogenous Retinal Detachment Repair by Pars Plana Vitrectomy With and Without Scleral Buckling: A Propensity Score Analysis [Response to Letter].
Clinical ophthalmology (Auckland, N.Z.) Pub Date : 2025-02-26 eCollection Date: 2025-01-01 DOI: 10.2147/OPTH.S521481
Pongthep Rajsirisongsri, Direk Patikulsila, Phichayut Phinyo, Paradee Kunavisarut, Voraporn Chaikitmongkol, Onnisa Nanegrungsunk, Atitaya Apivatthakakul, Sutheerada Seetasut, Yaowaret Tantivit, Napatsorn Krisanuruks, Apisara Sangkaew, Nawat Watanachai, Janejit Choovuthayakorn
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