Arquivos brasileiros de oftalmologia最新文献

{"title":"Economic impact of initial glaucoma treatment with selective laser trabeculoplasty on the Brazilian Public Health System.","authors":"Ivan M Tavares, Flavio E Hirai, Diogo F C Landim, Paola Zucchi","doi":"10.5935/0004-2749.2024-0215","DOIUrl":"10.5935/0004-2749.2024-0215","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate the economic impact of the following initial treatment scenarios for glaucoma on the Brazilian Public Health System (SUS): (1) traditional continuous instillation of hypotensive eye drops and (2) single session of selective laser trabeculoplasty.</p><p><strong>Methods: </strong>Economic impact was analyzed in three scenarios, from the least to the most conservative, for a hypothetical cohort of 5,000 individuals with open-angle glaucoma. Thereafter, projections were made on the basis of a glaucoma prevalence of 3% in the 2021 Brazilian population size.</p><p><strong>Results: </strong>All three scenarios demonstrated that selective laser trabeculoplasty exhibited a significantly lower economic impact than the eye drops on SUS over one and five years. Furthermore, the difference was more than United States Dollar 8 billion at five years when considering 3% of the Brazilian population aged >40 years in 2021.</p><p><strong>Conclusion: </strong>As the initial treatment for primary open-angle glaucoma, selective laser trabeculoplasty exhibited a lower economic impact on SUS than latanoprost and timolol maleate eye drop instillation in all the studied scenarios over one and five-year periods.</p>","PeriodicalId":8397,"journal":{"name":"Arquivos brasileiros de oftalmologia","volume":"88 3","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143063340","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":"Analysis and optimization of the landing zone parameters of a sclera lens model.","authors":"Luiz Formentin, Yandely Chihuantito Choquechambi, Natalia Pereira Felix de Araujo, Samantha de Albuquerque Mori Miyazawa, Helena Maria Costa Oliveira, Rodrigo Teixeira Santos","doi":"10.5935/0004-2749.2023-0332","DOIUrl":"10.5935/0004-2749.2023-0332","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to modify scleral contact lenses to achieve a desired compression standard and to evaluate the effectiveness and reliability of the adjustments.</p><p><strong>Methods: </strong>In this nonrandomized, noncomparative, and partially masked study Scleral contact lens fittings were analyzed in 20 eyes of 12 patients (50% women, 50% men) diagnosed with keratoconus. Participants were selected based on their need for scleral contact lenses (SCLs), which was determined in complete ophthalmological examinations. Patients were tested with Zenlens scleral contact lenses (Bausch & Lomb, Vaughan, Ontario, Canada). We evaluated compression in the lens support area after one hour of use, excluding cases of peripheral lifting. Photos of the adaptations were sent to five experts for analysis of the quadrants (nasal, temporal, superior, and inferior). We used Fisher's exact test for statistical analysis.</p><p><strong>Results: </strong>The proposed adjustment was highly effective (93.5% correct) in lens delivery (BL=0), with the interrater agreement between doctors ranging from 68.8% to 80.9%.</p><p><strong>Conclusion: </strong>The clinical parameters proposed for scleral contact lenses adjustment proved useful and reproducible, enabling their practical application to scleral lens adaptation.</p>","PeriodicalId":8397,"journal":{"name":"Arquivos brasileiros de oftalmologia","volume":"88 3","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143063389","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":"Appearance of an unusual sign on optical coherence tomography in diabetic maculopathy: subretinal onion rings.","authors":"Kemal Tekin, Merve Inanc, Cemile Ucgul Atilgan","doi":"10.5935/0004-2749.2024-0172","DOIUrl":"https://doi.org/10.5935/0004-2749.2024-0172","url":null,"abstract":"","PeriodicalId":8397,"journal":{"name":"Arquivos brasileiros de oftalmologia","volume":"88 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143063159","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":"Psychophysical assessment of color vision with the Cambridge Color Vision Test in unilateral functional amblyopia.","authors":"Roberta Melissa Benetti Zagui, Leonardo Dutra Henriques, Marcelo Fernandes Costa","doi":"10.5935/0004-2749.2023-0263","DOIUrl":"10.5935/0004-2749.2023-0263","url":null,"abstract":"<p><strong>Purpose: </strong>Amblyopia is a cortical neurological disorder caused by abnormal visual experiences during the critical period for visual development. Recent works have shown that, in addition to the well-known visual alterations, such as changes in visual acuity, several perceptual aspects of vision are affected. This study aims to analyze and compare the effects of different types of amblyopia on visual color processing and determine whether these effects are correlated with visual acuity.</p><p><strong>Methods: </strong>Our study sample comprised 42 amblyopic individuals, aged 7-40 years, (strabismus, n=16; anisometropia, n=18; and mixed-cause, n=8) and 33 age-matched controls. Color vision was tested by measuring the chromaticity threshold of each patient on the protan, deutan, and tritan axes using version 02 of the Cambridge Color Test. Spatial stimulation cues were eliminated using spatial noise and luminance.</p><p><strong>Results: </strong>The color discrimination thresholds on the protan, deutan, and tritan axes were similar between control participants and amblyopic patients (p>0.05). There was no correlation between VA values and color thresholds (p>0.05).</p><p><strong>Conclusion: </strong>Patients with amblyopia have normal color vision in contexts that include luminance and spatial noise. Our results may be indicative of independent neural pathways for spatial and chromatic visual processing.</p>","PeriodicalId":8397,"journal":{"name":"Arquivos brasileiros de oftalmologia","volume":"88 4","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143063408","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":"Ectopia lentis.","authors":"Leonardo Borges, Nicole Bulgarão Maricondi de Almeida, Newton Kara-Júnior","doi":"10.5935/0004-2749.2024-0275","DOIUrl":"https://doi.org/10.5935/0004-2749.2024-0275","url":null,"abstract":"","PeriodicalId":8397,"journal":{"name":"Arquivos brasileiros de oftalmologia","volume":"88 1","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143063196","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":"Quality of life in patients with strabismus: Assessment of the preoperative and postoperative psychosocial and functional aspects.","authors":"Ilse Elias Gomes Dorninger, David Leonardo Cruvinel Isaac, Alexandre Chater Taleb, Keila Monteiro de Carvalho, Marcos Pereira de Ávila","doi":"10.5935/0004-2749.2024-0118","DOIUrl":"10.5935/0004-2749.2024-0118","url":null,"abstract":"<p><strong>Purpose: </strong>To determine the influence of strabismus and its surgical correction on the preoperative and postoperative functional and psychosocial aspects of patients being treated at the CEROF/UFG Strabismus Outpatient Clinic.</p><p><strong>Methods: </strong>This prospective cross-sectional study included 27 patients, aged >7 years that were divided into two groups (<18 years and >18 years). The AS 20 questionnaire is composed of two domains (psychosocial and functional). Each domain includes 10 questions, which should be answered using a 5-point Likert scale. The questionnaire was administered preoperatively and 3 months postoperatively. In patients aged <18 years, the questionnaire was concurrently administered to their parents and/or guardians.</p><p><strong>Results: </strong>Preoperatively, the average psychosocial and functional scores were 55 (p=0.01) and 57.5 (p=0.025), respectively, in adults, 70 (p=0.03) and 78.7 (p=0.16), respectively, in children and adolescents, and 46.2 (p=0.002) and 57.5 (p=0.003), respectively, in the parents and/or guardians. Postoperatively, the average psychosocial and functional scores were 80 (p=0.01) and 82.5 (p=0.025), respectively, in adults, 81.2 (p=0.03) and 85 (p=0.16), respectively, in children and adolescents, and 83.7 (p=0.002) and 86.2 (p=0.003), respectively, in parents and/or guardians.</p><p><strong>Conclusion: </strong>The postoperative scores in the psychosocial (p=0.001), functional (p=0.001) and general (p<0.001) domains had increased in all the patients, demonstrating an improvement in the quality of life following strabismus correction surgery.</p>","PeriodicalId":8397,"journal":{"name":"Arquivos brasileiros de oftalmologia","volume":"88 3","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143063400","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":"Short-term orthokeratology effects on corneal biomechanics with a focus on SPA1 and stress-strain index (SSI) parameters in pediatric myopia.","authors":"Wenjuan Xie, Xue Li, Cheng Yang, Yingan Li, Xiyang Yang, Zheng Li, Yongyi Niu, Jin Zeng","doi":"10.5935/0004-2749.2023-0356","DOIUrl":"10.5935/0004-2749.2023-0356","url":null,"abstract":"<p><strong>Purpose: </strong>Although the orthokeratology effects on corneal biomechanics have been proven with clinical trials, reports of stiffness parameter change are scarce. This study investigated the short-term orthokeratology effects in pediatric myopia and compared stiffness parameter changes to those published in recent clinical investigations. This prospective study aimed to investigate corneal biomechanics changes induced by short-term overnight orthokeratology treatment, focusing on stiffness parameter at A1 and stress-strain index.</p><p><strong>Methods: </strong>Twenty-six children aged 8 to 18 were included in this study using orthokeratology lenses for two different durations: 1 day and 1 week. Corneal biomechanics were assessed using corneal visualization (Corvis) Scheimpflug technology. Measurements were taken at baseline and after each wearing session. Changes in corneal stiffness parameters and corneal curvature were analyzed.</p><p><strong>Results: </strong>All parameters changed significantly after 1 week of lens wear (p<0.05), except for velocity of corneal apex at the first and second applanation times highest concavity time, radius, stiffness parameter at A1 and stress-strain index. After 1 day, central corneal thickness, first applanation time, second applanation time, deformation amplitude ratio (2 mm), and Corvis biomechanical index (CBI) remained stable (p>0.05). After 1 week, central corneal thickness and first applanation time decreased, whereas second applanation time, deformation amplitude ratio, and Corvis Biomechanical Index significantly increased. With intraocular pressure and central corneal thickness as control variables, no significant correlation was found between stress-strain index and curvature changes (p>0.05). With age as the control variable, no significant correlation was found between stress-strain index and curvature changes (p>0.05).</p><p><strong>Conclusions: </strong>Short-term orthokeratology treatment induced notable changes in several corneal biomechanical parameters. Stiffness parameter at A1 and stress-strain index are unaffected by increasing lens wear duration and do not influence the orthokeratology effect.</p>","PeriodicalId":8397,"journal":{"name":"Arquivos brasileiros de oftalmologia","volume":"88 4","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143063410","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":"The application of inductive policies to scientific research publication.","authors":"Newton Kara-Junior","doi":"10.5935/0004-2749.2024-1015","DOIUrl":"https://doi.org/10.5935/0004-2749.2024-1015","url":null,"abstract":"","PeriodicalId":8397,"journal":{"name":"Arquivos brasileiros de oftalmologia","volume":"88 3","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143063402","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":"Estimating the volume of the vitrectomized space using axial length: a guideline.","authors":"Rodrigo Pessoa Cavalcanti Lira, Andrea Andrade Azevedo de Vasconcelos, Valesca Castro Neri, Juliana Moreira de Santana, Luiz Felipe Lynch de Moraes, Gabriel Rocha Lira, Maria Isabel Lynch Gaete","doi":"10.5935/0004-2749.2024-0229","DOIUrl":"10.5935/0004-2749.2024-0229","url":null,"abstract":"<p><strong>Purpose: </strong>The volume of the vitreous chamber varies with the size of the eye. The space created in the vitreous cavity by a vitrectomy is called the vitrectomized space. The volume of the vitrectomized space is strongly correlated with the axial length of the eye. This study aims to present guidelines for estimating the using participants stratified by axial length, sex, and history of cataract surgery.</p><p><strong>Methods: </strong>This retrospective, observational, cross-sectional study included 144 randomly selected participants who underwent vitrectomies between 2013 and 2023. Before surgery, the axial lengths of participants' eyes were measured using optical biometrics. The axial lengths of the eyes in our sample were between 20-32 mm. In all cases, a complete vitrectomy was performed, followed by complete fluid-air exchange and injection of a balanced saline solution. The volume infused was recorded.</p><p><strong>Results: </strong>The median (interquartile range; range) volume of the vitrectomized space was 6.1 (3.8; 3.1-11.3) mL in men and 6.1 (3.3; 3.2-11.2) mL in women (p = 0.811). The median volume of the vitrectomized space was 5.9 (3.6; 3.1-11.2) mL in patients with phakic lenses and 6.25 (3.6; 3.3-11.3) mL in those with pseudophakic lenses (p=0.533). A positive correlation was found between the axial length and the volume of the vitrectomized space in this sample (r=0.968; p<0.001). In a cubic polynomial regression, the coefficient of determination was 0.948. Similar results were observed in both sexes and in both phakic and pseudophakic patients. The estimated cubic polynomial regression equation for this sample was VVS = 0.000589052857847605 × AL 3 - 0.025114926401582700 × AL 2 + 0.685961117595624000 × AL - 5.088226672620790000.</p><p><strong>Conclusion: </strong>We developed this axial length estimation of the volume of vitrectomized space as a guideline for the determination of vitrectomized space volume using axial length.</p>","PeriodicalId":8397,"journal":{"name":"Arquivos brasileiros de oftalmologia","volume":"88 4","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143063406","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":"Assessment of the content and quality of YouTube videos on retinopathy of prematurity: a cross-sectional study.","authors":"Ceren Durmaz Engin, Dilhan Karaca, Taylan Ozturk","doi":"10.5935/0004-2749.2024-0214","DOIUrl":"10.5935/0004-2749.2024-0214","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to evaluate the quality and reliability of YouTube videos as an educational resource about retinopathy of prematurity.</p><p><strong>Methods: </strong>Videos were sourced from YouTube using the search terms \"retinopathy of prematurity\" and \"premature retinopathy\" with the default settings. Each video was assessed on the following metrics: views, likes, dislikes, comments, upload source, country of origin, view ratio, like ratio, and video power index. The quality and reliability of the videos were evaluated by two independent researchers using the DISCERN questionnaire, the JAMA benchmarks, the Global Quality Score scale, the Health on the Net Code of Conduct, and the Ensuring Quality Information for Patients scale.</p><p><strong>Results: </strong>The study assessed 92 videos, the majority of which (42 videos, 45.7%) originated from the United States. Most of the videos focused on screening, pathophysiology, and diagnosis of retinopathy of prematurity (61.9%). The primary contributors were medical organizations (19 videos, 20.6%), nonacademic health channels (19 videos, 20.6%), and physicians (15 videos, 16.3%). Significant differences were found between the DISCERN (p=0.003), JAMA (p=0.001), Global Quality Score (p=0.003), Health on the Net Code of Conduct (p=0.006), and Ensuring Quality Information for Patients (p=0.001) scores among different video sources. However, the key video metrics did not differ. Using the DISCERN and Global Quality Score scales, the overall YouTube video content on retinopathy of prematurity was rated as moderate in quality. Using the Health On the Net Code of Conduct and Ensuring Quality Information for Patients scales, it was rated as high quality. Strong correlations were observed between the scores on all of the scales (p<0.001).</p><p><strong>Conclusion: </strong>Videos from medical organizations and healthcare centers were of a higher quality than those from nonmedical sources. Despite the varied foci of each evaluation scale, the strong correlation between them indicates that they provide reliable and comprehensive assessments of the quality of informational content.</p>","PeriodicalId":8397,"journal":{"name":"Arquivos brasileiros de oftalmologia","volume":"88 4","pages":""},"PeriodicalIF":1.1,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143063403","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}