{"title":"Association of Preoperative Personality Traits with Six-Month Subjective Quality of Vision After Bilateral PanOptix Trifocal IOL Implantation: A Prospective Single-Center Study.","authors":"Anca Maria Rednik-Pușcă, Cristina Ariadna Nicula","doi":"10.3390/vision10040070","DOIUrl":"10.3390/vision10040070","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the association between preoperative personality traits and subjective quality of vision six months after bilateral trifocal intraocular lens (IOL) implantation.</p><p><strong>Methods: </strong>This prospective, single-center study included 66 patients undergoing bilateral implantation of the AcrySof IQ PanOptix TFNT00 trifocal IOL. Personality traits were assessed preoperatively using the Mini-International Personality Item Pool (Mini-IPIP). Six months after surgery, participants completed the Quality of Vision (QoV) questionnaire. Associations between the five personality dimensions and global QoV score, as well as individual visual symptoms, were evaluated.</p><p><strong>Results: </strong>Postoperative visual acuity was good at all distances (mean binocular uncorrected visual acuity: 0.04 ± 0.05 logMAR at distance, 0.06 ± 0.05 logMAR at intermediate, and 0.08 ± 0.05 logMAR at near). All five personality dimensions were significantly associated with global QoV scores (all pFDR < 0.05): extraversion (ρ = -0.343), agreeableness (ρ = -0.378), conscientiousness (ρ = -0.344), and openness to experience (ρ = -0.318) were associated with better subjective quality of vision, whereas neuroticism was associated with worse QoV (ρ = 0.428). Neuroticism showed the strongest correlation with starburst perception (ρ = 0.603, <i>p</i> < 0.001), while agreeableness demonstrated the strongest negative association with blurred vision (ρ = -0.524, <i>p</i> < 0.001). Halo, glare, starburst, hazy vision, blurred vision, and fluctuation in vision were consistently associated with multiple personality dimensions.</p><p><strong>Conclusions: </strong>Personality traits are significantly associated with patients' subjective perception of visual quality following bilateral trifocal IOL implantation. Assessing personality before surgery may help identify patients at greater risk of postoperative dissatisfaction and guide more personalized counseling for those considering premium intraocular lenses.</p>","PeriodicalId":36586,"journal":{"name":"Vision (Switzerland)","volume":"10 4","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13600082/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149031364","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}
Caroline Glänzer, Sami Dalbah, Jan Strathmann, Mareile Knetsch, Anja Eckstein, Nikolaos E Bechrakis, Henrike Westekemper, Mael Lever
{"title":"Long-Term Visual Acuity in Young Children After Lensectomy for Congenital Cataract.","authors":"Caroline Glänzer, Sami Dalbah, Jan Strathmann, Mareile Knetsch, Anja Eckstein, Nikolaos E Bechrakis, Henrike Westekemper, Mael Lever","doi":"10.3390/vision10040069","DOIUrl":"10.3390/vision10040069","url":null,"abstract":"<p><p>(1) Background: Congenital cataract is a rare but severe childhood ocular disorder that can lead to permanent visual impairment if left untreated. Factors influencing long-term visual outcomes are insufficiently defined. The aim of this study was to evaluate long-term visual outcomes after congenital cataract surgery and to identify factors associated with visual acuity impairment and reoperation rates. (2) Methods: This retrospective cohort study included 173 eyes of 116 patients who underwent surgery for congenital cataract at the University Hospital Essen between 2000 and 2018. Patients with a minimum postoperative follow-up of six years were included. Best-corrected visual acuity (BCVA) was analyzed according to binocular condition, age at surgery and the presence of comorbidities. Postoperative complications and the need for additional surgical interventions were evaluated. (3) Results: Unilateral cataract was present in 48% (n = 56) and bilateral cataract in 52% (n = 60) of patients. Age at surgery ranged from 2.1 weeks to 15.6 years in unilateral cases and from 3.1 weeks to 8.7 years in bilateral cases. Six years after surgery, mean BCVA was 1.0 logMAR (Snellen 20/200) in unilateral cases and 0.4 logMAR (Snellen 20/50) in bilateral cases. No significant association was found between long-term BCVA and either age at surgery or ocular or systemic comorbidities. Patients with microphthalmia and those born prematurely showed significantly higher rates of additional surgical procedures. (4) Conclusions: Bilateral cases of congenital cataract achieved a significantly better visual acuity than unilateral cases after surgery. In this cohort, neither age at surgery nor the presence of comorbidities was significantly associated with visual acuity, whereas microphthalmia and prematurity were linked to an increased likelihood of additional surgical interventions.</p>","PeriodicalId":36586,"journal":{"name":"Vision (Switzerland)","volume":"10 4","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13600075/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149031593","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}
Maria Vivas, Júlio Almeida, Catarina Monteiro, Mara Ferreira, Isabel Prieto
{"title":"Bilateral Conjunctival Small Lymphocytic Lymphoma Simulating Inflammatory Ocular Surface Disease: A Case Report.","authors":"Maria Vivas, Júlio Almeida, Catarina Monteiro, Mara Ferreira, Isabel Prieto","doi":"10.3390/vision10040068","DOIUrl":"10.3390/vision10040068","url":null,"abstract":"<p><p>Conjunctival lymphoma classically appears as a painless salmon-pink subepithelial infiltrate, but its indolent forms can closely imitate inflammatory ocular surface disease and delay diagnosis, particularly when an uncommon subtype such as small lymphocytic lymphoma presents bilaterally and in isolation. A woman in her early fifties presented with one month of left ocular discomfort and sectoral redness, and slit-lamp examination revealed two multilobulated hyperaemic bulbar conjunctival nodules, clinically indistinguishable from nodular episcleritis. Topical corticosteroids and a topical non-steroidal anti-inflammatory drug relieved the ocular discomfort and hyperaemia, but the nodules regressed only partially and at no point resolved. This dissociation between symptomatic relief and persistence of the lesions was, in retrospect, the earliest argument against a purely inflammatory process. The initial work-up pointed toward inflammatory and granulomatous causes: elevated serum angiotensin-converting enzyme and lysozyme raised the possibility of sarcoidosis, although thoracic computed tomography, bronchoscopy and a first conjunctival biopsy performed without a lymphoma-directed panel were unrevealing, showing only reactive lymphoid hyperplasia. Approximately one year later, recurrent and now bilateral disease prompted a repeat biopsy with directed immunohistochemistry, which demonstrated a CD20-positive small B-cell infiltrate co-expressing CD5 and CD23 with negative cyclin D1 and CD10, consistent with chronic lymphocytic leukaemia/small lymphocytic lymphoma. Systemic staging with <sup>18</sup>F-FDG PET/CT and bone marrow biopsy revealed no definite extra-conjunctival disease. After multidisciplinary review of observation, local radiotherapy and surgical excision, systemic therapy was preferred given the bilateral, recurrent and symptomatic course, and oral ibrutinib 420 mg once daily achieved complete clinical regression at three months and a sustained ocular response at two years, with indefinite haematological and ophthalmological surveillance planned.</p>","PeriodicalId":36586,"journal":{"name":"Vision (Switzerland)","volume":"10 4","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13600184/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149031469","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}
Shuo Wu, Hao Fu, Wenjin Li, Hao Li, Zehong Wang, Kai Wang
{"title":"Oculomotor Profiles in Children Wearing Different Myopia Control Lenses: A Real-World Eye Tracking Study.","authors":"Shuo Wu, Hao Fu, Wenjin Li, Hao Li, Zehong Wang, Kai Wang","doi":"10.3390/vision10040067","DOIUrl":"10.3390/vision10040067","url":null,"abstract":"<p><p>To compare oculomotor profiles among children wearing orthokeratology, defocus spectacle, and diffusion optics technology lenses in a routine pediatric myopia management setting. This real-world observational study included children who had worn one of the three lens types for approximately one year and had available eye tracking data. Lens type was selected during routine clinical care rather than assigned by the investigators. Oculomotor parameters were compared among lens groups using Kruskal-Wallis tests with false discovery rate correction. One-year spherical equivalent change was examined only in the defocus spectacle and diffusion optics technology groups. Adjusted and exploratory analyses included age, sex, baseline spherical equivalent, baseline axial length, axial elongation, and parental education categories. A total of 134 children were analyzed, including 46 in the orthokeratology group, 49 in the defocus spectacle group, and 39 in the diffusion optics technology group. Significant group differences were observed for microsaccade frequency (FDR adjusted <i>p</i> = 0.00099), peak velocity (FDR adjusted <i>p</i> = 0.00099), latency (FDR adjusted <i>p</i> = 0.00395), fixation disparity (FDR adjusted <i>p</i> = 0.00395), and conjugacy (FDR adjusted <i>p</i> = 0.0274). Saccade frequency and saccade amplitude did not differ significantly. One-year spherical equivalent change did not differ significantly between the defocus spectacle group and the diffusion optics technology group (-0.27 ± 0.43 D vs. -0.34 ± 0.36 D, <i>p</i> = 0.312). No statistically significant correlation was observed between spherical equivalent change and microsaccade frequency in the two spectacle lens groups (Spearman <i>r</i> = -0.231, <i>p</i> = 0.069). Parental education categories showed no consistent association with oculomotor parameters after correction for multiple comparisons. Children wearing different myopia control lenses showed selective differences in oculomotor profiles. Refractive change in the two spectacle lens groups was similar, and the observed oculomotor differences should not be interpreted as direct indicators of myopia control efficacy. Eye tracking may provide complementary information about visual behavior and lens adaptation, but prospective studies with age-balanced designs and longitudinal refractive and axial length outcomes are needed.</p>","PeriodicalId":36586,"journal":{"name":"Vision (Switzerland)","volume":"10 4","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13600104/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149031651","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}
{"title":"Diabetic Eye Screening Attendance Among Minority Ethnic and Other Inequality-Affected Populations in the United Kingdom: A Systematic Review of Associated Factors, Barriers, Facilitators and Interventions.","authors":"Hammaad Khalid, Farah Andaleeb","doi":"10.3390/vision10040066","DOIUrl":"10.3390/vision10040066","url":null,"abstract":"<p><p>Diabetic retinopathy is a leading cause of preventable sight loss. The United Kingdom achieves high overall uptake through organised diabetic eye screening programmes, but aggregate performance may conceal inequalities. This systematic review synthesised United Kingdom evidence on attendance-related associated factors, barriers, facilitators and interventions, with particular emphasis on minority ethnic communities and related inequalities. MEDLINE and Embase via Ovid, Web of Science, Scopus, the Cochrane Central Register of Controlled Trials, Google Scholar, citation searching and targeted United Kingdom grey-literature sources were searched and updated to 18 August 2026. Fourteen primary studies met the inclusion criteria. Younger age and socioeconomic deprivation showed the most consistent associations with lower or delayed attendance across multiple large routine-data analyses. Ethnicity-related associations varied by group and setting, and several datasets were limited by incomplete ethnicity recording. Qualitative, mixed-methods and survey evidence identified communication difficulties, competing work or education, appointment inflexibility, transport, inaccurate contact details and fragmentation with diabetes care as plausible barriers. One cluster-randomised trial in practices serving South Asian communities increased mean practice-level attendance from 74% to 89% (adjusted difference 12 percentage points, 95% confidence interval 7-17). Overall confidence was strongest for age- and deprivation-related associations and lower for specific mechanisms and interventions. Equity improvement should combine robust demographic monitoring with locally demonstrated barriers and the evaluation of intervention reach and sustained attendance.</p>","PeriodicalId":36586,"journal":{"name":"Vision (Switzerland)","volume":"10 4","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13600017/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149031546","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}
Yumiko Yamamoto, Timur Bakhriddinov, Hideyuki Sakaki, Narufumi Suganuma, Ichiro Murakami
{"title":"Practical Comparison of a Newly Developed Software-Based Visual Acuity Test and Photoscreening in Japanese Preschool Children.","authors":"Yumiko Yamamoto, Timur Bakhriddinov, Hideyuki Sakaki, Narufumi Suganuma, Ichiro Murakami","doi":"10.3390/vision10040065","DOIUrl":"10.3390/vision10040065","url":null,"abstract":"<p><strong>Background: </strong>Early detection of vision problems in young children is crucial, as they may lead to lifelong disabilities such as amblyopia and strabismus. However, conducting visual acuity (VA) evaluations in this age group is challenging. We developed novel VA testing software tailored for young children with engaging animal images and sound effects to encourage participation.</p><p><strong>Methods: </strong>A total of 414 children aged three to five years were included in the study. Each child underwent evaluation using both the newly developed VA testing software and the Spot Vision Screener (SVS, Welch Allyn, USA; software Ver. B), a portable autorefractor. Statistical analysis was performed to explore the complementary roles of VA and refractive error measurements in identifying vision problems.</p><p><strong>Results: </strong>Among the 414 children, 407 (98.3%) successfully completed the VA test using the new software. Bilateral decimal VA of 0.8 (LogMAR 0.1) or higher was observed in 383 of the 407 children (94.1%). Of the 24 children with VA < 0.8, 7 (29.2%) were already under ophthalmological follow-up, while 17 (70.8%) were newly identified as having possible visual developmental issues. SVS detected refractive errors in 21 out of 407 children (5.2%). However, 14 of the 24 children (58.3%) with VA < 0.8 showed no refractive error on SVS evaluation.</p><p><strong>Conclusions: </strong>Assessment of both VA and refractive error provides complementary information for identifying potential vision impairment in young children. Practical VA testing is particularly important, as the SVS may not detect a substantial proportion of children with possible VA deficiency. These findings support the usefulness of child-friendly VA assessment tools in preschool vision screening.</p>","PeriodicalId":36586,"journal":{"name":"Vision (Switzerland)","volume":"10 4","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13600185/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149031587","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}
{"title":"Knowledge and Practices of South African Optometrists Regarding Childhood Myopia Management.","authors":"Shivani Naipal, Nishanee Rampersad, Rekha Hansraj","doi":"10.3390/vision10040063","DOIUrl":"10.3390/vision10040063","url":null,"abstract":"<p><p>Myopia is a growing public health problem expected to affect half the global population by 2050, making appropriate management of the condition necessary. Therefore, the purpose of this study was to investigate the knowledge and practices of South African optometrists regarding childhood myopia management. A quantitative, cross-sectional, descriptive design with a survey method was employed. An online questionnaire was distributed to practicing optometrists and included questions related to demographic information, knowledge of myopia and associated ocular pathologies, diagnostic work-up and management of childhood myopia. Data were summarised using descriptive statistics, and further analysed with univariate binary and ordinal logistic regression analysis where the independent variables were years of experience, certification and interest. A total of 124 completed questionnaires were received. The majority of participants used non-cycloplegic refraction and less than 20% performed dilated fundus examinations. Single vision distance spectacles were most commonly prescribed despite awareness of the efficacy of interventions to slow myopia progression. However, factors such as cost and the need for clinical guidelines limit the practice of evidence-based management. Participants were aware of some of the ocular pathologies associated with high myopia, indicating that this knowledge needs to be reinforced. Results from this study may be used to aid optometry policy development, regulatory council decisions and guide the content of professional development programmes to enhance knowledge.</p>","PeriodicalId":36586,"journal":{"name":"Vision (Switzerland)","volume":"10 4","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13600011/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149031497","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}
{"title":"Effects of Three-Wavelength-Cut Lens on Cone Contrast Sensitivity.","authors":"Shuji Nakatsuka, Tomoya Handa, Yo Iwata, Hirotaka Ito, Tomohito Watanabe, Kumiko Mokuno","doi":"10.3390/vision10040064","DOIUrl":"10.3390/vision10040064","url":null,"abstract":"<p><p>The purpose of this study was to quantitatively evaluate the effects of a three-wavelength-cut (TWC) lens, a type of wavelength-control lens, on cone contrast sensitivity in healthy adults using ColorDx CCT-HD (KONAN MEDICAL, Inc.). TWC lenses selectively attenuate light at wavelengths below approximately 420 nm, as well as around 460 and 585 nm. Fifteen healthy adults (mean age, 39.7 ± 9.0 years) were examined under two conditions: full refractive correction alone and full refractive correction with the TWC lens. Cone contrast sensitivity scores corresponding to long-wavelength-sensitive cones (L-cones), middle-wavelength-sensitive cones (M-cones), and short-wavelength-sensitive cones (S-cones) were measured. The L-cone-axis score was treated as the primary outcome, with the M- and S-cone-axis analyses considered exploratory. Paired comparisons were supplemented with a two-way repeated-measures ANOVA using lens condition and cone axis as within-subject factors. The primary L-cone analysis showed a significantly higher contrast sensitivity score with the TWC lens than without it (<i>p</i> = 0.022). The repeated-measures ANOVA showed a significant main effect of lens condition (<i>p</i> = 0.024), but no lens condition × cone axis interaction (<i>p</i> = 0.858). These preliminary findings suggest an overall lens-associated change in cone-axis-specific contrast sensitivity, while providing no statistical evidence that the effect is selective to the L-cone axis.</p>","PeriodicalId":36586,"journal":{"name":"Vision (Switzerland)","volume":"10 4","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13600192/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149031511","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}
Siddharth Gandhi, Michael Balas, Rachel Curtis, Tianwei Ellen Zhou, Ya-Ping Jin, Peng Yan
{"title":"Global Ophthalmology Research Output Relative to Disease Burden and National Income, 2011-2021.","authors":"Siddharth Gandhi, Michael Balas, Rachel Curtis, Tianwei Ellen Zhou, Ya-Ping Jin, Peng Yan","doi":"10.3390/vision10040061","DOIUrl":"10.3390/vision10040061","url":null,"abstract":"<p><strong>Purpose: </strong>To characterize ophthalmology research output relative to disease burden and national economic capacity after accounting for population size.</p><p><strong>Methods: </strong>We analyzed Scopus publications, Global Burden of Disease disability-adjusted life years (DALYs), and World Bank economic and population data from 2011 to 2021. Negative binomial and Gamma models evaluated publication volume and positive citation-weighted impact, adjusting for DALYs, gross domestic product (GDP) per capita, population, disease category, and publication year.</p><p><strong>Results: </strong>Refractive disorders accounted for 45.4% of DALYs and 23.2% of publication volume; cataract, 44.7% and 29.8%; glaucoma, 5.2% and 30.6%; and age-related macular degeneration, 3.8% and 15.2%. High-income countries accounted for 11.8% of burden, 67.2% of publication volume, and 74.2% of citation-weighted impact; lower-middle-income countries accounted for 49.1%, 7.9%, and 6.8%, respectively. DALYs were not independently associated with publication volume (adjusted count ratio [aCR], 0.99; 95% confidence interval [CI], 0.98-1.01; <i>p</i> = 0.278), whereas GDP per capita (aCR, 4.47) and population (aCR, 13.99) were strongly associated (both <i>p</i> < 0.001). For positive citation-weighted impact, DALYs had a small association (adjusted ratio of means [aRM], 1.05), whereas GDP per capita (aRM, 2.86) and population (aRM, 4.96) were strongly associated (all <i>p</i> < 0.001).</p><p><strong>Conclusions: </strong>After accounting for population size, absolute disease burden was not independently associated with publication volume, whereas national economic capacity remained strongly associated with both outcomes. These patterns should inform research and service-delivery priorities.</p>","PeriodicalId":36586,"journal":{"name":"Vision (Switzerland)","volume":"10 4","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13600168/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149031462","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}
Jennifer Stevens, Emma Sare Stephenson, Cory Winkler, Ipsita Bhakre, Mia Lawrence
{"title":"Congruent Head Orientation in the Absence of Sight Facilitates Motor Performance.","authors":"Jennifer Stevens, Emma Sare Stephenson, Cory Winkler, Ipsita Bhakre, Mia Lawrence","doi":"10.3390/vision10040062","DOIUrl":"10.3390/vision10040062","url":null,"abstract":"<p><p>(1) Background: During fine motor object manipulation, head orientation towards the workspace allows the small receptive fields in our cone-rich fovea to perceive details required to complete the task. Here, we investigated whether a head orientation benefit remains even when sight is unavailable. (2) Methods: Blindfolded, sighted participants reconstructed three-dimensional objects in 45-degree leftward, centered (0-degree), and 45-degree rightward workspaces in conditions when their head was oriented either towards (congruent) or away from (incongruent) the workspace. (3) Results: Performance times were found to be significantly faster when the head was oriented towards the workspace even though vision was occluded. Moreover, the same benefit was found regardless of workspace location, suggesting the effect is unrelated to comfort or experience. (4) Conclusions: Our findings demonstrate a motor performance time benefit when there is a congruency between head orientation and workspace location in the absence of sight. Head orientation may align the visual system with the target of action, thereby enabling representational detail akin to that provided by the small receptive fields in the cone-rich fovea. This is the first study demonstrating the benefit of head orientation in blindfolded, sighted individuals.</p>","PeriodicalId":36586,"journal":{"name":"Vision (Switzerland)","volume":"10 4","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13600090/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149031474","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}