Jorge Manuel Martins Jorge
@uminho.pt
Universidade do
Minho
Scopus Publications
- Normative visual performance standards in male professional football players: a comprehensive assessment of visual acuity, binocular function, and visuo-cognitive abilities
Jorge Jorge, Rui Fuste, Rui Sousa
Clinical and Experimental Optometry, 2026 - Correlation between visual system function and visuo-cognitive skills in elite football players
Jorge Jorge, João Pedro Jorge, Sandra Medrano Muñoz, António Dias
Clinical and Experimental Optometry, 2026 - Tear film stability in children: Age and sex associations explored through non-invasive tear break-up time
Filipe Da Silva, João M.M. Linhares, Jorge Jorge, Madalena Lira
Contact Lens and Anterior Eye, 2025 - Relationship Between Refractive Error, Visual Acuity, and Postural Stability in Elite Football Players
Miguel Oliveira, Rui Fuste, Javier Gene-Morales, Andrés Gené-Sampedro, Jorge Jorge
Applied Sciences Switzerland, 2025
This study aimed to investigate the relationship between visual system parameters (visual acuity and refractive error) and postural balance under controlled conditions in elite football players. Visual acuity (monocular and binocular) and refractive errors were assessed in 34 male athletes using retinoscopy and subjective refraction. Postural stability was assessed with the Cyber-Sabots™ platform, recording the center of pressure (CoP) metrics, including sway amplitude, velocity, and distribution area. Visual and postural parameter correlations were assessed using Pearson’s test (p < 0.05). Athletes demonstrated good binocular visual acuity (−0.03 ± 0.09 logMAR) and were predominantly emmetropic. Visual acuity and postural parameters showed significant negative correlations, whereby visual acuity was associated with reduced CoP displacement (r = −0.352) and sway area (r = −0.367), indicating enhanced stability. Hyperopia and oblique astigmatism were moderately correlated with increased sway (r = 0.343) and antero-posterior sway amplitude in the sagittal plane (r = 0.324). Anisometropia showed moderately negative correlations with antero-posterior control (r = −0.421), suggesting a disruptive effect on postural stability. The postural analysis showed adaptations characteristic of football players, including anterior body inclination, increased forefoot loading, and medio-lateral sway. Romberg’s quotients highlighted significant visual input reliance for maintaining postural balance. Visual acuity, refractive errors, and interocular refractive asymmetries significantly influence postural stability in elite football players. These results support incorporating visual function assessment into training and injury prevention in elite sports. - Comparative accuracy of Plusoptix A16, Vision Screener V100, and Grand Seiko WAM-5500 autorefractors versus subjective refraction
Jorge Jorge, Paulo Fernandes
Clinical and Experimental Optometry, 2025
CLINICAL RELEVANCE Accurate measurement of refractive errors is essential for vision correction. Understanding the strengths and limitations of different refractive measurement techniques is crucial for clinical practice, particularly in managing patients with complex refractive conditions. BACKGROUND This study compares the accuracy of the Plusoptix A16 and Vision Screener V100 photorefraction devices with the WAM-5500 open-field autorefractor and subjective refraction. METHODS One hundred and eighty-six subjects with a mean age of 30.3 ± 20.1 years were evaluated using the Plusoptix A16, Vision Screener V100, WAM-5500 autorefractor, and subjective refraction. Measurements were taken in random order in a room with diminished ambient lighting. In subjective refraction, the best visual acuity with the maximum positive sphere hyperopic correction and the minimum negative sphere for myopic correction was used as the endpoint. Mean differences of the M, J0, and J45 parameters were analysed across all techniques, stratified by age groups (<18 years, 18-45 years, >45 years). RESULTS There were significant differences in refractive error components (M and J0) across all methods, with subjective refraction yielding the most negative M values. Statistically significant differences were noted for the WAM-5500 (-0.12 ± 0.58D) and Plusoptix A16 (-0.17 ± 0.65D). Subjective refraction showed more positive J0 values, indicating greater with-the-rule astigmatism compared to Plusoptix A16 and Vision Screener V100. No significant trends were found for J45. Age-related differences were observed in M and J0 components when comparing subjective refraction with WAM-5500 and Plusoptix measurements. CONCLUSION Significant differences in refractive error measurements were observed between devices, with the Vision Screener V100 overestimating errors and the Grand Seiko WAM-5500 showing higher J0 values. Subjective refraction detected more with-the-rule astigmatism, highlighting the importance of validating autorefraction results, especially in high astigmatism cases. Age-related differences in M and J0 components highlight the need to confirm objective methods with subjective refraction. - Physical Health and Nutrition for Esports Athletes
Fernando J. Ribeiro, Filipe Cymbron, Pedro Almeida Couto, Jorge Jorge
Esports Nutrition Enhancing Cognitive and Physical Performance in Competitive Gaming, 2025 - Comparative analysis of visual and cognitive performance in esports athletes and soccer players
Jorge Jorge, Filipe Cymbron, Pedro Honório da Silva, Pedro Almeida Couto
Clinical and Experimental Optometry, 2025
CLINICAL RELEVANCE Assessing visual and cognitive performance in athletes is important for optimising training strategies and preventing visual strain in both esports and traditional sports. BACKGROUND This study compared visual acuity, refractive error, binocular functions, and cognitive perception measures between esports and soccer players to optimise visual performance strategies. METHODS Twenty-eight male esports athletes and 38 male soccer players were assessed. Visual acuity was measured using an ETDRS chart, and refractive error was assessed with retinoscopy. Phoria was evaluated with the Modified Thorington Technique at distance and near. Fusional vergence ranges and vergence facility were measured using prism bars and a prism flipper. Monocular accommodative facility at near was tested with ± 2.00D flipper lenses. Stereopsis was assessed using the Randot Stereo Test. Perception span, multiple object tracking, and visual reaction time, were evaluated using the Senaptec Sensory Station. RESULTS Soccer players had significantly better visual acuity than esports athletes. For the right eye, the soccer group had an average decimal visual acuity of 1.1 ± 0.2 compared to 0.9 ± 0.1 in the esports group (p < 0.001). Refractive error analysis showed that esports athletes had more myopia (M =-0.67 ± 1.70D) and higher astigmatism (J0 = 0.47 ± 0.53D) than soccer players (M = 0.6 ± 1.06D, J0 = 0.09 ± 0.43D; p < 0.001). Soccer players demonstrated better negative fusional vergence at distance (p = 0.049) and superior near-accommodative facility (12.4 ± 4.2 cpm vs. 9.4 ± 5.2 cpm; p = 0.025). Soccer players also outperformed esports athletes in multiple object tracking (1811.3 ± 391.3 vs. 1523.4 ± 528.7; p = 0.013). No significant differences were observed in stereopsis or other binocular vision parameters. CONCLUSION Soccer players showed superior visual acuity and performance in tasks such as negative fusional vergence and near-accommodative facility compared to esports players. Esports athletes had more myopia and astigmatism, indicating a need for targeted visual interventions. - Comparison of the PlusoptiX A16 and vision screener V100
Frontiers in Ophthalmology, 2024 - Relationship between dynamic visual acuity and static visual acuity, refractive error, and binocular vision in elite soccer players
Jorge Jorge, João Pedro Jorge
Clinical and Experimental Optometry, 2024
CLINICAL RELEVANCE In many sports, dynamic visual acuity is used. In order to improve dynamic visual acuity, it is important to understand the aspects of the visual system that can cause compromise. BACKGROUND To investigate the parameters of the visual system that may influence dynamic visual acuity in professional soccer players. METHODS In 2022, 40 professional players were analysed. Screening consisted of a survey, the measurement refractive error, and static and dynamic visual acuity and the binocular vision parameters. All athletes were men with a mean age of 24.9 ± 4.8 years. RESULTS The mean refractive error was -0.29 ± 0.61D, and 22.5% of athletes are myopic only and 7.5% hyperopic. Static visual acuity was R: -0.037 ± 0.094 LogMAR , L: -0.036 ± 0.098 LogMAR. Dynamic visual acuity was 0.154 ± 0.118 LogMAR . There is a positive and moderate correlation between monocular static visual acuity and dynamic visual acuity, with r = 0.524 (r2 = 0.275 , p < 0.001) for the right eye and r = 0.553 (r2 = 0.306, p < 0.001) for the left eye. For the component of astigmatism (J = 0) and for stereopsis in distance vision, the correlation was, r = -0.472 (r2 = 0.223, p = 0.002) and r = -0.467 (r2 = 0.218, p = 0.002), respectively. CONCLUSION Athletes with lower static visual acuity in distance vision, or with worse stereopsis in distance vision or more myopic astigmatism, have lower dynamic visual acuity than other athletes. - Self-reported visual symptoms and high visual demand activities in professional football players: a cross-sectional survey
Jorge Jorge, José Teixeira, Tiago Pinhão, Frederico Delgado, Alshaarawi Salem, et al.
Frontiers in Sports and Active Living, 2023
BackgroundVision is crucial for football players, impacting decision-making and athletic performance. Despite its global popularity, football lacks comprehensive evaluations of the impact of digital device use on ocular symptoms during high-demand activities.PurposeTo gain knowledge about the time spent by football players in high visual demand activities, the symptoms associated with binocular vision dysfunction, and their relationship with sports performance.MethodsA cross-sectional observational study was conducted in 2020 using an online survey targeting football players from Portugal, England, Spain, and Saudi Arabia. The survey, distributed over 5 weeks, aimed to collect data from approximately 5,000 football players. Information on player profiles, competitive levels, vision habits, and symptoms related to binocular vision dysfunctions was collected. The Convergence Insufficiency Symptom Survey (CISS) employed a 5-point Likert scale to indicate the average frequency of each symptom. Due to non-normality, non-parametric tests were used (p &lt; 0.05). Specifically, Mann-Whitney U, Kruskal-Wallis, Chi-square, and Spearman's rank correlation tests were used as appropriate.ResultsAnalyzing male professional football players (mean age: 27.4 ± 5.0 years, 95% CI, 26.7–28.1), it was found that 38.1% of the players had been called up to the national team and 6.9% had played over 50 games. Self-rated last season's performance had a mean score of 6.5 ± 2.1 (95% CI, 6.2–6.8)(on a scale of 1 to 10). Smartphone use exceeded 1 h daily for all players, with 36.0% surpassing 4 h. Visual symptoms, notably associated with smartphone use (35.5%), were observed. Regarding the CISS score, the mean was 7.1 ± 7.7 (IC95%: 6.6 to 8.8). A weak negative correlation (rho = −0.215, p = 0.003) emerged between CISS scores and self-perceived sports performance. Football players using prescription lenses had significantly higher CISS scores (11.9 ± 10.4, 95% CI, 12.3–7.7) compared to non-users (6.2 ± 6.8, 95% CI, 7.8–5.7) (p &lt; 0.001).ConclusionThis study reveals that professional football players engage in high visual demand tasks, notably on smartphones. One-third of the players link smartphone use to ocular symptoms. The Convergence Insufficiency Symptoms Survey indicates that 6.3% exhibit binocular vision dysfunction symptoms. Those with fewer ocular symptoms perceive that they have better sports performance than their counterparts. - Binocular Function Parameters in Elite Football Players
Journal of Binocular Vision and Ocular Motility, 2022 - Prevalence of binocular vision dysfunctions in professional football players
Jorge Jorge, Alberto Diaz-Rey, Madalena Lira
Clinical and Experimental Optometry, 2022 - Competencies and training needs of the Portuguese optometrists - a national inquiry
Vera Lúcia Alves Carneiro, Jorge Jorge
Journal of Optometry, 2020 - Impact of contact lens materials on the mfERG response of the human retina
Ana Amorim-de-Sousa, Linda Moreira, Rute Macedo-de-Araújo, André Amorim, Jorge Jorge, et al.
Documenta Ophthalmologica, 2020 - Static and dynamic visual acuity and refractive errors in elite football players
Jorge Jorge, Paulo Fernandes
Clinical and Experimental Optometry, 2019 - Changes in myopia prevalence among first-year university students in 12 years
Jorge Jorge, Ana Braga, António Queirós
Optometry and Vision Science, 2016 - Strategies to regulate myopia progression with contact lenses: A review
José M. González-Méijome, Sofia C. Peixoto-de-Matos, Miguel Faria-Ribeiro, Daniela P. Lopes-Ferreira, Jorge Jorge, et al.
Eye and Contact Lens, 2016 - Errors Associated with IOLMaster Biometry as a Function of Internal Ocular Dimensions
Miguel Faria-Ribeiro, Daniela Lopes-Ferreira, Norberto López-Gil, Jorge Jorge, José Manuel González-Méijome
Journal of Optometry, 2014 - Computing retinal contour from optical biometry
Miguel Faria-Ribeiro, Norberto López-Gil, Rafael Navarro, Daniela Lopes-Ferreira, Jorge Jorge, et al.
Optometry and Vision Science, 2014 - Clinical performance and "ex vivo" dehydration of silicone hydrogel contact lenses with two new multipurpose solutions
José Manuel González-Méijome, Ana Carla da Silva, Helena Neves, Daniela Lopes-Ferreira, António Queirós, et al.
Contact Lens and Anterior Eye, 2013 - Peripheral refraction with dominant design multifocal contact lenses in young myopes
Daniela Lopes-Ferreira, Cláudia Ribeiro, Helena Neves, Miguel Faria-Ribeiro, António Queirós, et al.
Journal of Optometry, 2013 - Adaptation to multifocal and monovision contact lens correction
Paulo R.B. Fernandes, Helena I. F. Neves, Daniela P. Lopes-Ferreira, Jorge M.M. Jorge, José M. González-Meijome
Optometry and Vision Science, 2013 - Central corneal thickness and anterior chamber depth measurement by sirius® Scheimpfug tomography and ultrasound
José Manuel González-Méijome, Jorge, Diaz-Rey, Rosado
Clinical Ophthalmology, 2013 - Peripheral refraction and retinal contour in stable and progressive myopia
Miguel Faria-Ribeiro, António Queirós, Daniela Lopes-Ferreira, Jorge Jorge, José Manuel González-Méijome
Optometry and Vision Science, 2013 - Multi-aspheric description of the myopic cornea after different refractive treatments and its correlation with corneal higher order aberrations
António Queirós, César Villa-Collar, Jorge Jorge, Ángel Ramón Gutiérrez, José Manuel González-Méijome
Journal of Optometry, 2012
RECENT SCHOLAR PUBLICATIONS
- Short-Term Effects of Low-Level Red-Light Therapy on Central Retinal Function: A Combined Pattern ERG and Photopic ERG Study
M Qasim, P Fernandes, J Jorge
Vision 10 (2), 26 , 2026
2026 - Systematic review and Meta-Analysis Low-level Red-Light Therapy for Myopia Control–A systematic review and Meta-Analysis of Randomized and Non-Randomized Controlled Studies
M Qasim, M Shahbaz, J Jorge, P Fernandes, M Hirani
MENA Journal of Case Reports 1 (1), 18-29 , 2026
2026 - Correlation between visual system function and visuo-cognitive skills in elite football players
J Jorge, JP Jorge, S Medrano Muñoz, A Dias
Clinical and Experimental Optometry, 1-11 , 2026
2026 - Normative visual performance standards in male professional football players: a comprehensive assessment of visual acuity, binocular function, and visuo-cognitive abilities
J Jorge, R Fuste, R Sousa
Clinical and Experimental Optometry, 1-9 , 2026
2026 - Comparative accuracy of Plusoptix A16, Vision Screener V100, and Grand Seiko WAM-5500 autorefractors versus subjective refraction
J Jorge, P Fernandes
Clinical and Experimental Optometry 108 (8), 1047-1054 , 2025
2025 - Comparative analysis of visual and cognitive performance in esports athletes and soccer players
J Jorge, F Cymbron, PH da Silva, P Almeida Couto
Clinical and Experimental Optometry 108 (7), 838-843 , 2025
2025
Citations: 5 - Physical Health and Nutrition for Esports Athletes
FJ Ribeiro, F Cymbron, PA Couto, J Jorge
Esports Nutrition: Enhancing Cognitive and Physical Performance in … , 2025
2025 - Tear film stability in children: Age and sex associations explored through non-invasive tear break-up time
F Da Silva, JMM Linhares, J Jorge, M Lira
Contact Lens and Anterior Eye 48 (3), 102351 , 2025
2025
Citations: 1 - Relationship between refractive error, visual acuity, and postural stability in elite football players
M Oliveira, R Fuste, J Gene-Morales, A Gené-Sampedro, J Jorge
Applied Sciences 15 (10), 5437 , 2025
2025
Citations: 3 - Burden of refractive errors in Albania–Findings from an Urban Eye Clinic in Tirana
M Qasim, M Shahbaz, S Urooj, JMM Jorge, P Fernandes
Optometría Clínica y Ciencias de la Visión 4 (2), 10-10 , 2025
2025 - The Efficacy of Combination Therapy Using Atropine and Orthokeratology in Limiting Myopia Progression in Comparison to Atropine and Orthokeratology Monotherapy—A Systematic Review
M Qasim, MS Balouch, M Shahbaz, JMM Jorge, PB Fernandes
Canadian Journal of Optometry 87 (1), 50-69 , 2025
2025 - L’efficacité de la thérapie combinée utilisant l’atropine et l’orthokératologie pour ralentir la progression de la myopie par rapport à celles de l’atropine et de l …
M Qasim, MS Balouch, M Shahbaz, J Jorge, P Fernandes
CANADIAN JOURNAL of OPTOMETRY| REVUE CANADIENNE D'OPTOMÉTRIE 87 (1), 60-69 , 2025
2025 - Errores Refractivos en Albania: Hallazgos de una Clínica Oftalmológica Urbana en Tirana
M Qasim, M Shahbaz, S Urooj, JMM Jorge, P Fernandes
Revista Optometría Clínica y Ciencias de la Visión (OCCV) 4 (2), 1-10 , 2025
2025 - Relationship between dynamic visual acuity and static visual acuity, refractive error, and binocular vision in elite soccer players
J Jorge, JP Jorge
Clinical and Experimental Optometry 107 (8), 820-825 , 2024
2024
Citations: 13 - Comparison of the Plusoptix A16 and vision screener V100
J Jorge, P Fernandes
Frontiers in Ophthalmology 4, 1414417 , 2024
2024
Citations: 3 - Self-reported visual symptoms and high visual demand activities in professional football players: a cross-sectional survey
J Jorge, J Teixeira, T Pinhão, F Delgado, A Salem, F Martino, S Plainis
Frontiers in Sports and Active Living 5, 1256847 , 2023
2023
Citations: 5 - Prevalence of binocular vision dysfunctions in professional football players
J Jorge, A Diaz-Rey, M Lira
Clinical and Experimental Optometry 105 (8), 853-859 , 2022
2022
Citations: 17 - Binocular function parameters in elite football players
J Jorge, A Diaz-Rey
Journal of Binocular Vision and Ocular Motility 72 (2), 97-104 , 2022
2022
Citations: 10 - Competencies and training needs of the Portuguese optometrists-a national inquiry
VLA Carneiro, J Jorge
Journal of optometry 13 (2), 88-95 , 2020
2020
Citations: 16 - Impact of contact lens materials on the mfERG response of the human retina
A Amorim-de-Sousa, L Moreira, R Macedo-de-Araújo, A Amorim, J Jorge, ...
Documenta Ophthalmologica 140 (2), 103-113 , 2020
2020
Citations: 7
MOST CITED SCHOLAR PUBLICATIONS
- Implantable collamer posterior chamber intraocular lenses: a review of potential complications
P Fernandes, JM González-Méijome, D Madrid-Costa, T Ferrer-Blasco, ...
Journal of refractive surgery 27 (10), 765-776 , 2011
2011
Citations: 368 - Peripheral refraction in myopic patients after orthokeratology
A Queirós, JM González-Méijome, J Jorge, C Villa-Collar, AR Gutiérrez
Optometry and Vision Science 87 (5), 323-329 , 2010
2010
Citations: 306 - Comparison of the ICare® rebound tonometer with the Goldmann tonometer in a normal population
P Fernandes, JA Diaz-Rey, A Queiros, JM Gonzalez-Meijome, J Jorge
Ophthalmic and Physiological Optics 25 (5), 436-440 , 2005
2005
Citations: 250 - Three-year follow-up of subjective vault following myopic implantable collamer lens implantation
JF Alfonso, C Lisa, A Abdelhamid, P Fernandes, J Jorge, R Montés-Micó
Graefe's Archive for Clinical and Experimental Ophthalmology 248 (12), 1827-1835 , 2010
2010
Citations: 142 - Retinoscopy/autorefraction: which is the best starting point for a noncycloplegic refraction?
J Jorge, A Queirós, JB Almeida, MA Parafita
Optometry and vision science 82 (1), 64-68 , 2005
2005
Citations: 139 - Central vault after phakic intraocular lens implantation: correlation with anterior chamber depth, white-to-white distance, spherical equivalent, and patient age
JF Alfonso, L Fernández-Vega, C Lisa, P Fernandes, J Jorge, RM Micó
Journal of Cataract & Refractive Surgery 38 (1), 46-53 , 2012
2012
Citations: 132 - Adaptation to multifocal and monovision contact lens correction
PRB Fernandes, HIF Neves, DP Lopes-Ferreira, JMM Jorge, ...
Optometry and Vision Science 90 (3), 228-235 , 2013
2013
Citations: 115 - Peripheral refraction and retinal contour in stable and progressive myopia
M Faria-Ribeiro, A Queirós, D Lopes-Ferreira, J Jorge, ...
Optometry and Vision Science 90 (1), 9-15 , 2013
2013
Citations: 114 - Quality of life of myopic subjects with different methods of visual correction using the NEI RQL-42 questionnaire
A Queirós, C Villa-Collar, AR Gutiérrez, J Jorge, JM González-Méijome
Eye & contact lens 38 (2), 116-121 , 2012
2012
Citations: 112 - Refractive, biometric and topographic changes among Portuguese university science students: a 3‐year longitudinal study
J Jorge, JB Almeida, MA Parafita
Ophthalmic and physiological optics 27 (3), 287-294 , 2007
2007
Citations: 110 - Correlations between corneal biomechanical properties measured with the ocular response analyzer and ICare rebound tonometry
JMM Jorge, JM Gonzalez-Meijome, A Queiros, P Fernandes, MA Parafita
Journal of glaucoma 17 (6), 442-448 , 2008
2008
Citations: 109 - Pilot study on the influence of corneal biomechanical properties over the short term in response to corneal refractive therapy for myopia
JM González-Méijome, C Villa-Collar, A Queirós, J Jorge, MA Parafita
Cornea 27 (4), 421-426 , 2008
2008
Citations: 97 - Strategies to regulate myopia progression with contact lenses: a review
JM González-Méijome, SC Peixoto-de-Matos, M Faria-Ribeiro, ...
Eye & contact lens 42 (1), 24-34 , 2016
2016
Citations: 88 - Clinical performance of the Reichert AT550: a new non-contact tonometer
J Jorge, JA Diaz-Rey, JM Gonzalez-Meijome, JB Almeida, MA Parafita
Ophthalmic and Physiological Optics 22 (6), 560-564 , 2002
2002
Citations: 88 - Influence of fogging lenses and cycloplegia on open-field automatic refraction
A Queirós, J González-Méijome, J Jorge
Ophthalmic and Physiological Optics 28 (4), 387-392 , 2008
2008
Citations: 83 - The influence of cycloplegia in objective refraction
J Jorge, A Queiros, J González-Méijome, P Fernandes, JB Almeida, ...
Ophthalmic and Physiological Optics 25 (4), 340-345 , 2005
2005
Citations: 82 - Clinical performance of non‐contact tonometry by Reichert AT550 ® in glaucomatous patients
J Jorge, JM Gonzalez‐Meijome, JA Diaz‐Rey, JB Almeida, P Ribeiro, ...
Ophthalmic and Physiological Optics 23 (6), 503-506 , 2003
2003
Citations: 71 - Local steepening in peripheral corneal curvature after corneal refractive therapy and LASIK
A Queirós, JM González-Méijome, C Villa-Collar, AR Gutiérrez, J Jorge
Optometry and Vision Science 87 (6), 432-439 , 2010
2010
Citations: 64 - Static and dynamic visual acuity and refractive errors in elite football players
J Jorge, P Fernandes
Clinical and Experimental Optometry 102 (1), 51-56 , 2019
2019
Citations: 62 - Collagen copolymer toric posterior chamber phakic intraocular lenses to correct high myopic astigmatism
JF Alfonso, B Baamonde, D Madrid-Costa, P Fernandes, J Jorge, ...
Journal of Cataract & Refractive Surgery 36 (8), 1349-1357 , 2010
2010
Citations: 61
