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Rodriguez NG, Claici AO, Ramos-Castaneda JA, González-Zamora J, Bilbao-Malavé V, de la Puente M, Fernandez-Robredo P, Garzón-Parra SJ, Garza-Leon M, Recalde S. Conjunctival ultraviolet autofluorescence as a biomarker of outdoor exposure in myopia: a systematic review and meta-analysis. Sci Rep 2024; 14:1097. [PMID: 38212604 PMCID: PMC10784576 DOI: 10.1038/s41598-024-51417-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 01/04/2024] [Indexed: 01/13/2024] Open
Abstract
Outdoor exposure is considered the primary modifiable risk factor in preventing the development of myopia. This effect is thought to be attributed to the light-induced synthesis and release of dopamine in the retina. However, until recent years, there was no objective quantifiable method available to measure the association between time spent outdoors and myopia. It is only recently that the conjunctival ultraviolet autofluorescence (CUVAF) area, serving as a biomarker for sun exposure, has begun to be utilized in numerous studies. To provide a comprehensive summary of the relevant evidence pertaining to the association between the CUVAF area and myopia across different geographic regions and age groups, a systematic review and meta-analysis were conducted. The search encompassed multiple databases, including MEDLINE, SCIENCE DIRECT, GOOGLE SCHOLAR, WEB OF SCIENCE, and SCOPUS, and utilized specific search terms such as "conjunctival ultraviolet autofluorescence", "CUVAF", "UVAF", "objective marker of ocular sun exposure", "myopia", "degenerative myopia", and "high myopia". The bibliographic research included papers published between the years 2006 and 2022. A total of 4051 records were initially identified, and after duplicates were removed, 49 articles underwent full-text review. Nine articles were included in the systematic review. These studies covered myopia and outdoor exposure across different regions (Australia, Europe and India) with a total population of 3615 individuals. They found that myopes generally had smaller CUVAF areas compared to non-myopes. The meta-analysis confirmed this, revealing statistically smaller CUVAF areas in myopic patients, with a mean difference of - 3.30 mm2 (95% CI - 5.53; - 1.06). Additionally, some studies showed a positive correlation between more outdoor exposure and larger CUVAF areas. In terms of outdoor exposure time, myopic patients reported less time outdoors than non-myopic individuals, with a mean difference of - 3.38 h/week (95% CI - 4.66; - 2.09). Overall, these findings highlight the connection between outdoor exposure, CUVAF area and myopia, with regional variations playing a significant role. The results of this meta-analysis validate CUVAF as a quantitative method to objectively measure outdoor exposure in relation with myopia development.
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Grants
- 01/0022-23 Doctoral fellowship funded by Miniciencias Bogotá, Colombia.
- PI20/00251 Instituto de Salud Carlos III through the project Co-funded by European Regional Development Fund "A way to make Europe"
- CUN 2019 Multiópticas
- (RD21/0017/0027) Redes de Investigación Cooperativa Orientadas al Resultado en Salud (RICORS) de Terapias avanzadas , Enfermedades Inflamatorias and Enfermedades vasculares cerebrales , Ministerio de Ciencia, Innovación y Universidades, Instituto de Salud Carlos III
- (RD21/0002/0010) Redes de Investigación Cooperativa Orientadas al Resultado en Salud (RICORS) de Terapias avanzadas , Enfermedades Inflamatorias and Enfermedades vasculares cerebrales , Ministerio de Ciencia, Innovación y Universidades, Instituto de Salud Carlos III
- (RD21/0006/0008) Redes de Investigación Cooperativa Orientadas al Resultado en Salud (RICORS) de Terapias avanzadas , Enfermedades Inflamatorias and Enfermedades vasculares cerebrales , Ministerio de Ciencia, Innovación y Universidades, Instituto de Salud Carlos III
- 01-20/21 Fundación Jesús Gangoiti Barrera
- Instituto de Salud Carlos III through the project Co-funded by European Regional Development Fund “A way to make Europe”
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Affiliation(s)
- Natali Gutierrez Rodriguez
- Grupo de Investigación en Optometría-Facultad de Optometría de la Universidad Antonio Nariño, Bogotá, Colombia
| | - Aura Ortega Claici
- Retinal Pathologies and New Therapies Group, Experimental Ophthalmology Laboratory, Department of Ophthalmology, Clinica Universidad de Navarra, Pamplona, Spain
- Faculty of Medicine, Universidad de Navarra, Pamplona, Spain
| | - Jorge A Ramos-Castaneda
- Research Group Innovación y Cuidado, Faculty of Nursing, Universidad Antonio Nariño, Neiva, Colombia
| | - Jorge González-Zamora
- Retinal Pathologies and New Therapies Group, Experimental Ophthalmology Laboratory, Department of Ophthalmology, Clinica Universidad de Navarra, Pamplona, Spain
- Department of Ophthalmology, Clínica Universidad de Navarra, Madrid, Spain
- Navarra Institute for Health Research, IdiSNA, Pamplona, Spain
| | - Valentina Bilbao-Malavé
- Retinal Pathologies and New Therapies Group, Experimental Ophthalmology Laboratory, Department of Ophthalmology, Clinica Universidad de Navarra, Pamplona, Spain
- Department of Ophthalmology, Bellvitge University Hospital, Barcelona, Spain
| | - Miriam de la Puente
- Retinal Pathologies and New Therapies Group, Experimental Ophthalmology Laboratory, Department of Ophthalmology, Clinica Universidad de Navarra, Pamplona, Spain
- Department of Ophthalmology, Clínica Universidad de Navarra, Madrid, Spain
- Navarra Institute for Health Research, IdiSNA, Pamplona, Spain
| | - Patricia Fernandez-Robredo
- Retinal Pathologies and New Therapies Group, Experimental Ophthalmology Laboratory, Department of Ophthalmology, Clinica Universidad de Navarra, Pamplona, Spain
- Department of Ophthalmology, Clínica Universidad de Navarra, Madrid, Spain
- Navarra Institute for Health Research, IdiSNA, Pamplona, Spain
| | - Sandra Johanna Garzón-Parra
- Grupo de Investigación en Optometría-Facultad de Optometría de la Universidad Antonio Nariño, Bogotá, Colombia
| | - Manuel Garza-Leon
- Clinical Science Department, Science of Health Division, University of Monterrey, San Pedro Garza García, Nuevo León, México
| | - Sergio Recalde
- Retinal Pathologies and New Therapies Group, Experimental Ophthalmology Laboratory, Department of Ophthalmology, Clinica Universidad de Navarra, Pamplona, Spain.
- Department of Ophthalmology, Clínica Universidad de Navarra, Madrid, Spain.
- Navarra Institute for Health Research, IdiSNA, Pamplona, Spain.
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Volatier T, Schumacher B, Cursiefen C, Notara M. UV Protection in the Cornea: Failure and Rescue. BIOLOGY 2022; 11:biology11020278. [PMID: 35205145 PMCID: PMC8868636 DOI: 10.3390/biology11020278] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Revised: 01/28/2022] [Accepted: 01/28/2022] [Indexed: 01/07/2023]
Abstract
Simple Summary The sun is a deadly laser, and its damaging rays harm exposed tissues such as our skin and eyes. The skin’s protection and repair mechanisms are well understood and utilized in therapeutic approaches while the eye lacks such complete understanding of its defenses and therefore often lacks therapeutic support in most cases. The aim here was to document the similarities and differences between the two tissues as well as understand where current research stands on ocular, particularly corneal, ultraviolet protection. The objective is to identify what mechanisms may be best suited for future investigation and valuable therapeutic approaches. Abstract Ultraviolet (UV) irradiation induces DNA lesions in all directly exposed tissues. In the human body, two tissues are chronically exposed to UV: the skin and the cornea. The most frequent UV-induced DNA lesions are cyclobutane pyrimidine dimers (CPDs) that can lead to apoptosis or induce tumorigenesis. Lacking the protective pigmentation of the skin, the transparent cornea is particularly dependent on nucleotide excision repair (NER) to remove UV-induced DNA lesions. The DNA damage response also triggers intracellular autophagy mechanisms to remove damaged material in the cornea; these mechanisms are poorly understood despite their noted involvement in UV-related diseases. Therapeutic solutions involving xenogenic DNA-repair enzymes such as T4 endonuclease V or photolyases exist and are widely distributed for dermatological use. The corneal field lacks a similar set of tools to address DNA-lesions in photovulnerable patients, such as those with genetic disorders or recently transplanted tissue.
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Affiliation(s)
- Thomas Volatier
- Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 62, 50937 Cologne, Germany; (C.C.); (M.N.)
- Correspondence:
| | - Björn Schumacher
- Cologne Excellence Cluster for Cellular Stress Responses, Aging-Associated Diseases (CECAD) and Center for Molecular Medicine (CMMC), University of Cologne, Joseph-Stelzmann-Strasse 26, 50931 Cologne, Germany;
| | - Claus Cursiefen
- Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 62, 50937 Cologne, Germany; (C.C.); (M.N.)
- Center for Molecular Medicine Cologne (CMMC), Faculty of Medicine and University Hospital Cologne, University of Cologne, 21, 50931 Cologne, Germany
| | - Maria Notara
- Department of Ophthalmology, Faculty of Medicine and University Hospital Cologne, University of Cologne, 62, 50937 Cologne, Germany; (C.C.); (M.N.)
- Cologne Excellence Cluster for Cellular Stress Responses, Aging-Associated Diseases (CECAD) and Center for Molecular Medicine (CMMC), University of Cologne, Joseph-Stelzmann-Strasse 26, 50931 Cologne, Germany;
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Mackey DA, Lingham G, Lee SSY, Hunter M, Wood D, Hewitt AW, Mitchell P, Taylor HR, Hammond CJ, Yazar S. Change in the prevalence of myopia in Australian middle-aged adults across 20 years. Clin Exp Ophthalmol 2021; 49:1039-1047. [PMID: 34378302 DOI: 10.1111/ceo.13980] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 07/27/2021] [Accepted: 08/06/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND The prevalence of myopia is increasing globally including in Europe and parts of Asia but Australian data are lacking. This study aim described the change in myopia prevalence in middle-aged Australian adults over approximately a 20-year period. METHODS Two contemporary Western Australian studies (conducted in mid-late 2010s): the coastal-regional Busselton Healthy Ageing Study (BHAS) and the urban Gen1 of the Raine Study (G1RS) were compared to two earlier studies (early-mid 1990s) in Australia: the urban Blue Mountains Eye Study (BMES) and urban/regional Melbourne Visual Impairment Project (MVIP). Refractive error was measured by autorefraction, vertometry, or subjective refraction. Participants (49-70 years) of European descent without self-reported/diagnosed cataract, corneal disease, or refractive or corneal surgery were included. RESULTS After exclusions, data were available from 2217, 1760, 700, 2987 and 756 participants from BMES, urban MVIP, regional MVIP, BHAS, and G1RS, respectively. The mean age ranged from 57.1 ± 4.6 years in the G1RS to 60.1 ± 6.0 years in the BMES; 44-48% of participants were male. When stratified by location, the contemporary urban G1RS cohort had a higher age-standardised myopia prevalence than the urban MVIP and BMES cohorts (29.2%, 16.4%, and 23.9%, p < 0.001). The contemporary coastal-regional BHAS had a higher age-standardised myopia prevalence than the regional MVIP cohort (19.4% vs. 13.8%, p = 0.001). CONCLUSIONS We report an increase in myopia prevalence in older adults in Australia born after World War ll compared to cohorts born before, accounting for urban/regional location. The prevalence of myopia remains relatively low in middle-aged Australian adults.
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Affiliation(s)
- David A Mackey
- Centre for Ophthalmology and Visual Science (incorporating the Lions Eye Institute), University of Western Australia, Perth, Western Australia, Australia
| | - Gareth Lingham
- Centre for Ophthalmology and Visual Science (incorporating the Lions Eye Institute), University of Western Australia, Perth, Western Australia, Australia
| | - Samantha Sze-Yee Lee
- Centre for Ophthalmology and Visual Science (incorporating the Lions Eye Institute), University of Western Australia, Perth, Western Australia, Australia
| | - Michael Hunter
- School of Population and Global Health, University of Western Australia, Perth, Western Australia, Australia.,Busselton Population Medical Research Institute, Busselton, Western Australia, Australia
| | - Diane Wood
- School of Population and Global Health, University of Western Australia, Perth, Western Australia, Australia
| | - Alex W Hewitt
- Centre for Ophthalmology and Visual Science (incorporating the Lions Eye Institute), University of Western Australia, Perth, Western Australia, Australia
| | - Paul Mitchell
- Department of Ophthalmology (Centre for Vision Research, Westmead Hospital), Westmead Millennium Institute, Sydney, New South Wales, Australia
| | - Hugh R Taylor
- Melbourne School of Population Health, The University of Melbourne, Melbourne, Victoria, Australia
| | - Christopher J Hammond
- Department of Twin Research and Genetic Epidemiology, Kings College London, St. Thomas' Hospital, London, UK
| | - Seyhan Yazar
- Centre for Ophthalmology and Visual Science (incorporating the Lions Eye Institute), University of Western Australia, Perth, Western Australia, Australia.,Single Cell and Computational Genomics Lab, Garvan Institute of Medical Research, Sydney, New South Wales, Australia
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