Citation:Gomez-Salazar F,Campos-Romero A,Gomez-Campaña H,Cruz-Zamudio C,Chaidez-Felix M,Leon-Sicairos N,Velazquez-Roman J,Flores-Villaseñor H,Muro-Amador S,Guadron-Llanos AM,J J. Martinez-Garcia,Joel Murillo-Llanes,Jaime Sanchez-Cuen,Alejando Llausas-Vargas,Gerardo Alapizco-Castro,Ana Irineo-Cabrales,Enrique Graue-Hernandez,Tito Ramirez-Luquin,Adrian Canizalez-Roman.Refractive errors among children, adolescents and adults attending eye clinics in Mexico.Int J Ophthalmol 2017;10(5):796-802,doi:10.18240/ijo.2017.05.23
Refractive errors among children, adolescents and adults attending eye clinics in Mexico
Received:July 19, 2016  Revised:January 13, 2017
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DOI:10.18240/ijo.2017.05.23
Key Words:refractive errors; hyperopia; myopia; astigmatism
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Francisco Gomez-Salazar Salud Digna Para Todos, I.A.P, Culiacán Sinaloa 80000, Mexico
Abraham Campos-Romero Salud Digna Para Todos, I.A.P, Culiacán Sinaloa 80000, Mexico
Humberto Gomez-Campaña Salud Digna Para Todos, I.A.P, Culiacán Sinaloa 80000, Mexico
Cinthia Cruz-Zamudio Salud Digna Para Todos, I.A.P, Culiacán Sinaloa 80000, Mexico
Mariano Chaidez-Felix Salud Digna Para Todos, I.A.P, Culiacán Sinaloa 80000, Mexico
Nidia Leon-Sicairos CIASaP, School of Medicine, Autonomous University of Sinaloa, Culiacan Sinaloa 80246, Mexico; Pediatric Hospital of Sinaloa, Culiacan Sinaloa 80200, Mexico
Jorge Velazquez-Roman CIASaP, School of Medicine, Autonomous University of Sinaloa, Culiacan Sinaloa 80246, Mexico
Hector Flores-Villaseñor CIASaP, School of Medicine, Autonomous University of Sinaloa, Culiacan Sinaloa 80246, Mexico
Secundino Muro-Amador CIASaP, School of Medicine, Autonomous University of Sinaloa, Culiacan Sinaloa 80246, Mexico
Alma Marlene Guadron-Llanos CIASaP, School of Medicine, Autonomous University of Sinaloa, Culiacan Sinaloa 80246, Mexico
Javier J. Martinez-Garcia CIASaP, School of Medicine, Autonomous University of Sinaloa, Culiacan Sinaloa 80246, Mexico; Pediatric Hospital of Sinaloa, Culiacan Sinaloa 80200, Mexico
Joel Murillo-Llanes The Women's Hospital, Secretariat of Health, Culiacan Sinaloa 80127, Mexico
Jaime Sanchez-Cuen CIASaP, School of Medicine, Autonomous University of Sinaloa, Culiacan Sinaloa 80246, Mexico; Department of Gastroenterology, Regional Hospital, ISSSTE, Culiacán 80230, Sinaloa, Mexico
Alejando Llausas-Vargas CIASaP, School of Medicine, Autonomous University of Sinaloa, Culiacan Sinaloa 80246, Mexico
Gerardo Alapizco-Castro CIASaP, School of Medicine, Autonomous University of Sinaloa, Culiacan Sinaloa 80246, Mexico; Education and Research Department, Regional general Hospital No. 1, IMSS, Culiacan Sinaloa 80220, Mexico
Ana Irineo-Cabrales CIASaP, School of Medicine, Autonomous University of Sinaloa, Culiacan Sinaloa 80246, Mexico; Department of Gastroenterology, Regional Hospital, ISSSTE, Culiacán 80230, Sinaloa, Mexico
Enrique Graue-Hernandez Department of Cornea and Refractive Surgery, Institute of Ophthalmology "Conde de Valenciana", Mexico City 06800, Mexico
Tito Ramirez-Luquin Department of Cornea and Refractive Surgery, Institute of Ophthalmology "Conde de Valenciana", Mexico City 06800, Mexico
Adrian Canizalez-Roman CIASaP, School of Medicine, Autonomous University of Sinaloa, Culiacan Sinaloa 80246, Mexico; The Women's Hospital, Secretariat of Health, Culiacan Sinaloa 80127, Mexico
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Abstract:
      AIM: To assess the proportion of refractive errors in the Mexican population that visited primary care optometry clinics in fourteen states of Mexico.

    METHODS: Refractive data from 676 856 patients aged 6 to 90y were collected from optometry clinics in fourteen states of Mexico between 2014 and 2015. The refractive errors were classified by the spherical equivalent (SE), as follows: sphere+½ cylinder. Myopia (SE>-0.50 D), hyperopia (SE>+0.50 D), emmetropia (-0.50≤SE≤+0.50), and astigmatism alone (cylinder≥-0.25 D). A negative cylinder was selected as a notation.

    RESULTS: The proportion (95% confidence interval) among all of the subjects was hyperopia 21.0% (20.9-21.0), emmetropia 40.7% (40.5-40.8), myopia 24.8% (24.7-24.9) and astigmatism alone 13.5% (13.4-13.5). Myopia was the most common refractive error and frequency seemed to increase among the young population (10 to 29 years old), however, hyperopia increased among the aging population (40 to 79 years old), and astigmatism alone showed a decreasing trend with age (6 to 90y; from 19.7% to 10.8%). There was a relationship between age and all refractive errors (approximately 60%, aged 50 and older). The proportion of any clinically important refractive error was higher in males (61.2%) than in females (58.3%; P<0.0001). From fourteen states that collected information, the proportion of refractive error showed variability in different geographical areas of Mexico.

    CONCLUSION: Myopia is the most common refractive error in the population studied. This study provides the first data on refractive error in Mexico. Further programs and studies must be developed to address the refractive errors needs of the Mexican population.

PMC FullText Html:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5437471/
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