Impairment of color vision in aircraft maintenance workers

Guest, Maya; DʼEste, Catherine; Attia, John; Boggess, May; Brown, Anthony M.; Tavener, Meredith; Gibson, Richard; Gardner, Ian; Harrex, Warren; Ross, James A.

doi:10.1007/s00420-010-0600-9

Cited by 9 publications

(4 citation statements)

References 34 publications

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“…This pattern also holds for tritanopia. Individuals in older ages have a higher risk for developing ocular pathologies like cataract, 35 glaucoma,36, 37 retinal disorders, 38 systemic diseases (e.g., diabetes), 39 and more exposure to environmental factors which have influence on acquired color deficiency 40, 41, 42. All of these increase the risk of acquired CVD.…”

Section: Discussionmentioning

confidence: 99%

The prevalence of color vision deficiency in the northeast of Iran

Hashemi

Khabazkhoob

Pakzad

et al. 2019

Journal of Current Ophthalmology

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Purpose To determine the prevalence of color vision deficiency (CVD) in the northeast of Iran. Methods This cross-sectional, population-based study was conducted in Mashhad, in the northeast of Iran. Multistage cluster sampling was used for selecting the participants. After preliminary screening, the subjects underwent a complete ophthalmic examination. The examination included the measurement of visual acuity, refraction, and slit-lamp biomicroscopy. The Farnsworth D-15 test was used to detect CVD. The color vision test was done with the best optical correction. Results Of the 4453 invitees, 3132 participated in the study (response rate: 70.4%). The overall prevalence of CVD in this study was 13.93% [95% confidence interval (CI): 12.44–15.41]. The prevalence of CVD in males and females was 15.85% (95% CI: 13.26–18.44) and 12.96% (95% CI: 11.22–14.71), respectively. The most prevalent types of CVD were tritanopia (6.96%; 95% CI: 5.84–8.08), deuteranopia (3.92%; 95% CI: 3.14–4.70) and tritanomalous (2.21%; 95% CI: 1.55–2.86), respectively. According to the results of logistic regression, the odds of having protanopia were higher in females than males [Odds ratio (OR) = 4.80; 95% CI: 1.20–19.18]. The odds of having deuteranopia were lower in females than males (OR = 0.52; 95% CI: 0.35–0.76). The odds of having CVD were lower in 16–30 (OR = 0.52; 95% CI: 0.37–0.73) and higher in 46–60 (OR: 1.41; 95% CI: 1.01–1.97) year age groups compared to 7–15 year age group. The odds of having tritanopia in 16–30 and 46–60 year age groups was 0.56 (95% CI: 0.35–0.90) and 1.79 (95% CI: 1.19–2.67) compared to 7–15 year age groups, respectively. Conclusion The prevalence of CVD was high in this study, especially in males and people over 46 years of age. Planning for involvement of ocular disease control programs in health care systems can be helpful in the reduction of CVD and improving the quality of life in affected patients.

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Section: Discussionmentioning

confidence: 99%

The prevalence of color vision deficiency in the northeast of Iran

Hashemi

Khabazkhoob

Pakzad

et al. 2019

Journal of Current Ophthalmology

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“…Con base a este estudio, se puede decir que la probabilidad de presentar discromatopsia adquirida es 3.9 veces mayor si se consume alcohol, con lo cual concordamos con lo descrito por Guest en el 2010, al encontrar como factor de riesgo el consumo de alcohol y la presencia de discromatopsia adquirida. 31 La prevalencia de la discromatopsia adquirida no es directamente proporcional a la edad, quizá esto se deba a que estos pilotos en su mayoría son jóvenes, el promedio de edad fue de 31 años, en este estudio solo 3 pilotos rebasaron los 50 años de edad.…”

Section: Resultsunclassified

Prevalencia de discromatopsia en pilotos aviadores y factores laborales aeronáuticos, estu- dio comparativo

Pérez

Álvarez

2021

Rev Colomb Salud Ocup

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Introducción: Las personas con los defectos en la percepción del color cometen más errores, toman más tiempo en reaccionar y necesitan estar más cerca de los objetos con color, en comparación con los que ven los colores de manera normal, esta deficiencia se denomina discromatopsia o comúnmente denominada Daltonismo en honor a John Dalton (1794).Objetivo: Determinar la prevalencia de la discromatopsia en los pilotos aviadores y su relación con los factores laborales aeronáuticos.Métodos: Se realizó un estudio comparativo en tres grupos de estudio, dos grupos de pilotos aviadores y un grupo control, mediante el uso de dos métodos para diagnosticarla: las láminas de Ishihara y el Farnsworth Munsell 100 Hue y se realizó la primera etapa de un diagnóstico situacional laboral para identificar, enumerar, definir y analizar los riesgos que pudieran explicar las probables causas de la discromatopsia adquirida.Resultados: La prevalencia de discromatopsia en los pilotos aviadores y en el grupo control, para este estudio, fue similar a la descrita en la literatura. La frecuencia de la discromatopsia adquirida fue más alta en el grupo de pilotos de ala rotativa.Conclusión: Se encontró asociación estadística entre presentar discromatopsia adquirida y consumir alcohol.

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“…A higher proportion (76.9%) of those with CVD were aged > 20 years in this study. This could be potentially explained by the increased exposure to environmental factors among those with older age which influences the acquired color deficiency [17][18][19].…”

Section: Discussionmentioning

confidence: 99%

Prevalence of Color Vision Deficiency among Medical Students

Mz¹,

Uddin²,

Farooque³

et al. 2021

Preprint

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Introduction Color vision deficiency (CVD) constitutes one of the frequently observed eye disorders in all human populations. Color is a prominent sign utilized in the medical profession to study and identify histopathological specimens, lab instruments, and patient examination. Color deficiency affects the medical skills of students resulting in poor clinical examination and color appreciation. There is no effective screening of CVD at any level of the medical profession. Hence, this study was aimed to determine the prevalence of CVD among medical students. Materials and methods This was a cross-sectional study conducted from September 2019 to February 2020 over a period of six months in Karachi, Pakistan. All medical students aged 18-21 years of either gender enrolled in the first and second years of medical college were included in this study. The examination was performed during daylight. Ishihara plates were placed at a distance of 75 cm from the subject and tilted so that the plane of the paper lies perpendicular to the line of vision. Students were given five seconds to read the plate and one examiner was instructed to mark the checklist. A score of less than 12 out of 14 red/green test plates (not including the demonstration plate) was considered as a CVD. All statistical analysis was performed using Statistical Package for Social Sciences version 20.0 (Armonk, NY: IBM Corp). Results The mean age of the medical students was 19.61± 1.22 years. There were (n=123) 53.0% females and (n=111) 47.0% males. Most of the medical students (n=131, 56.0%) belonged to the upper-middle-class socioeconomic group. CVD was observed in (n=13) 6.0%of medical students. Age (p=0.001) and socioeconomic status (p=0.001) were the only demographic factors significantly associated with color deficiency. Conclusions Color deficiency, although an unnoticed concern, is fairly common among medical students. Medical students must be screened for CVD as this will enable them to be aware of their limitations in their future observational skills as a doctor and devise ways of overcoming them in clinical practice.

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Impairment of color vision in aircraft maintenance workers

Abstract: The results indicate reduced color discrimination among the exposed subjects compared to one of two control groups. The findings may be due to previous exposure to solvents among the air force personnel.

Cited by 9 publications

References 34 publications

The prevalence of color vision deficiency in the northeast of Iran

The prevalence of color vision deficiency in the northeast of Iran

Prevalencia de discromatopsia en pilotos aviadores y factores laborales aeronáuticos, estu- dio comparativo

Prevalence of Color Vision Deficiency among Medical Students

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