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Myopia, genetics, and ambient lighting at night in a UK sample

Guggenheim, Jeremy Andrew, Hill, C. and Yam, T.F. 2003. Myopia, genetics, and ambient lighting at night in a UK sample. British Journal of Ophthalmology 87 (5) , pp. 580-582. 10.1136/bjo.87.5.580

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Abstract

Background: It has been reported that exposure to artificial lighting at night during the first 2 years of life was very strongly associated with subsequent myopia development. Methods: The strength of this association was tested in a UK sample for the first time. The study population comprised 122 university students. Results: Myopia occurred with approximately equal frequency in those who slept with and without light exposure at night. In contrast, two largely genetic factors, parental myopia and race, were both significantly associated with myopia development, as has been found previously. Conclusion: This study provides further support for the view that night-time light exposure during infancy is not a major risk factor for myopia development in most population groups. In a subset of this cohort for which spectacle prescriptions were available for both parents (49 trios), the heritability of ocular refraction was estimated to be 0.31.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Optometry and Vision Sciences
Subjects: R Medicine > RE Ophthalmology
Uncontrolled Keywords: myopia; genetics; ambient lighting
Publisher: BMJ Publishing Group
ISSN: 0007-1161
Last Modified: 04 Jun 2017 01:52
URI: http://orca.cf.ac.uk/id/eprint/5082

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Cited 28 times in Web of Science. View in Web of Science.

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