| Measuring near-induced transient myopia in college students with visual discomfort. | |
| | |
MedLine Citation:
|
PMID: 20802366 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
PURPOSE: Visual discomfort is a common problem, and our previous research indicated that 17% of college students experience moderate to high levels of discomfort when reading or studying. There have been several visual factors associated with visual discomfort, and in this study, we focused on measuring the near-induced transient myopia response in a group of college students with significant visual discomfort. METHODS: Visual discomfort was evaluated with a survey developed by Conlon et al. (Conlon et al., Visual Cogn 1999;6:637-663). Twelve college students with high visual discomfort (scoring 1 SD higher than the mean value) and 12 college students with low visual discomfort (scoring within 0.5 SD of the mean value) participated in the study. All students had 20/25 or better visual acuity, no strabismus, and no significant uncorrected refractive error. All refractive error and accommodative measurements were made with the WAM-5500 autorefractor. A pretask distance refraction at 6 m was taken for 60 s, and then the students read a story for 10 min at 20 cm. After reading the passage, the posttask distance refraction was measured for 2 min at 6 m. Values for the pre- and posttask measures were averaged in 10-s blocks of time. RESULTS: A mixed analysis of variance comparing discomfort group by pre- and postnear work distance refraction showed a significant interaction (p = 0.05). Comparing the means of the pre- and posttask distance refraction indicated that the high discomfort group showed no change in refractive error, but the low discomfort group showed a myopic shift of 0.13 diopter. CONCLUSIONS: A near-induced transient myopia response is not associated with high visual discomfort experienced by college students when reading or doing near work. |
| | |
Authors:
|
Eric Borsting; Chinatsu Tosha; Chris Chase; William H Ridder |
Related Documents
:
|
14696536 - Multicampus outbreak of hiv in north carolina spurs quick state action. prevention, tes... 20972616 - The relationship between parents' and children's automatic thoughts in a college studen... 17174846 - Readiness to change sugar sweetened beverage intake among college students. 17558616 - The psychometric properties and correlates of the reynolds' suicide ideation questionna... 15677836 - Best practices for physical activity programs and behavior counseling in older adult po... 22365876 - Novel educational approach for medical students: improved retention rates using interac... |
Publication Detail:
|
Type: Comparative Study; Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't |
Journal Detail:
|
Title: Optometry and vision science : official publication of the American Academy of Optometry Volume: 87 ISSN: 1538-9235 ISO Abbreviation: Optom Vis Sci Publication Date: 2010 Oct |
Date Detail:
|
Created Date: 2010-10-04 Completed Date: 2011-03-24 Revised Date: 2012-05-07 |
Medline Journal Info:
|
Nlm Unique ID: 8904931 Medline TA: Optom Vis Sci Country: United States |
Other Details:
|
Languages: eng Pagination: 760-6 Citation Subset: IM |
Affiliation:
|
Southern Californi College of Optometry, Fullerton, California 92831, USA. eborsting@scco.edu |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Accommodation, Ocular* Adolescent Female Humans Myopia / diagnosis*, physiopathology Optometry / methods* Reading Students* Visual Acuity* Young Adult |
| Grant Support | |
ID/Acronym/Agency:
|
R15EY015922/EY/NEI NIH HHS |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Factor analysis of the clinical characteristics of primary Sjogren syndrome.
Next Document: Prevention and treatment of meningitis and acute otitis media in children with cochlear implants.