April 2014
Volume 55, Issue 13
Free
ARVO Annual Meeting Abstract  |   April 2014
Visual Function in a Large Cohort of Mexican Population
Author Affiliations & Notes
  • Aida Jimenez-Corona
    Ocular Epidemiology, Instituto de Oftalmología Conde de Valenciana, IAP, Mexico City, Mexico
  • Carlos Pantoja-Melendez
    Ocular Epidemiology, Instituto de Oftalmología Conde de Valenciana, IAP, Mexico City, Mexico
  • Enrique O Graue
    Department of Cornea and Refractive Surgery, Instituto de Oftalmología Conde de Valenciana, IAP, Mexico, City, Mexico
  • Footnotes
    Commercial Relationships Aida Jimenez-Corona, None; Carlos Pantoja-Melendez, None; Enrique Graue, None
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science April 2014, Vol.55, 157. doi:
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      Aida Jimenez-Corona, Carlos Pantoja-Melendez, Enrique O Graue; Visual Function in a Large Cohort of Mexican Population. Invest. Ophthalmol. Vis. Sci. 2014;55(13):157.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose: To determine the risk factors associated with decreased visual function (VF) in adult population.

Methods: The study was conducted in the State of Tlaxcala in Mexico. The sampling design included a random selection of municipalities and neighborhoods; households were chosen by systematic sampling. Comorbidities as diabetes, hypertension, and previous diagnosis of cataract were included. Best-corrected visual acuity was measured using the Snellen chart and VF was determined with the VF-14 score.

Results: The mean age was 64.6 years (s.d. 10.5 years). There were 645 (40.2%) men and 958 (59.8%) women. Significant median differences of the VF-14 score were observed by sex (women 87 [IQR 66-97]; men 93 [IQR 75-100]), by degree of visual impairment (normal vision 93 [IQR 76-100]; mild 85 [IQR 59.95]; moderate 59 [IQR 37-87]; and severe visual impairment 50 [IQR 33-79]), and by previous diagnosis of cataract (with cataract 75 [IQR 50-97]; without cataract 91 [IQR 72-98]). Differences by diabetes were also noted (diabetic subjects 87 [IQR; 63-97]; non-diabetic subjects 91 [IQR 71-98]). In a multiple linear regression analysis, a lower VF-14 score was observed in women compared with men (difference 4.0, p<0.001), and in mild (difference 8.8, p<0.001), moderate (difference 24.7, p<0.001) and severe visual impairment (difference 30.7, p<0.001) compared with normal vision.

Conclusions: Visual function was worse in women compared with men even after adjustment for visual acuity and comorbidities.

Keywords: 464 clinical (human) or epidemiologic studies: risk factor assessment • 760 visual search  
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