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CL Shufelt, R VarmaLALES Group; Ocular Biometry in a Latino Population: The Los Angeles Latino Eye Study (LALES) . Invest. Ophthalmol. Vis. Sci. 2002;43(13):1498.
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Purpose: To describe age and gender related differences in ocular biometry in an adult Latino population. Methods: The Los Angeles Latino Eye Study is a population-based study of Latinos aged 40 years and older. All participants received a complete eye examination, which included measurement of axial length (AL), anterior chamber depth (ACD), lens thickness (LT), and vitreous chamber depth (VCD) using an ultrasonic A-scan. Noncycloplegic refractive error (SE) was measured with an autorefractor and refined further with subjective refraction. Age and gender related differences were analyzed using multiple regression analysis. Results: 2798 participants were included in this analysis. The mean (± SD) AL, ACD, LT, VCD, and SE were 23.35 ± 1.05mm, 3.43 ± 0.35mm, 4.40 ± 0.66mm, 15.47 ± 1.41mm, and 0.17 ± 2.02 diopters respectively. After controlling for age, women had significantly smaller AL, ACD and VCD compared to men (p<0.001). Older individuals had shallower ACD, greater LT and were more hyperopic compared to younger individuals. Conclusion: Ocular dimensions vary with age and gender in this population-based sample of adult Latinos. The age-related differences in ocular dimensions may explain the hyperopic shift seen in older Latinos.
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