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H.F. Gomez Goyeneche, S. Belalcazar; Is Height Another Risk Factor for Narrow Angles and Angle Closure Glaucoma in a Colombian Population . Invest. Ophthalmol. Vis. Sci. 2005;46(13):143.
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Purpose: To evaluate height and ocular biometry in narrow angles as risks factors for angle closure glaucoma: a cross sectional study. Methods: 905 subjects were included in a population screening for glaucoma prevalence and underwent measurement of height and complete ocular examination including indentation gonioscopy. Height ranges from subjects with narrow angles, angle closure glaucoma, and normal subjects were compared using chi square test. Ocular biometry was performed in the subjects classified to have narrow angles (n = 138 ), angle closure glaucoma from the Glaucoma clinic ( n = 19 ), and a random subgroup of 135 normal subjects. Biometry readings were compared and statistically analyzed using analysis of variance with a posthoc test of Tukey. Results: The most frequent range of height among subjects with narrow angles was 4’ 11" to 5’ 3", while the range for subjects with angle closure glaucoma was between 5’ 3" and 5’ 7". Among women, the most frequent range for narrow angle was between 4’ 11" and 5’ 3", but we could not find a preferential range for the glaucoma group, which can be attributed to the small sample. Axial length was shorter in both the glaucoma group and the narrow angle group compared to the normal group (p =0.000). Anterior chamber depth was shallower among subjects with narrow angles and those with glaucoma than those normal (p =0.000). No significant difference was noted in axial length ( p=0.985 ), anterior chamber depth (p=0.342 ) and lens thickness (p=0.731) between angle closure glaucoma and narrow angles eyes. Conclusions: The average height of the Colombian female participating in our study was between 4' 11" and 5' 3", which made us think initially that height was a risk factor for angle closure glaucoma. Unfortunately, due to the small sample of patients, an association between angle closure glaucoma and height could not be established. An association between height and narrow angles, however, could be established for women (p=0.003), but not for men (p=0.265). Colombian eyes with angle closure glaucoma and narrow angles seem to have significantly shorter axial lengths and shallower anterior chambers compared to the normal group.
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