Measuring normal ocular torsion and its variation by fundus photography in children between 5-15 years of age.
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Date
2010-09
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Abstract
Cycloposition has been measured by various methods; however, fundus photography is the most reliable method to evaluate the torsion objectively. We did a prospective study to find out the disc foveal angle (DFA) and its variation in children without squint. We included 210 eyes of 105 children between the ages of 5-15 years. DFA was calculated using standard technique after taking a fundus photograph. The cycloplegic refraction was done and compared. The mean age was 10.6 ± 2.5 years. Mean DFA in right eye (RE) was 6.49 ± 3.25° (0-13°) and in left eye (LE) was 5.80 ± 3.29° (0-12°). The difference between the RE and LE was statistically not significant (P=0.131) (mean 1.15 ±1.39°). Mean DFA in emmetropic children was 6.1° ± 3.4° (n=112 eyes). DFA varies widely in children. The difference observed in DFA measurement for eyes with various refractive errors were compared with DFA measurements for emmetropic eyes.
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Keywords
Children, fundus photography, ocular torsion
Citation
Jethani Jitendra, Seethapathy G, Purohit Jaypraksh, Shah Deepak. Measuring normal ocular torsion and its variation by fundus photography in children between 5-15 years of age. Indian Journal of Ophthalmology. 2010 Sept; 58(5): 417-419.