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KMID : 1159320200220010083
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Korean Journal of Vision Science
2020 Volume.22 No. 1 p.83 ~ p.92
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Comparison of Frequent Replacement Circle Soft Contact Lenses in Sagittal Depth
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Shin Dong-Ha
Kim Hyun-Il
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Abstract
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Purpose : This study was intended to evaluate the sagittal depth differences of frequent replacement circle soft contact lens commercially available producted by eleven domestic manufacturers.
Methods : Two specific parameters such as total diameter and base curve kept same for each contact lens experimented. The contact lenses were placed in each disposable polystyrene Petri dish that was parallel to the plane of the horizon and contained saline solution. The sagittal depth of each lenses was taken by integrated digital camera of slit lamp and measured.
Results : The sagittal depth of all lenses ranged from 3.26 to 3.67 mm and was 3.52±0.11mm in average. The calculated base curve based upon the measured sagittal depth ranged from 8.51 to 9.15 mm and was 8.73±0.17 mm in average.
Conclusion : Eleven frequent replacement circle soft contact lenses measured in this study were markedly discrepant in sagittal depth.
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KEYWORD
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Base curve, Circle soft contact lenses, Frequent replacement, Sagittal depth
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