ソフトコンタクトレンズ装用時の形状変化がレンズ度数に及ぼす影響

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タイトル別名
  • Influence on Lens Diopter of the Shape Change by the Soft Contact Lens Wearing
  • ソフトコンタクトレンズ ソウヨウジ ノ ケイジョウ ヘンカ ガ レンズ ドスウ ニ オヨボス エイキョウ

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Recently, a study to evaluate the optical properties of wearing CL has begun to improve the quality of vision. The soft contact lens (SCL) consists of an optics region, intermediate region and bevel, which improves the wearing feeling mainly. Because soft contact lens is composed of a soft material, it is deformed along the cornea when it is worn on the eye. In the present report, the shape of the commercial SCL is measured firstly by the light-section method. Then, the shape change of wearing SCL is calculated using a finite element method. At the end, influence on the lens diopter of the shape change of the SCL was investigated by CODE V. As a result, the focal length shortened by a shape change of SCL, and in the case of a lens of -6 Diopter, the lens changed than the diopter unit (0.25D) of production.

収録刊行物

  • 実験力学

    実験力学 16 (1), 66-70, 2016

    日本実験力学会

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