物性の異なる粘弾性物質を用いた白内障手術

概要

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A cataract is clouding of lens that causes visual disturbance. Age-related cataract is very common. Surgery is the only effective treatment for improvement of visual acuity. Such treatment involves removing the lens and replacing it with an artificial intraocular lens. A viscoelastic substance has both high viscosity and elasticity, so it is widely used to create and reserve space in cataract surgery. Using viscoelastic substance facilitates cataract surgery and reduces corneal endothelial damage. (Corneal endothelium has the function of keeping cornea clear.) Therefore, a viscoelastic substance is a necessary tool in cataract surgery.<BR>Recently, Arshinoff reported a technique using viscoelastic substances with different physical properties to protect the corneal endothelium (soft-shell technique). The soft-shell technique to maximize the advantages and minimize the disadvantages of both types uses dispersive and cohesive viscoelastic substances together in sequence based on the deaired surgical goal. I would like to describe the usefulness of the soft-shell technique in cataract surgery.
日本バイオレオロジ-学会の論文