Staining composition with improved staining intensity
AssigneeD.O.R.C. Dutch Ophthalmic Research Center (International) B.V.
InventorGerrit Reinold Jacob Melles
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Abstract
A staining composition is provided with improved staining intensity. The composition comprises a vital dye and hyaluronic acid, wherein the vital dye comprises Chicago Sky Blue and Trypan Blue. The staining composition is used to stain the lens capsule during cataract surgery and provides sufficient contrast such that no air bubble needs to be injected in the anterior chamber during cataract surgery.
Claims12
A method of ocular surgery comprising 1) staining an ocular tissue or part thereof with a staining composition comprising Chicago Sky Blue and Trypan Blue as the only vital dyes and hyaluronic acid, wherein the weight ratio of Trypan Blue to Chicago Sky Blue is between 1:3 and 3:1, and 2) performing surgery on the stained ocular tissue or its surrounding tissue.
Dependencies are inferred from the claim text.