#$%^&*AU2015202819B220161027.pdf#####H:\dxIN navveroaRPor1thlDCC\RBR 7S341596_ doc -25/05/2015 Abstract The invention is directed to a staining composition and to the use of the staining composition in staining ocular tissue. In a first aspect, the invention 5 provides a staining composition comprising a vital dye and a density increasing compound chosen from the group consisting of water soluble polymers and small inert molecules.