Claire McDonnell looks at lissamine green dye, its action and its use.
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Lissamine green (LG) is a vital stain which stains membrane degenerate cells, dead cells and mucus. It is replacing rose bengal (RB) as the premier dye for conjunctival staining. Similar to RB, LG is not very visible within the tear film, and therefore any dye in the tear film does not obscure any staining pattern that is present. It is not as effective as fluorescein (FL) for investigation of corneal staining.
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