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Related to fluorescein sodium: uranine
a dye used for diagnosis of certain ocular diseases, differentiation or delineation of organ parts in surgery, and determination of circulation time.
fluorescein sodium(floor″es′ē-ĭn, floo″ŏr-) [ fluoresce + -in]
An orange-colored vegetable dye used to examine the eye. Topically, it is used to make visible defects in the corneal epithelium, such as those seen in dry eyes and corneal abrasions and ulcers. Intravenously injected fluorescein is used in retinal angiography to diagnose vascular leakage in the retina.