Abstract：
:Fluorescein angiography is an application of the physical phenomenon of fluorescence, which is phosphorescence in which the quantum mechanical decay curve is so rapid that it appears instantaneous, and it consequently has no afterglow. Sodium fluorescein is excited by light energy between 465 and 490 nm, and it decays into a lower state emitting light energy between 520 and 530 nm as fluorescent radiation. The free electrons available for excitation are reduced by chemical bonding between the fluorescein dye and plasma proteins to which up to 80% of the dye is bound in the bloodstream, thus reducing overall fluorescence. Optimalization of the observed and recorded fluorescence is afforded by providing exciter and barrier filters with as little overlap as possible to reduce or eliminate contrast reducing pseudofluorescence.
journal_name
Ophthalmologyjournal_title
Ophthalmologyauthors
Wolfe DRdoi
10.1016/s0161-6420(86)33521-8subject
Has Abstractpub_date
1986-12-01 00:00:00pages
1617-20issue
12eissn
0161-6420issn
1549-4713pii
S0161-6420(86)33521-8journal_volume
93pub_type
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