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A METHOD OF MEASURING PUPILLARY AQUEOUS FLOW
Author(s) -
Holm O.,
Krakau C. E. T.
Publication year - 1968
Publication title -
acta ophthalmologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.534
H-Index - 87
eISSN - 1755-3768
pISSN - 1755-375X
DOI - 10.1111/j.1755-3768.1968.tb02847.x
Subject(s) - bubble , cornea , materials science , optics , flow (mathematics) , pupil , aqueous solution , ophthalmology , biomedical engineering , chemistry , medicine , mechanics , physics
If the content of the anterior chamber of the living eye is stained with fluorescein introduced via the cornea (preferably by means of iontophoresis) and the dye is well mixed in the aqueousby movements of the eye or by increasing the convection, the newly formed aqueous is seen as an uncoloured “bubble” emerging from the pupil. The latter should be miotic. By a photogrammetric procedure, based on a “slicing” of the bubble into a number of optical sections, which are cine‐photographed, its volume can be estimated. If the size of the bubble is measured on two occasions, with known time interval‐a few seconds‐an estimate of the pupillary flow can easily be calculated. The procedure can be repeated an arbitrary number of times by mixing the content of the chamber before each measurement.