Editorial
Pulsatile ocular blood flow
| The first 150 words of the full text of this article appear below. |
Although the eye is the only organ in the body in which blood vessels are readily visible, a technique for the accurate and reproducible measurement of ocular blood flow and its component parts has proved elusive.1 The increasing likelihood of a multifactorial pathogenesis for glaucoma and possible importance of optic nerve head perfusion in the pathogenesis of glaucoma has added impetus to the search for a clinical method of measuring ocular blood flow.
The pulsatile variation in ocular pressure results from flow of blood
into the eye during cardiac systole. First recorded in 1850 by
Wegner,2 various methods have been tried to record the
pulsatile variation in intraocular pressure. Langham and
co-workers3 adapted the pneumotonometer to measure
intraocular pressure every 30 ms thus obtaining an accurate record of
the pulsatile change in pressure. They hypothesised that the pressure
pulse could be converted into a volume pulse using the known relation
between ocular
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Br. J. Ophthalmol. 1998 82: 731-736.[Abstract] [Full Text] [PDF]
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