Interest in the role that the nervous system may play in influencing the intraocular pressure or in providing a regulatory mechanism of intraocular fluid dynamics is by no means recent; nor is the interest in the effect that the act of accommodation or, more precisely, the contraction of the ciliary muscle may have on these parameters. Various hypotheses and generalizations from indirect evidence have been offered. However, definitive evidence has been, in general, lacking.
In recent years, a marked revival of interest in this area has become manifest; numerous workers have attempted investigations of this field, utilizing the various refinements in techniques of experimentation that have become available.
It would be to no advantage to survey the vast literature relevant to this subject or to emphasize the evident value of definitive information in this area and its importance in advancing our understanding of certain aspects of ocular physiology in general
ARMALY MF. Studies on Intraocular Effects of the Orbital Parasympathetic Pathway: I. Technique and Effects on Morphology. AMA Arch Ophthalmol. 1959;61(1):14–29. doi:10.1001/archopht.1959.00940090016003
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