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Intraocular Pressure During Weight Lifting—Reply
Geraldo Magela Vieira, MD;
Robert Ritch, MD
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In reply
We would like to thank Dr Jonas for his interest in our article. He raises the interesting and valid question as to whether a rise in cerebrospinal fluid pressure (intracranial pressure [ICP]) during weight lifting would balance any rise in intraocular pressure (IOP).
An increase in jugular venous pressure leads to an increase in IOP and also to an increase in ICP. A correlation between ICP and IOP has been suggested in some small studies.1-3 We have also long wondered whether low ICP could be a contributing etiologic factor in normal-tension glaucoma. Such a correlation is anatomically plausible because the cerebrospinal fluid space surrounds the optic nerve sheath up to the point where the optic nerve enters the orbit, and an elevation in ICP may thus be directly transmitted to the globe. Another mechanism includes a rise in ophthalmic venous pressure . . . [Full Text of this Article]
AUTHOR INFORMATION
RELATED ARTICLE
Intraocular Pressure Variation During Weight Lifting
Geraldo Magela Vieira, Hildeamo Bonifácio Oliveira, Daniel Tavares de Andrade, Martim Bottaro, and Robert Ritch
Arch Ophthalmol. 2006;124(9):1251-1254.
ABSTRACT
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RELATED LETTER
Intraocular Pressure During Weight Lifting
Jost B. Jonas
Arch Ophthalmol. 2008;126(2):287-288.
EXTRACT
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