How does increased intracranial pressures (ICP) cause transient vision loss (TVL)?

Updated: May 21, 2019
  • Author: Andrew J Tatham, MD, MBA, FRCOphth, FEBO, FRCS(Ed); Chief Editor: Andrew G Lee, MD  more...
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Answer

Answer

Increased ICP is a well-known cause of transient vision loss (ie, transient visual obscurations lasting seconds at a time). Increased pressure in the CSF can transfer through the optic sheath and cause compression on the optic nerve. The increased intracranial pressure can also cause retinal dysfunction through choroidal compression folds, choroidal neovascularization, and, in severe cases, serous retinal elevation around the nerve head. [8]


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