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Anterior ischemic optic neuropathy. IV. Occurrence after cataract extraction
Archives of Ophthalmology (Chicago, Ill. : 1960)
|August 1, 1980
Summary
Post-cataract-extraction anterior ischemic optic neuropathy (PCE-AION) is linked to high intraocular pressure after surgery. Prophylactic measures can prevent PCE-AION in the second eye.
Area of Science:
- Ophthalmology
- Neurology
Background:
- Cataract extraction is a common procedure.
- Anterior ischemic optic neuropathy (AION) can occur postoperatively.
Observation:
- 13 eyes developed post-cataract-extraction AION (PCE-AION) immediately after uncomplicated cataract surgery.
- Early signs include optic disc edema and visual-field defects.
- The optic disc becomes pale after approximately two months.
Findings:
- A significant rise in intraocular pressure (IOP) during the immediate postoperative period is a critical factor in PCE-AION development.
- Eyes with vulnerable optic nerve head circulation are at higher risk.
- There is a high risk of PCE-AION in the second eye of patients previously affected.
Implications:
- PCE-AION requires differentiation from AION in aphakic eyes.
- Prophylactic measures are crucial for preventing PCE-AION in the fellow eye.
- Understanding the role of IOP is vital for managing and preventing this complication.