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Venous collateral remodeling in a patient with posttraumatic glaucoma.
J R Piltz-Seymour1, M R Piccone, F Pathay
1Scheie Eye Institute, University of Pennsylvania Health Systems, Philadelphia, USA. piltz@mail.med.upenn.edu
American Journal of Ophthalmology
|September 11, 1999
Summary
This study documents the development and regression of optic disc venous collaterals in a patient with traumatic glaucoma. These asymptomatic vessels can form due to chronic venous obstruction, even without retinal hemorrhages.
Area of Science:
- Ophthalmology
- Vascular Biology
- Glaucoma Research
Background:
- Traumatic glaucoma can lead to complex vascular changes within the optic nerve head.
- Understanding venous collateral development is crucial for managing intraocular pressure and preventing further optic nerve damage.
Observation:
- Fundus photography captured the dynamic process of venous collateral formation, remodeling, and eventual disappearance.
- These collateral vessels arose from venous occlusion on the optic disc surface.
Findings:
- Asymptomatic chronic branch retinal vein obstruction can induce collateral vessel development.
- The absence of retinal hemorrhages does not preclude the formation of these venous collaterals.
Implications:
- Increased intraocular pressure, arteriosclerosis, and glaucomatous cupping are identified as risk factors for optic disc venous occlusions.
- This photographic documentation provides valuable insights into the natural history of venous collateralization in glaucoma.