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Optic disc size in central retinal vein occlusion.
A M Mansour1, J B Walsh, P Henkind
1Department of Ophthalmology, Montefiore Medical Center/Albert Einstein College of Medicine, Bronx, NY.
Ophthalmology
|February 1, 1990
Summary
Optic disc size does not appear to be a predisposing factor for central retinal vein occlusion (CRVO). This study found no significant differences in optic disc parameters between patients with CRVO and control groups.
Area of Science:
- Ophthalmology
- Retinal Vascular Diseases
Background:
- Central retinal vein occlusion (CRVO) is a significant cause of vision loss.
- Predisposing factors for CRVO include systemic disorders and glaucoma.
- Recent research explored potential links between optic nerve head anatomy and ischemic optic neuropathies.
Purpose of the Study:
- To investigate the relationship between optic disc parameters and the development of central retinal vein occlusion (CRVO).
- To determine if optic disc size or configuration is a risk factor for CRVO.
Main Methods:
- Analysis of optic disc parameters (horizontal disc diameter, cup-to-disc ratio) in 57 patients with unilateral CRVO.
- Comparison of affected eyes, fellow eyes, and 27 control subjects.
- Inclusion of only ocular normotensive patients.
Main Results:
- No statistically significant difference was observed in horizontal disc diameter between CRVO eyes, fellow eyes, and control eyes.
- The cup-to-disc ratio showed no significant variation across the studied groups.
- These findings indicate optic disc size is not a differentiating factor.
Conclusions:
- Optic disc size and cup-to-disc ratio are not associated with central retinal vein occlusion (CRVO).
- The study suggests that anatomical variations in optic disc size do not predispose individuals to CRVO.