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The vitreous in retinal arterial occlusions
T Hikichi1, N Fujio, C L Trempe
1Schepens Eye Research Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA 02114.
Retina (Philadelphia, Pa.)
|January 1, 1994
Summary
Retinal arterial occlusion does not appear to cause posterior vitreous detachment (PVD). Studies show PVD prevalence is similar in eyes with and without retinal arterial occlusion.
Area of Science:
- Ophthalmology
- Retinal Vascular Diseases
- Vitreoretinal Interface
Background:
- Posterior vitreous detachment (PVD) is a common age-related condition.
- Retinal arterial occlusion (RAO) affects blood flow in the retina.
- The relationship between RAO and PVD development is not well understood.
Purpose of the Study:
- To determine if retinal arterial occlusion (RAO) is a risk factor for developing posterior vitreous detachment (PVD).
Main Methods:
- Retrospective analysis of vitreous condition using biomicroscopy.
- Inclusion of 52 eyes with RAO and 50 fellow eyes as controls.
Main Results:
- PVD was observed in 52% of eyes with RAO and 50% of control eyes.
- No statistically significant difference in PVD prevalence was found between the RAO and control groups.
- Long-term follow-up (over 1 year) showed similar PVD development rates (5%) in both groups.
Conclusions:
- Retinal arterial occlusion does not clinically influence the development of posterior vitreous detachment.
- RAO is unlikely to be an etiological factor for PVD.