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Modifying factors related to asymmetric diabetic retinopathy
1Kobe University School of Medicine, Department of Ophthalmology, Japan.
Purpose:
To identify the modifying factors related to the development of proliferative diabetic retinopathy (PDR).
Methods:
Thirty-eight eyes of 19 non-insulin-dependent diabetes mellitus (NIDDM) patients with maintained asymmetric PDR were retrospectively reviewed.
Results:
Five patients with ipsilateral carotid stenoses > or = 90% had PDR. Four patients with high myopia over 6 dioptres and 4 patients with optic atrophy and at least a quadrant defect in the visual field had non-proliferative diabetic retinopathy. Of 6 patients with unilateral asteroid hyalosis, 5 had no posterior vitreous detachment (PVD) and PDR.
Conclusion:
Two factors reached statistical significance as factors modifying PDR: carotid occlusive disease and PVD. Optic atrophy and high myopia showed trends of being a protective influence.