Abnormal retinal vascular morphology Abnormal retinal vein morphology 2025-01-31T09:45:36Z A condition characterized by structural abnormalities of the retinal veins, including tortuosity, dilation, narrowing, or irregularities in branching patterns. These changes may be associated with systemic or ocular diseases such as retinal vein occlusion, diabetic retinopathy, or hypertensive retinopathy.