On ophthalmic fundus exam, cotton wool spots may appear as small, yellow-white (or grayish-white), slightly elevated lesions, which look like clouds with a fimbriate border in the superficial retina. Usually they are less than 1/3 disc areas in diameter, and are commonly found in the posterior pole of the fundus [5] .

2023年6月12日 · Cotton wool spots (CWS) are fluffy white or yellow spots that can appear on the retina. While the spots themselves don’t typically cause problems, they often indicate an underlying condition. A CWS can be a cause for concern in an otherwise healthy individual.

Cotton wool spots are opaque fluffy white patches on the retina of the eye that are considered an abnormal finding during a funduscopic exam (also called an ophthalmoscopic exam). [1] Cotton wool spots are typically a sign of another disease state, …

2013年10月1日 · Cotton-wool spots (CWS) (Figure) are acute signs of vascular insufficiency to an area of retina. They have been described in many conditions, but only occasionally cause symptoms in patients. The most common symptoms associated with retinal CWS can include scotoma, arcuate defects, blurred vision, and amaurosis fugax.

2023年11月10日 · Cotton Wool Spots (CWS) are small, white or grayish lesions on the retina—the layer of cells at the back of the eye responsible for converting light into neural signals. These spots signify local ischemia, where blood flow to the retinal nerve fibers is reduced or obstructed, leading to their swelling and eventual necrosis.

2018年2月28日 · Cotton wool spots are an abnormal finding on fundoscopic exam of the retina in otherwise healthy patients. Cotton wool spots appear as puffy white patches on the retina.

2025年1月4日 · Symptoms of cotton wool spots include blurred vision and difficulty seeing in low light, and they are diagnosed through a comprehensive eye exam. Diabetes and high blood pressure are major risk factors for developing cotton wool spots in diabetic retinopathy.

2025年1月4日 · Symptoms of cotton wool spots in diabetic retinopathy may include blurred vision, difficulty seeing at night, and seeing floaters or spots. Treatment options for cotton wool spots in diabetic retinopathy may include controlling blood sugar …

2021年3月15日 · Take a closer look at how cotton wool spots manifest. A careful retinal examination is critical in order to evaluate each patient for various pathologies, some of which yield an underlying systemic cause. One of these potential retinal findings is …

White spots on retinal surface caused by microinfarction; Usually do not produce vision loss unless large or near fovea ; Causes are hypertension, diabetes, HIV, lupus, severe anemia or thrombocytopenia, hypercoagulable states, connective tissue disorders, viruses, lues, Behçet, Purtscher, and many others