Retinalarteris

Retinalarteris refers to the arteries that supply blood to the retina, the light-sensitive tissue at the back of the eye. These arteries are crucial for the retina's function, delivering oxygen and nutrients necessary for vision. The central retinal artery, a branch of the ophthalmic artery, is the main source of blood for the retina. It divides into superior and inferior branches, which further subdivide to nourish the entire retinal surface.

Conditions affecting the retinal arteries can lead to significant vision impairment. Retinal artery occlusion, a blockage in one of these arteries, is a serious condition that can cause sudden, painless vision loss in the affected area. This blockage can be due to a blood clot, an embolus (a particle that travels from elsewhere in the body), or inflammation of the artery itself. Risk factors for retinal artery occlusion include high blood pressure, diabetes, high cholesterol, heart disease, and certain clotting disorders.

Changes in the appearance of the retinal arteries, such as narrowing, thickening, or irregularities, can also be indicative of systemic vascular diseases. Fundus examination by an ophthalmologist allows for the visualization of these vessels and can reveal signs of hypertension, atherosclerosis, or other underlying health issues. Monitoring the health of the retinal arteries is therefore an important aspect of both eye care and overall health assessment.