Retinal vein occlusion

Numéro d’image : 11839075
Retinal vein occlusion
Retinal vein occlusion. Ophthalmoscope image of the retina of a patient suffering from occlusion of a branch vein in the retina. The occlusion occurs as the circulation of blood is obstructed,usually by an adjacent blood vessel. This leads to haemorrhages (red streaks) and a lack of blood flow to part of the retina. In a branch vein occlusion,one of the smaller veins supplying the retina is affected,and the symptoms include sudden blurring of part of the visual field,or the development of a large blind spot. This may resolve over time as the haemorrhage dissipates. Risk factors include hypertension,diabetes and cardiovascular disease
Licence : Droits gérés
Crédit: Science Photo Library / Parker, Paul
Taille de l’image : 5082 px × 3437 px
Model Release : Non requis
Property Release : Non requis
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