Retial Vein Occlusion

A retinal vein occlusion is a blockage of a vein that hinders blood drainage from the artery to the eye. This produces bleeding, swelling, the loss of blood flow to the retina. It is more frequent in old people who have a history of high blood pressure and atherosclerosis. It can also occur due to clotting problems, vasculitis, and it has also been related to the use of oral contraceptives. It can affect a vein branch, or the central retinal vein, generating a more severe condition.

Symptoms: abrupt and painless vision decrease, compromising part of the visual field.

Treatment: Depending on the condition, there are several alternatives for the treatment. These include the anti-angiogenic therapy, laser on the retina, and in specific cases of vasculopathic macular edema which are refractory to previous treatments, the use of extended-release intravitreal corticoid (OZURDEX). To prevent the repetition of these vascular events, general check-ups are essential in order to evaluate cardiovascular risk factors that contributed to the condition (blood pressure, atherosclerosis).

Fotografía color de Campo amplio de la retina (DAYTONA) de un caso de Trombosis venosa hemiretinal inferior, donde se observan abundantes hemorragias, exudados blandos y edema en la zona inferior de la retina del ojo derecho.

Tomografía de coherencia óptica (OCT, Heidelberg Engeenering) donde se observa la presencia de edema macular significativo.

Retinografía color de campo amplio (Daytona) de un cuadro de Trombosis de la vena central de la retina. Son evidentes las múltiples hemorragias dispersas en todo el fondo del ojo del paciente.

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