Central retinal vein thrombosis associated with prothrombin 20210G/A gene variant.

We describe a patient with central retinal vein thrombosis associated with the prothrombin gene 20210G/A. The associated risk factors and the patient's personal and fam ily history of thrombosis are dealt with. In addition, the litera ture on the cases reported up to now is reviewed as is the prevalence of this new mutation in patients with central retinal vein thrombosis.