β thalassemia is a hereditary hemolytic disease caused by the defect of β globin gene.Transfusion-dependent β thalassemia patients need long-term blood transfusion to survive,and a series of systemic and ocular complications will occur in the disease itself and long-term blood transfusion.Retinal blood vessel density decreases,retinal thickness thinned and elastic pseudoxanthoxanoma syndrome are found in fundus due to long-term anemia and side effects of iron chelating agent.At present,there are few reports about eye changes in thalassemia patients,and the cognition is relatively scarce.Therefore,it is necessary to be vigilant for physicians,deeply explore the cause and symptomatic treatment,combined with individual disease characteristics,to provide a more scientific and accurate plan for clinical treatment.
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