An unusual case of high altitude-like retinopathy caused by anemia and thrombocytopenia at recreational altitude.

Purpose: To report an unusual presentation of high altitude-like retinopathy at recreational altitude after chemotherapy-induced anemia and thrombocytopenia.

Methods: Case report.

Results: A 43-year-old man undergoing chemotherapy for testicular cancer traveled to an altitude of 2,930 m and subsequently developed significant visual deficit in his right eye and was later diagnosed with bilateral severe high altitude-like retinopathy pathology with associated retinal hemorrhages.