[Acute unilateral loss of vision in a 38-year-old male patient].

Although Valsalva retinopathy is a rare condition, it should be considered in the differential diagnosis of an acute macular hemorrhage in an otherwise healthy young patient. In most cases the patient presents with sudden, painless visual deterioration and a central scotoma. It is essential to immediately acquire a medical history because patients have typically undertaken strenuous physical activity in the recent past.