Association between Antiplatelet or Anticoagulant Drugs and Retinal or Subretinal Hemorrhage in the Comparison of Age-Related Macular Degeneration Treatments Trials

Most retinal or subretinal hemorrhages in eyes enrolled in CATT were less than 1 DA. Among all CATT participants, antiplatelet or anticoagulant use was not associated significantly with hemorrhage, but it was associated significantly with hemorrhage in participants with hypertension.