Prophylaxis with aspirin should be considered

EDITOR,—Helen Ward and John S Yudkin have found no evidence that thrombolysis increases the risk of haemorrhage from retinopathy.1 This will increase doctors' confidence in choosing whether to use thrombolytic drugs for myocardial infarction in patients with diabetes. But the argument that prevented use of these drugs in people at risk of vitreous haemorrhage has always been flawed. Vitreous haemorrhage usually causes transient blindness, indicating that there is proliferative retinopathy that needs treatment. Laser treatment and, if necessary, vitrectomy are extremely effective in preventing further vitreous …