Corneal blood staining following autologous blood injection for hypotony maculopathy.

Hypotony is a common complication following trabeculectomy in which antimetabolites are used. Autologous blood injection is an accepted form of treatment for hypotony that occurs secondary to overfiltration; however, injection into the filtering bleb has been associated with a rise in intraocular pressure for some patients with chronic postoperative hypotony. The authors describe a patient in whom corneal blood staining with raised intraocular pressure and loss of vision occurred as a result of autologous blood injection.