1. Statistics obtained from the National Society for the Prevention of Blindness, 50 West 50th Street, New York, New York.
2. Hydrophthalmus or congenital glaucoma;Anderson,1939
3. Incisione dell'angolo irideo nel glaucoma;De Vincentiis;Ann. di Ottal., Pavia,1893
4. A new operation for chronic glaucoma;Barkan;Amer. Jour. Ophth.,1936