History of Iridotomy / Knife-Needle vs. Scissors—Description of Author's V-Shaped Method

by S. Lewis Ziegler

[26] Mackenzie, William: Diseases of the Eye, 3rd. ed., London, 1840, p. 746, American edition, edited by Hewson, Philadelphia, 1855, p. 815.

[27] Lawrence, Sir William: Diseases of the Eye, American edition, edited by Hays, Philadelphia, 1854, p. 478.

[28] Transactions, Fourth Int. Ophth. Cong., London, 1872, p. 179.

[29] De Wecker, Louis: Annales d’Oculistique, Sept., 1873, p. 123, et seq.

[30] DeWecker et Landolt: Traité Complet d’Ophtalmologie, Paris, 1886, ii, p. 393.

[31] Amer. Jour. of the Med. Sciences, July, 1855, p. 82.

[32] This knife-needle has been carefully made for me by Luer, Paris, and by Ferguson, Philadelphia.

[33] Compare with millimeter scale beneath each diagram.