REFERENCES
- Duke-Elder, W. S.: Textbook of Ophthalmology. St. Louis, C. V. Mosby Company, 1940, vol. 3, p. 3102.
- Cordes, F. C.: Cataract types. Tr. Am. Acad. Ophth., 1948, p. 16.
- Sautter, Hans: Die Trübungsformen der menschlichen Linse. Stuttgart, Georg Thieme Verlag, 1951, pp. 5, 7, 8.
- Kirby, D. B.: Surgery of Cataract. Philadelphia, J. B. Lippincott Company, 1950, p. 652.