1. Soemmerin DW . Beobachtungen über die organischen Veränderungen im Auge nach Staaroperationen. Frankfurt: WL Wesché, 1828.
2. Kappelhof JP, Vrensen GF, Vester CA, Pameyer JH, de-Jong PT, Willekens BL . The ring of Soemmering in the rabbit: a scanning electron microscopic study. Graefes Arch Clin Exp Ophthalmol 1985;223:111–20.
3. Jaffe NS, Jaffe MS, Jaffe GF . Cataract surgery and its complications, 5th ed. St Louis: Mosby, 1990:560–8.
4. Tonaki M, Hiraoka T, Kogure F . In vivo changes in epithelial cells following PEA using the lenses of albino rabbits. Nippon Ganka Gakkai Zasshi 1993;97:1028–33.
5. Sugar A, Sugar HS . Extraction of posteriorly dislocated Soemmering's rings. Ann Ophthalmol 1984;6:1357–60.