1. Induced astigmatism as a result of surgery;Bedrossian, P.B.; Sabata, G.; Troutman, R.C.
2. Corneal astigmatism change related to cataract incision location. In: Proceedings of the 2nd Biennial cataract surgical congress;Jaffe, N.,1971
3. Corneal astigmatism change related to cataract incision location. In: Proceedings of the 2nd Biennial cataract surgical congress;Troutman, R.C.,1971
4. Microsurgical control of corneal astigmatism in cataract and keratoplasty;Troutman, R.C.;Trans Am Acad Ophthalmol Otolaryngol
5. Control of astigmatism after surgery and trauma;Roper-Hall, M.J.;BrJ Ophthalmol,1982