1. Astigmatism in cataract surgery;Luntz;Br. J. Ophthalmol.,1977
2. Corneal astigmatism following cataract surgery;Rowan;Ann. Ophthalmol.,1978
3. Corneal astigmatism after cataract extraction. A comparison of corneal and corneoscleral incisions;Thygesen;Acta Ophthalmol. (Copenh.),1979
4. Postoperative astigmatism;Swinger;Surv. Ophthalmol.,1987
5. Astigmatic difference in refractive errors;Naylor;Br. J. Ophthalmol.,1968