1. An analysis of corneal transplantation: II. Postoperative astigmatism;Cherry PMH;Ann Ophthalmol.,1979
2. Refractive errors following keratoplasty;Jensen AD;Trans Am Ophthamol Soc.,1974
3. Astigmatism and myopia in keratoconus;Troutman RC;Trans Am Ophthalmol Soc.,1972
4. A comparison of penetrating keratoplasty and lamellar keratoplasty in the surgical management of keratoconus;Richard JM;Am J Ophthalmol.,1978
5. Surgical advances and results of keratoconus;Troutman RC;Am J Ophthalmol.,1980