1. Graft astigmatism. Prevention and correction;Troutman,1980
2. The principal problems of penetrating keratoplasty. Graft failure and graft astigmatism;Paton,1980
3. The effect of scleral fixation ring placement and trephine tilting on keratoplasty wound size and donor shape.;Olson;Ophthalmic Surg.,1981
4. Effect of tissue fit on corneal shape after transplantation.;Cohen;Invest. Ophthalmol. Vis. Sci.,1984
5. Effects of disparate-sized graft and recipient opening;Troutman,1980