1. Rabinowitz, Y. S., McDonnell, P. J., Caroline, P. J., and Zilge, L.: Corneal topographic analysis in family members of patients with keratoconus using a computer video photokeratoscope. ARVO abstracts. Supplement to Invest. Ophthalmol. Vis. Sci. Philadelphia, J. B. Lippincott, 1989, p. 188.
2. Corneal topography;Rowsey;Corneoscope. Arch. Ophthalmol.,1981
3. Wilson, S. E., Klyce, S. D., Insler, M. S., and Lind, D. T C.: Contact lens induced changes in corneal topography. ARVO abstracts. Supplement to Invest. Ophthalmol. Vis. Sci. Philadelphia, J. B. Lippincott, 1989, p. 218.