1. Comparison of two methods of marking the visual axis on the cornea during radial keratotomy;Walsh;Am. J. Ophthalmol.,1984
2. The eye as an optical system;Bennett,1962
3. Geometrical Optics;Fry,1969
4. An analysis of retinal receptor orientation. II. Prediction for psychophysical tests;Enoch;Invest. Ophthalmol.,1971
5. A displaced Stiles-Crawford effect associated with an eccentric pupil;Bonds;Invest. Ophthalmol. Vis. Sci.,1978