Thickness extrema at the edge of astigmatic lenses including those with straight, circular and elliptical edges

Ophthalmic and Physiological Optics - Tập 16 - Trang 163-170 - 1996
W.F. Harris1
1Optometric Science Research Group, Department of Optometry, Rand Afrikaans University, PO Box 524, Auckland Park, 2006 South Africa