Original Research
Exploded representation of a refracting surface
African Vision and Eye Health | South African Optometrist: Vol 64, No 2 | a217 |
DOI: https://doi.org/10.4102/aveh.v64i2.217
| © 2005 W.H. Heath, W.F. Harris
| This work is licensed under CC Attribution 4.0
Submitted: 19 December 2005 | Published: 19 December 2005
Submitted: 19 December 2005 | Published: 19 December 2005
About the author(s)
W.H. Heath, Optometric Science Research Group, Department of Optometry, University of Johannesburg, PO Box 524, Auckland Park, 2006, South AfricaW.F. Harris, Department of Mathematics and Statistics, University of Johannesburg, PO Box 524, Auckland Park, 2006 South Africa
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PDF (252KB)Abstract
The concept of the exploded refracting sur-face is useful in the optics of contact lenses and vision underwater. The purpose of this paper is to show how to represent a refracting surface as an exploded pair of surfaces separated by a gap of zero width. The analysis is in terms of linear optics and allows for astigmatic and non-coaxial cases.
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