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Continuous Gradient Index and Shell Models of the human Lens

Atchison, David A. & Smith, George (1995) Continuous Gradient Index and Shell Models of the human Lens. Vision Research, 35(18), pp. 2529-2538.

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Abstract

Because of the complexity of tracing rays through a gradient refractive index medium, the human eye’s lens is sometimes approximated by a shell structure with constant refractive index within shells. In the shell model, power arises from a combination of an axial variation in index and the curvatures of the shell surfaces. We develop an equation which gives the power due to the gradient index of the lens, and use this to choose shell models that have the same power as the continuous gradient index model. Some types of shell models are described and evaluated.

Impact and interest:

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53 citations in Web of Science®

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ID Code: 5110
Item Type: Journal Article
Additional Information: For more information, please refer to the journal’s website (see link) or contact the author. Author contact details: d.atchison@qut.edu.au
Keywords: gradient refractive index, lens, raytracing
DOI: 10.1016/0042-6989(95)00019-V
ISSN: 0042-6989
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > OPTOMETRY AND OPHTHALMOLOGY (111300)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 1995 Elsevier
Deposited On: 28 Sep 2006
Last Modified: 15 Jan 2009 17:12

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