Document Detail

Object surface for applying a modified hartmann test to measure corneal topography.
MedLine Citation:
PMID:  18364869     Owner:  NLM     Status:  In-Data-Review    
A modified Hartmann test is proposed for measuring corneal topography. The plane screen with holes used in the typical Hartmann test is replaced with a curved object surface. This object surface yields a plane image for a spherical mirror surface. We show that the object surface is an oval of revolution that can be modeled by an ellipsoid. The plane image will be formed by a square array of circular spots, all with the same diameter. To obtain the square array in the image, we calculated the spatial distribution of the spots on the object surface.
Y Mejía-Barbosa; D Malacara-Hernández
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Applied optics     Volume:  40     ISSN:  0003-6935     ISO Abbreviation:  Appl Opt     Publication Date:  2001 Nov 
Date Detail:
Created Date:  2008-03-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0247660     Medline TA:  Appl Opt     Country:  United States    
Other Details:
Languages:  eng     Pagination:  5778-86     Citation Subset:  -    
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