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. 1991;229(4):358-62.
doi: 10.1007/BF00170695.

Determination of spatial coordinates in ocular fluorometry

M Larsen  1 , P Dalgaard, H Lund-Andersen
Affiliations

Determination of spatial coordinates in ocular fluorometry

M Larsen et al. Graefes Arch Clin Exp Ophthalmol. 1991.

Abstract

A method has been developed for the determination of spatial coordinates of ocular fluorescence measurements made by a non-contact-lens type of fluorometer (Fluorotron, Coherent Inc., Palo Alto, Calif., USA). The method is based upon a mathematical model of the instrument and the eye. The model is adapted to the individual eye by the extraction of information from the fluorescence scan and the use of keratometry to determine the radius of curvature of the anterior corneal surface. The validity of the model was examined by comparison of the ocular axial length as measured by fluorometry vs ultrasonometry in 26 eyes of healthy human subjects. The results of fluorometry differed from those of ultrasonometry by less than +/- 2%.

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