The construction of a model eye for investigation of laser-tissue interactions in scanning laser ophthalmoscopy

Rakebrandt, Frank, North, Rachel Valerie ORCID: https://orcid.org/0000-0002-6657-5099, Erichsen, Jonathan Thor ORCID: https://orcid.org/0000-0003-1545-9853, Drasdo, N., Fowler, C., Cowey, A. and Morgan, James Edwards ORCID: https://orcid.org/0000-0002-8920-1065 2003. The construction of a model eye for investigation of laser-tissue interactions in scanning laser ophthalmoscopy. Optometry & Vision Science 80 (3) , pp. 252-258. 10.1097/00006324-200303000-00015

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Abstract

Purpose. To develop a model eye to study laser-tissue interactions during retinal imaging with scanning ophthalmoscopy. Methods. A model eye was designed to match the optical properties of the human eye based on the Bennett and Rabbetts schematic eye. Results. Alterations in axial length resulted in changes in refractive error similar to those in the human eye (3.70 D for 1 mm in axial length). Perfusion-fixed retinal tissue could be successfully imaged using the Heidelberg Retina Tomograph and Optical Coherence Tomograph to provide images that are similar in quality to those obtained in vivo. Conclusions. The model eye should be a valuable tool for investigating laser-tissue interactions during scanning laser ophthalmoscopy and the derivation of digital retinal and tomographic images. This model should also enable a determination of the accuracy with which digital imaging techniques, such as the optical coherence tomograph and Heidelberg Retina Tomograph, measure retinal structure.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Optometry and Vision Sciences Systems Immunity Research Institute (SIURI)
Subjects:	R Medicine > RE Ophthalmology
Uncontrolled Keywords:	model eye; optic disc; glaucoma; scanning laser ophthalmoscopy; optical coherence tomography; retina
Publisher:	American Academy of Optometry
ISSN:	1538-9235
Last Modified:	18 Oct 2022 14:32
URI:	https://orca.cardiff.ac.uk/id/eprint/17925

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