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Machine Learning Algorithms for Improved Glaucoma Diagnosis

Author

Summary, in English

Primary open angle glaucoma, one of the leading causes of blindness in the world, constitutes a slow progressing condition characterized by damage to the optic nerve and retinal nerve fibre layer, and results in visual field defects afflicting the visual function. Highly specific and sensitive diagnostic tests able to detect the clinically significant glaucomatous changes in the structure of the nerve fiber layer and visual field are therefore required for the early detection and management of this disease. This thesis treats the application of advanced statistical techniques based on machine learning for automated classification of tests from visual field examinations and retinal nerve fibre measurements to detect glaucoma. Diagnostic performance of the applied machine learning classification algorithms was shown to depend primarily on the type of test information that was provided. Optimized parameters from standard automated perimetry tests and OCT measurements of the nerve fibre layer derived from statistical processing to highlight statistically significant functional and structural changes, led to improvements in diagnostic accuracy. Moreover, the combination of structural and functional test information through incorporation of á priori knowledge about the anatomical relationship of the retinal nerve fibre layer and the visual field further increased the diagnostic performance of the automated classification algorithms. Machine Learning Classifiers based on optimized test input data could become useful decision support tools for more accurate glaucoma diagnosis.

Publishing year

2011

Language

English

Publication/Series

Lund University Faculty of Medicine Doctoral Dissertation Series

Volume

2011:70

Document type

Dissertation

Publisher

Department of Clinical Sciences, Lund University

Topic

  • Ophthalmology

Status

Published

Research group

  • Ophthalmology (Malmö)

ISBN/ISSN/Other

  • ISSN: 1652-8220
  • ISBN: 978-91-86871-20-8

Defence date

15 October 2011

Defence time

09:15

Defence place

MFC Lilla Aulan, Ingång 59, Skånes Universitetssjukhus, Malmö

Opponent

  • Anja Tuulonen (Professor)