International Journal of Image, Graphics and Signal Processing(IJIGSP)

ISSN: 2074-9074 (Print), ISSN: 2074-9082 (Online)

Published By: MECS Press

IJIGSP Vol.4, No.9, Sep. 2012

Techniques of Glaucoma Detection From Color Fundus Images: A Review

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Malaya Kumar Nath,Samarendra Dandapat

Index Terms

Glaucoma, Optic neuropathy, Intraocular pressure, Cup area to Disc area ratio


Glaucoma is a generic name for a group of diseases which causes progressive optic neuropathy and vision loss due to degeneration of the optic nerves. Optic nerve cells act as transducer and convert light signal entered into the eye to electrical signal for visual processing in the brain. The main risk factors of glaucoma are elevated intraocular pressure exerted by aqueous humour, family history of glaucoma (hereditary) and diabetes. It causes damages to the eye, whether intraocular pressure is high, normal or below normal. It causes the peripheral vision loss. There are different types of glaucoma. Some glaucoma occurs suddenly. So, detection of glaucoma is essential for minimizing the vision loss. Increased cup area to disc area ratio is the significant change during glaucoma. Diagnosis of glaucoma is based on measurement of intraocular pressure by tonometry, visual field examination by perimetry and measurement of cup area to disc area ratio from the color fundus images. In this paper the different signal processing techniques are discussed for detection and classification of glaucoma.

Cite This Paper

Malaya Kumar Nath,Samarendra Dandapat,"Techniques of Glaucoma Detection From Color Fundus Images: A Review", IJIGSP, vol.4, no.9, pp.44-51, 2012.


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