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Digital imaging with a scanning laser ophthalmoscope

Digital imaging with a scanning laser ophthalmoscope
Digital imaging with a scanning laser ophthalmoscope
Many systemic diseases have ophthalmic manifestations with visible pathological features affecting the fundus of the human eye. Visualisation and documentation of anatomic structures of the ocular fundus provides valuable information leading to the diagnosis of various ocular diseases. The efficacy of any treatment will depend upon a reproducible method to evaluate not just the presence of disease but also its extent. Digital image processing techniques provides a means for quantifying the visible pathological features in fundus images of diseased eyes so that the natural progression and response to various forms of treatment, such as laser therapy, can be reliably monitored. A colour scanning laser ophthalmoscope (SLO) will satisfy the requirement of a true imager for the ophthalmologists and provide a powerful tool to the physicists for the development of image processing techniques for retinal imaging. The authors have developed a basic method of forming a true colour digital SLO image. Using the SLO developed at the authors' department, patients with retinal pathological conditions such as diabetic retinopathy, optic disc drusen and angloid streaks were imaged. Results are presented comparing the colour SLO image and the colour photograph from the fundus camera.
Manivannan, A,
5825e4a4-adb5-4186-a2cd-4ef9102d19d6
Hossain, Parwez
563de5fc-84ad-4539-9228-bde0237eaf51
Vieira, P.
61609f9e-7ce3-4bbf-9fce-b1721b96a3e5
Hipwell, J.
34b4020f-f53f-449c-b641-095901a9b989
Kirkpatrick, N.
e9639b58-917e-4b72-98f9-a8d80c489306
Lim, C.
221db4be-3485-4b54-90d3-925d9ad67562
Sharp, P.
e72e0547-8fe0-417b-8e93-ac51ba59811f
Forrester, J.
02b5bc7f-dc07-4033-87b7-736bb6bdc0dd
Manivannan, A,
5825e4a4-adb5-4186-a2cd-4ef9102d19d6
Hossain, Parwez
563de5fc-84ad-4539-9228-bde0237eaf51
Vieira, P.
61609f9e-7ce3-4bbf-9fce-b1721b96a3e5
Hipwell, J.
34b4020f-f53f-449c-b641-095901a9b989
Kirkpatrick, N.
e9639b58-917e-4b72-98f9-a8d80c489306
Lim, C.
221db4be-3485-4b54-90d3-925d9ad67562
Sharp, P.
e72e0547-8fe0-417b-8e93-ac51ba59811f
Forrester, J.
02b5bc7f-dc07-4033-87b7-736bb6bdc0dd

Manivannan, A,, Hossain, Parwez, Vieira, P., Hipwell, J., Kirkpatrick, N., Lim, C., Sharp, P. and Forrester, J. (1997) Digital imaging with a scanning laser ophthalmoscope. IET Proceedings Communications. (doi:10.1049/ic:19970684).

Record type: Meeting abstract

Abstract

Many systemic diseases have ophthalmic manifestations with visible pathological features affecting the fundus of the human eye. Visualisation and documentation of anatomic structures of the ocular fundus provides valuable information leading to the diagnosis of various ocular diseases. The efficacy of any treatment will depend upon a reproducible method to evaluate not just the presence of disease but also its extent. Digital image processing techniques provides a means for quantifying the visible pathological features in fundus images of diseased eyes so that the natural progression and response to various forms of treatment, such as laser therapy, can be reliably monitored. A colour scanning laser ophthalmoscope (SLO) will satisfy the requirement of a true imager for the ophthalmologists and provide a powerful tool to the physicists for the development of image processing techniques for retinal imaging. The authors have developed a basic method of forming a true colour digital SLO image. Using the SLO developed at the authors' department, patients with retinal pathological conditions such as diabetic retinopathy, optic disc drusen and angloid streaks were imaged. Results are presented comparing the colour SLO image and the colour photograph from the fundus camera.

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Published date: 26 April 1997

Identifiers

Local EPrints ID: 448156
URI: http://eprints.soton.ac.uk/id/eprint/448156
PURE UUID: 16c52199-1036-4c20-ab93-08a8ef10d52b
ORCID for Parwez Hossain: ORCID iD orcid.org/0000-0002-3131-2395

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Date deposited: 13 Apr 2021 16:31
Last modified: 17 Mar 2024 03:04

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Contributors

Author: A, Manivannan
Author: Parwez Hossain ORCID iD
Author: P. Vieira
Author: J. Hipwell
Author: N. Kirkpatrick
Author: C. Lim
Author: P. Sharp
Author: J. Forrester

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