Glaucoma screening: analysis of conventional and telemedicine-friendly devices

Authors: Kumar, Sajeesh; Giubilato, Antonio¹; Morgan, William¹; Jitskaia, Ludmila¹; Barry, Chris¹; Bulsara, Max²; Constable, Ian J¹; Yogesan, Kanagasingam³

Source: Clinical & Experimental Ophthalmology, Volume 35, Number 3, April 2007 , pp. 237-243(7)

Publisher: Wiley-Blackwell

Abstract:

Purpose: 

Portable, telemedicine-friendly devices offer novel opportunity for screening and monitoring glaucoma in the remote and rural regions of the world. This study examines the effective combination of telemedicine-friendly screening devices for detection of glaucoma in relation with conventional, hospital-based devices. Methods: 

A total of 399 eyes were screened with telemedicine-friendly devices and conventional, hospital-based devices such as ophthalmoscope, tonometer and perimeter. Results: 

Combination of age and family history of glaucoma alone has a sensitivity of 35.6% (specificity 94.2%, area under the curve 0.81, correctly classified 81.1%) and an addition of telemedicine-friendly or conventional visual field tests optimized the sensitivity to 91.1% (specificity 93.6%, area under the curve 0.95, correctly classified 93%). Analysis indicates good agreement between vertical cup-to-disc ratio by ophthalmoscopy and digital image reading. An addition of intraocular pressure test does not change sensitivity (35.6%) and specificity (94.2%). Conclusion: 

This study indicates that evaluations of cup-to-disc ratio and visual field, using telemedicine-friendly devices, are most useful tools in screening for glaucoma. When used together these devices may be an alternative for conventional glaucoma screenings.

Keywords: glaucoma; screening; telemedicine

Document Type: Original article

DOI: http://dx.doi.org/10.1111/j.1442-9071.2007.01457.x

Affiliations: 1: Lions Eye Institute, Perth, Western Australia, Australia 2: School of Population Health, University of Western Australia, Nedlands, and 3: Centre of Excellence in e-Medicine and

Publication date: 2007-04-01

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• In this Subject: Anatomy & Physiology ,  Ophthalmology
• By this author: Kumar, Sajeesh ;  Giubilato, Antonio ;  Morgan, William ;  Jitskaia, Ludmila ;  Barry, Chris ;  Bulsara, Max ;  Constable, Ian J ;  Yogesan, Kanagasingam

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