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Subspecialties Health Economics and Policy, Imaging & Diagnostics

In the Field

Visual field testing is integral to the diagnosis and monitoring of patients with glaucoma and neuro-ophthalmic diseases. Perimetry has predominantly relied on automated devices that are large and cumbersome – and clearly not practical outside of the testing room.

They also require the patient to maintain constant fixation for several minutes, which can be difficult or stressful for patients with learning difficulties, for the elderly, or for those who are simply nervous during the visual field test. Patients with musculoskeletal problems and those who have to maintain a horizontal position may have unreliable, artifact-laden results or may be unable to assume the correct position for the test.

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About the Authors

Reza Razeghinejad

Specialist at the Glaucoma service of Wills Eye Hospital, USA.


Aakriti G. Shukla

Specialist at the Glaucoma service of Wills Eye Hospital, USA.

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