6. NIHSS: Visual - YouTube
2013年11月20日 · Visual fields (upper and lower quadrants) are tested by confrontation, using finger counting or visual threat, as appropriate. Patients may be encouraged, bu...
Humphrey Visual Field - StatPearls - NCBI Bookshelf
2023年8月25日 · A clinical comparison of visual field testing with a new automated perimeter, the Humphrey Field Analyzer, and the Goldmann perimeter.
Lessons Learned from 23 Years of Experience in Testing Visual …
2020年7月16日 · Children suffering from neurological impairment (NI) may show various visual impairments such as a decreased visual acuity, visual field defects (VFD), disorders of eye movements and disorders of higher visual processing, which may be diagnosed as cerebral visual impairment (CVI). 1–3.
Visual Field Tests: A Narrative Review of Different Perimetric
2024年4月23日 · Visual field (VF) testing dates back to fifth century B.C. It plays a pivotal role in the diagnosis, management, and prognosis of retinal and neurological diseases. This review summarizes each of the different VF tests and perimetric methods, including the advantages and disadvantages and adherence …
The frequency of visual field testing in a US nationwide cohort of ...
Visual field testing that isn’t frequent enough results in delayed identification of open angle glaucoma (OAG) progression. Guidelines recommend at least annual testing. It is not known how frequently patients with OAG across the US receive visual ...
The Frequency of Visual Field Testing in a US Nationwide
Purpose: Visual field testing that is not frequent enough results in delayed identification of open-angle glaucoma (OAG) progression. Guidelines recommend at least annual testing.
Virtual Reality–Based and Conventional Visual Field Examination ...
2010年10月12日 · Clinically evaluate the noninferiority of a custom virtual reality (VR) perimetry system when compared to a clinically and routinely used perimeter on both healthy subjects and glaucoma patients. We use a custom-designed VR perimetry system …
Reliability of Visual Field Testing in a Telehealth Setting Using a ...
Monitoring visual fields (VFs) through virtual reality devices proved to have good inter-test and test-retest reliability, as well as easy usability, when self-administered by individuals with and without VF defects in a remote setting.
Visual field testing for glaucoma – a practical guide - PMC
David C Broadway. Part 1 Understanding visual field testing. Examining visual fields is an integral part of a full ophthalmic evaluation. Several methods for assessing visual field loss are available, and the choice of which to use depends on the patient's age, health, visual acuity, ability to concentrate, and socio-economic status.
Is formal visual field testing essential prior to upper eyelid …
Most CCGs require all patients to undergo visual field testing (preferably automated perimetry) if their Marginal Reflex Distance-1 (MRD1) is not 1.0 mm or less, and a reduction of field to 120° laterally and 40° vertically should be demonstrated.