Academic Journal
Expediency of the Automated Perimetry Using the Goldmann V Stimulus Size in Visually Impaired Patients with Glaucoma
العنوان: | Expediency of the Automated Perimetry Using the Goldmann V Stimulus Size in Visually Impaired Patients with Glaucoma |
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المؤلفون: | Adriana M. Morgan, Livia S. Mazzoli, Cristiano Caixeta-Umbelino, Niro Kasahara |
المصدر: | Ophthalmology and Therapy, Vol 8, Iss 2, Pp 305-311 (2019) |
بيانات النشر: | Adis, Springer Healthcare |
سنة النشر: | 2019 |
المجموعة: | Directory of Open Access Journals: DOAJ Articles |
مصطلحات موضوعية: | Automated perimetry, Glaucoma, Psychophysics, Stimulus size, Visual field, Ophthalmology, RE1-994 |
الوصف: | Introduction White-on-white standard automated perimetry (AP) uses a white round stimulus with 0.43° diameter and 4.0 mm2 area (Goldmann size III). Patients with low vision have difficulty seeing such a small stimulus and are often tested with perimetry using the size V stimulus with 1.72° diameter and 64 mm2 area. We undertook an observational case-control study to compare the performance of patients on AP using two differently sized stimuli. Methods Patients with glaucoma and visual acuity worse than 20/100 underwent AP using the standard size III stimulus Swedish Interactive Threshold Algorithm (SITA) standard test and size V stimulus full threshold test. All patients were familiar with the procedure, having done the test at least twice previously. Another group of glaucoma patients with visual acuity better than 20/40 served as controls. The main outcome measures included test time, mean retinal sensitivity (MRS), foveal sensitivity (FS), fixation loss (FL), false positive (FP), false negative (FN), and the patient's subjective preference. Results Fifty patients were included in the study. Most preferred the size V stimulus target size test. For glaucoma patients, test time was shorter with size III; MRS and FS were higher with size V; FL, FP, and FN did not differ between the tests. Conclusion AP with stimulus size V may be a good alternative to standard size III in selected visually debilitated patients who report difficulty undergoing a standard SITA 24-2 test. |
نوع الوثيقة: | article in journal/newspaper |
اللغة: | English |
تدمد: | 2193-8245 2193-6528 |
Relation: | http://link.springer.com/article/10.1007/s40123-019-0175-9; https://doaj.org/toc/2193-8245; https://doaj.org/toc/2193-6528; https://doaj.org/article/6ac023c1f6c84a17a73284088780bfba |
DOI: | 10.1007/s40123-019-0175-9 |
الاتاحة: | https://doi.org/10.1007/s40123-019-0175-9 https://doaj.org/article/6ac023c1f6c84a17a73284088780bfba |
رقم الانضمام: | edsbas.DDEB920C |
قاعدة البيانات: | BASE |
تدمد: | 21938245 21936528 |
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DOI: | 10.1007/s40123-019-0175-9 |