Central contrast sensitivity perimetry discriminates between glaucomatous and non-glaucomatous eyes.

Autor:	Abu EK; Department of Optometry and Vision Science, College of Health and Allied Sciences, University of Cape Coast, Ghana., Abraham CH; Department of Optometry and Vision Science, University of Cape Coast, Cape Coast, Central Region, Ghana., Dadzie AK; Department of Optometry and Vision Science, College of Health and Allied Sciences, University of Cape Coast, Ghana., Morny EA; Department of Optometry and Vision Science, College of Health and Allied Sciences, University of Cape Coast, Ghana., Ntodie M; Department of Optometry and Vision Science, College of Health and Allied Sciences, University of Cape Coast, Ghana., Ocansey S; Department of Optometry and Vision Science, College of Health and Allied Sciences, University of Cape Coast, Ghana., Abokyi S; Department of Optometry and Vision Science, College of Health and Allied Sciences, University of Cape Coast, Ghana., Owusu-Ansah A; Department of Optometry and Vision Science, College of Health and Allied Sciences, University of Cape Coast, Ghana., Addo NA; Department of Optometry and Vision Science, College of Health and Allied Sciences, University of Cape Coast, Ghana., Williams M; Department of Optometry and Vision Science, College of Health and Allied Sciences, University of Cape Coast, Ghana., Aboagye-McCarthy A; Department of Optometry and Vision Science, College of Health and Allied Sciences, University of Cape Coast, Ghana., Sakyi-Badu G; Department of Optometry and Vision Science, College of Health and Allied Sciences, University of Cape Coast, Ghana., Hope PKF; Bishop Ackon Memorial Christian Eye Clinic, Cape Coast, Ghana., Adueming PO; Lasor and Fibre Optics Unit, College of Agriculture and Natural Sciences, University of Cape Coast, Ghana.
Jazyk:	angličtina
Zdroj:	Therapeutic advances in ophthalmology [Ther Adv Ophthalmol] 2023 Oct 30; Vol. 15, pp. 25158414231208284. Date of Electronic Publication: 2023 Oct 30 (Print Publication: 2023).
DOI:	10.1177/25158414231208284
Abstrakt:	Background: Glaucoma is an optic neuropathy which causes irreversible vision loss. Standard perimetry, which is essential for glaucoma diagnosis, can only detect glaucomatous visual filed loss when considerable structural damage has occurred. Contrast sensitivity is one of the visual function tests that is reduced in eyes with glaucoma. It is known to be affected in pre-perimetric stages of glaucoma. Objective: The objective of this study was to investigate the discriminating ability of central contrast sensitivity perimetry in eyes with and without glaucoma. Design: The study employed a cross-sectional study design. Methods: The study participants were made of two groups; eyes diagnosed with glaucoma by an ophthalmologist based on visual field test and optical coherence tomography (OCT) and age- and sex-matched controls who were declared free from glaucoma. Static contrast sensitivity (CS) was measured in the central 10° of visual field using a custom psychophysical test. Results: There were 45 eyes with glaucoma and 45 age- and sex-matched controls in this study. The static CS in the glaucoma group was significantly reduced in 9 out of the 13 tested locations in the central 10° of the visual field. The mean static CS at 5°, 10°, superior hemifield and inferior hemifield were all significantly reduced in the glaucoma patients compared to the controls. Conclusion: Static CS measurement is a sensitive approach that can be utilized to aid in the detection of glaucoma. The use of static CS can be adopted in the development of a cost-effective yet sensitive screening tool for the detection of glaucoma. Competing Interests: The authors declare that there is no conflict of interest. (© The Author(s), 2023.)
Databáze:	MEDLINE
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