ArticleJournal of ophthalmic & vision research2025
The Effect of Tinted Filters on the Visual Function of Patients with Retinitis Pigmentosa.
Article in Journal of ophthalmic & vision research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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8 authors.
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Abstract
Purpose: To investigate the effect of tinted filters on contrast threshold (CT) and visual evoked potentials (VEPs) in patients with retinitis pigmentosa (RP). Methods: In this cross-sectional study, RP patients with best corrected visual acuity better than 1 log MAR were evaluated. The CT was measured using the Freiburg Acuity and Contrast Test, and pattern reversals were analyzed for both time and frequency components. The effects of gray (15% light transmission, 410 nm cutoff), brown (18% light transmission, 410 nm cutoff), and yellow (27% light transmission with a 470 nm cutoff) tinted filters were evaluated and compared. Results: Eighteen participants (mean age 32.78 Conclusion: Using tinted filters as a low-vision aid can modify contrast sensitivity and both frequency and time domains of VEPs in patients with RP. Yellow filters appear to improve visual function, whereas gray filters may worsen it.
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