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Blue-violet filtering contact lenses improve contrast sensitivity in low light and glare

Ophthalmology 360

Key Takeaways

  1. Blue-violet filtering lenses improved contrast sensitivity, especially in low light and glare conditions.
  2. Tear-film stability was similar between filtering and non-filtering lenses.
  3. Optical factors (coma, trefoil) influenced contrast sensitivity, while demographics did not.

Blue-violet filtering lenses can provide measurable benefits in contrast sensitivity, particularly in low-light and glare conditions, while maintaining comparable tear-film stability to non-filtering designs, according to a study.

In this study, 45 myopic adults were fitted with senofilcon-A daily disposable lenses, including a non-filtering design (OASYS) and a blue-violet filtering lens (MAX).

The filtering MAX lenses demonstrated significantly higher contrast sensitivity at medium-to-high spatial frequencies in both photopic and mesopic lighting, as well as at low-to-mid spatial frequencies in the presence of glare. Tear-film stability remained similar between the lens types, with no clinically meaningful differences observed.

Corneal aberration changes were minimal overall; however, increased coma and trefoil aberrations were associated with reduced contrast sensitivity during MAX lens wear. No demographic or pupil-related factors were found to influence outcomes.

Reference
Güler SD, Güler S, Tabakçı BN, et al. Effects of blue-violet light filtering and surface technologies on visual performance: a retrospective clinical comparison using daily silicone hydrogel contact lenses. Clin Exp Optom. 2026;1-10. doi: 10.1080/08164622.2026.2648954. Epub ahead of print. PMID: 41941759.

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