Abstract: Blue-light filtering introcular lens (IOLs) can effectively filter out some of the short wavelength blue light and are expected to provide protection to the fundus. Research confirms that blue light-filtering IOLs do not significantly affect postoperative color vision, sleep quality, or contrast sensitivity. Several long-term cohort studies have provided new evidence-based medical evidence for retinal protection, but some studies still suggest that blue light-filtering IOLs do not have significant advantages over clear IOLs.

Key words: introcular lens/blue-light filtering, color vision, contrast sensitivity, sleep quality