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Currently, intraocular lenses (IOLs) are divided into two types in relation to ultraviolet radiation (UVR), UVR-only and UVR+blue-light-absorbing IOLs. It has been widely accepted that UV is harmful to eyes.1 However, the benefit of UVR+blue-absorbing IOLs is still debatable. Recent research on blue-light-blocking IOLs has generated controversy as to whether blue-blocking IOLs should be used following cataract surgery patients.2 3
Other than blocking blue light, the spectral range and the light transmission percentage are also key points of IOLs with retina-protecting properties. Ideal IOLs would give patients a perfect postoperative visual performance not only with accuracy in diopteric power but also with a suitable spectral range and appropriate light-transmission percentage. The latter is still under discussion.
A method which …