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Film intraocular lens: a new way to choose the light-transmission spectrum
  1. X Chen,
  2. C Huang,
  3. Y Li,
  4. W Wang
  1. Peking University Third Hospital, Haidian District, Beijing, PR China
  1. Professor W Wang, Peking University Third Hospital, No 49 Hua Yuan Bei Lu, Haidian District, 100191 Beijing, PR China; puh3_ww{at}

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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 …

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  • Competing interests: None.