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Concept

Cataract

Clouding of the eye’s lens that blurs vision.

3 links, 2 backed by primary records

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How each side tells it

According to American Academy of Ophthalmology

According to National Eye Institute

According to World Health Organization

Connections 3

followed from

Proof 3 sources
  1. How to Choose the Best Sunglasses to Avoid Sun Damage, American Academy of Ophthalmology, 20 Jul 2026. Scholarship & press
    These UV rays—including UV-A and especially UV-B—damage the eye’s surface, cornea, and lens. That damage can lead to cataracts, macular degeneration, and other eye conditions that can permanently damage your sight.
  2. Protecting your eyes from the sun’s UV light, National Eye Institute, 5 Jul 2022. Primary record
    Prolonged exposure to UV rays modifies lens proteins, leading to cataract formation and worsening eyesight.
  3. Ultraviolet radiation (fact sheet), World Health Organization, 21 Jun 2022. Primary record
    Worldwide, it is estimated that 15 million people are blind due to cataracts; of these, some 10% may be due to exposure to UVR.
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