Group #7 (“Clear” filters) – blocks 100% ~400-420nm – eye strain headaches Group #6 (Pink filters) – block 30-50% of blue light – migraines Group #5 (Light yellow filters)– block 60-70% of blue light – eye strain Group #4 (Pink filters) – block 70-80% of blue light – migraines Group #3 (Yellow filters)– block 100% ~400-460nm – eye strain Group #2 (Yellow filters)– block 100% ~400-490nm – insomnia, eyestrain Group #1 (Orange filters) – block 100% ~400-525nm – insomnia, eye strain headaches Group #0 (Red filters) – block 100% ~400-570nm* – insomnia, migraine** If you know exactly what blue blocking range you need If you are NOT sure on the best blue block range for you That’s essential to the therapeutic effect you’ll get. In the level of blue-blocking protection. Blue light screen filters: Specs & reviewsĮach blue light filter screen protectors is different:
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