Transitions Photochromatic Lenses - This lens adjusts to the intensity of light by darkening outdoors and lightening indoors. The fourth-generation Transitions®, introduced in 2002, features a higher activation rate of up to 70% in 30 seconds.
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Transitions Photochromatic Lenses - This lens adjusts to the intensity of light by darkening outdoors and lightening indoors. The fourth-generation Transitions®, introduced in 2002, features a higher activation rate of up to 70% in 30 seconds.
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