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These are electronic eyeglasses with autofocus lenses that adjust focus in real time, so the wearer does not switch between reading and distance pairs. The appeal is one pair for near and far tasks, aimed at people who juggle readers, progressives or prescription swaps. Autofocus eyewear is a niche category; rivals such as traditional progressive lenses are simpler and cheaper, while electronic autofocus models carry battery and weight trade-offs. Buyers should weigh convenience against charging, durability and how the lenses handle fast focus changes.
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