PORT ST. LUCIE — You are probably familiar with the popular Transitions eyeglass lenses that quickly adjust from clear to dark based on light conditions. You may even own a pair. Well, this innovative ...

ANSWER: They are called photochromic lenses. Photo is a word denoting light. Chromic is a word that designates a process producing change. Another common name is transition lenses. These lenses darken ...

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Blessed are those with perfect vision, but the rest of us poor, nearly blind souls know the torture that is looking for sunglasses when we already have to wear glasses. The options are Fitovers that ...