Many people are talking about or heard about bifocal specs. I am wondering whether they know there are actually two kinds of bifocal specs: progressive bifocal specs and traditional bifocal specs. What’ their difference?
Progressive bifocals are different from traditional bifocals. The former type can offer wearers contemporary appearance, while the latter one can do nothing about that. This is because traditional bifocal lenses have visible segment lines separating the two lens powers. These lines constantly suggest that the wearers are elderly. In contrast, progressive reading glasses free from those lines enable wearers to be cosmetically younger. Vision correction provided by them is more natural.
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