Trifocal lenses correct three types of vision: close-up, intermediate, and distance. You may be more familiar with correction for distances far away and near, but you likely use your intermediate ...
SAN FRANCISCO — Trifocal intraocular lenses offer better near vision, whereas extended depth of focus (EDOF) lenses might be more suitable for older patients, new research suggests. "There is no ...
Trifocal intraocular lenses (IOLs) represent the latest in premium lens technology. They are tiny, artificial lenses that are implanted into the eye during a cataract or lens replacement procedure.
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