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An executive bifocal is a lens designed for presbyopia where the reading segment (the near-vision zone) runs all the way across the bottom width of the lens. This design provides the largest possible reading area available in a bifocal lens.
read more about executive bifocal ...The defining characteristic is the straight line dividing the lens. The line runs horizontally across the full width of the lens. This design sacrifices the clean aesthetic of smaller bifocals for maximum reading utility.
The main benefit is the wide field of view for near work. Wearers can scan left and right across a wide desk, newspaper, or architectural plan without needing to move their head. This wide segment makes the lens suitable for people who do extensive close-up work.
A D-segment (or flat-top) bifocal has a small, D-shaped reading segment restricted to the bottom center of the lens. The executive bifocal's reading segment extends across the full width, offering much more peripheral near vision.
The executive bifocal provides maximum reading utility for backup glasses. This large reading area is a simple, effective solution for consistent near vision when your eyes are resting from contact lenses.
Yes, the horizontal line across the entire width of the lens is very noticeable and is the most visible bifocal segment type.
It is less common now, as progressive lenses are often preferred for cosmetic reasons, but the executive bifocal is still used when the widest reading field is needed.
It is not ideal for the computer, as the intermediate (arm's length) power is not included in the design.
The Executive bifocal offers a full-width reading segment. If you are an accountant, drafts person, or artist who needs an uninterrupted field for close work, this is a better medical option than a narrow progressive. Consult your doctor about the weight and thickness trade-offs.
Review of Optometry. The Executive Bifocal (reviewofoptometry.com). 2024.
ABDO. Ophthalmic Lens Segments (abdo.org.uk). 2023.
The Vision Council. Multifocal Lens Standards (thevisioncouncil.org). 2024.
AAO. History of Ophthalmic Lenses (aao.org). 2024.