This lens is also available in the Flat Top 35 style, and in the Executive of "Franklin" style. For the Flat Top 35 stye, the reading section is 35mm across thte top. For the Executive style, the line bisects the entire lens from one side to the other. After you have selected this lens, you will see the Flat Top 35 Upgrade option and the Executive Bifocal Upgrade option that you can then select. Crystal Vision Lenses are top quality lenses at a reasonable price point.