a progressive additional lens (PAL) might be an option. PALs are a type of multifocal lens specifically for people who need corrective lenses to see distant and close up objects. To put it plainly ...

A progressive lens design is like a bi- or tri-focal lens in that it corrects more than one vision problem at a time. However, these lenses have no visible lines, improving the cosmetic appearance of ...

The most common type of multifocal ... like a computer screen. There are also progressive lenses, which have no line, and start with your distance prescription at the top and progressively ...

They're sometimes called multifocal lenses. Progressive lenses are an update on bifocal and trifocal lenses. Both of these more traditional types of glasses have telltale lines in the lenses.