If you’re using a word processor such as Apple’s Pages or Microsoft’s Word, or a text editor such as Apple’s built-in TextEdit, you have numerous font and size options.
Most applications that let you compose text also let you adjust the font size. A few key techniques can increase the font size in applications where easy-to-see text makes the biggest difference. Whether your eyes are aging, your young eyes need glasses, or someone that you provide computer support for could use a boost in seeing the screen, no one should have to squint when surfing the Web, reading email, or writing documents.
When you’re on the other side of 50, as I am, you become less concerned about how fast your Mac is, and more interested in how well you can see the text it displays.