Your aunt uses her new Windows 10 laptop to read articles. However, she finds that reading for long periods strains her eyes. You want to adjust the test on the screen to make it easier for your aunt

Custom scaling allows precise adjustments to the size of text, apps, and other items, but lowering the screen resolution is a more fundamental display change that affects the physical size of all content, which is often the direct cause of eye strain.

Adjusting the screen resolution to a lower setting causes all elements on the display, including text, to appear physically larger. This direct increase in the apparent size of text can significantly reduce eye strain for users who find small fonts difficult to read over long periods.

ClearType is a font rendering technology that smooths the edges of text on LCD monitors to improve clarity, but it does not change the actual size of the text itself, which is typically the primary factor for eye strain when reading small fonts.

The option to change the text size of menus only affects the text within system menus and some user interface elements, not the general text content found within articles or web pages, which is where the user is experiencing eye strain.