In addition (or instead of) enlarging the text, some people find it more helpful to increase the contrast, invert the colors, turn everything into a grayscale, or enlarge the size of the cursor.
Na mgbakwunye (ma ọ bụ kama) ịgbasa ederede ahụ, ụfọdụ ndị na-achọta ya dị ka aka inyekwu ọdịiche, gbanwee agba, gbanwee ihe niile n'ime ebe dị elu, ma ọ bụ gbasaa ọnụ ọgụgụ nke ọbụla ahụ.