Allow the use of a marker for reading. Shorten assignments, reading, writing and math, that require the visual modality. Offer a transparency to these students to copy since every time they go from the near to far distance they must readjust their eyes. Require less copying from the board or overhead. That near and far action is tough for a student with vision concerns.
Oral tests are good.
In conclusion, although this list is not a comprehensive list of all strategies to use with these students, it is a start. Remember that many of these students are in regular education, they are good kids, they want to learn and we can help. Visit our list of links to learn more.