To learn about their environment, hearing-impaired children rely almost entirely on their visual senses.

If added to the auditory handicap, a visual handicap would affect such a child more than it would affect a normal child.

A reduced ability to see to a degree that causes problems that cannot be fixed by ordinary means, such as glasses.

Some also include those with a reduced ability to see because glasses or contact lenses are not accessible to them.

Visual aids are the teaching aids used in the classroom to promote the learning process for students.

In order to access printed information, students who are blind or visually impaired will typically need adaptations that will allow the student to access all areas of the curriculum.

A letter, word, number, or symbol is represented by the number and position of raised dots.

Materials on backgrounds that offer high contrast to the objects being viewed are usually best presented.

Using trays to contain activities within sight can also be helpful.

When selecting worksheets and materials for students with low vision, special attention needs to be given.

The highest quality worksheets and materials that provide good clarity and are accessible and appropriate for the unique visual needs of the student need to be provided to students with low vision.