Visual impairment : a global view /
McLannahan, Heather.
Open University.
Oxford ; New York : Oxford University Press ; Milton Keynes [England] : In association with The Open University,
2008.
Includes DVD-ROM in pocket attached at back.
Includes bibliographical references (p. 101-103) and index.
Vision disorders.
Accompanying disc is available for use on a standalone workstation within the library for single users. Disc will require installation.