1. Health for all Children: A Programme for Child Health Surveillance;Hall,1989
2. Orthoptic visual screening at 3–5 years by Huntington Health Authority;Bearsdell;British Orthoptic Journal,1989
3. Orthoptists as pre-school screeners: a two year study;Edwards;British Orthoptic Journal,1989
4. Vision screening in pre-school children: comparison of orthoptists and clinical medical officers as primary screeners;Bolger;British Medical Journal,1991
5. Pre-school vision screening;Jarvis;Archives of Disease in Childhood,1991