Constant visual observation, often abbreviated to "constant visual", is a term used in various Mental Health Services, Prisons and Special Schools to describe the status of a service user who poses a threat to themselves or a third party, and must therefore be kept under constant observation. This article needs to be cleaned up to conform to a higher standard of quality. ... Services are: plural of service Tertiary sector of industry IRC services Web services the name of a first-class cricket team in India This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... A special school, in the education system of The Netherlands, is a separate category from a public or private school. ...

In some jurisdictions, constant visual observations include a specification that a professional remains within one metre of the service user at all times.

Constant visual observations have been criticised by many service user groups.