However, a small magnitude or intermittent strabismus can easily be missed upon casual observation. In any case, an eye care professional can conduct various tests, such as cover testing, to determine the full extent of the strabismus. Symptoms of strabismus include double vision and/or eye strain. To avoid double vision, the brain may adapt by ignoring one eye. In this case, often no noticeable symptoms are seen other than a minor loss of depth perception.
About trade unions. Trade unions are groups of employees who join together to maintain and improve their conditions of employment. The typical activities of a trade union include providing assistance and services to their members, collectively bargaining for better pay and conditions for all workers, working to improve the quality of public services, political campaigning and industrial action.
The Congress of South African Trade Unions (COSATU) is a trade union federation in South Africa. It was founded in 1985 and is the largest of the countryâs three main trade union federations, with 21 affiliated trade unions, altogether organising 1.8 million workers.he wheel in the logo represents the economy. The gold colour of the wheel represents the wealth of the country. The figures pushing the wheel, consisting of two men and a women carrying a baby, represent the challenges that workers face namely, racial and gender oppression as well as economic exploitation.