SUMMARY
The authors describe the use of negative lenses of 3.00 D in the treatment of exodeviation in children with 12 years or less. They had an excellent or good result in 82,1% of patients. They advise the usage of negative lenses in any kind of children's exodeviation in order to produce or improve the alignment of the eyes, which favors the development and/or strengthening of normal binocular vision.