Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.
Tests and diagnosis
Eye exam — Overview covers definition, what to expect and results of vision testing.
Jun. 20, 2014
- Convergence insufficiency. American Association for Pediatric Ophthalmology and Strabismus. http://www.aapos.org/terms/show/38. Accessed Feb. 7, 2014.
- Scheiman M, et al. Non-surgical interventions for convergence insufficiency. Cochrane Database of Systematic Reviews. http://onlinelibrary.wiley.com/doi/10.1002/14651858.CD006768.pub2/abstract. Accessed Feb. 7, 2014.
- Borsting E, et al. Improvement in academic behaviors after successful treatment of convergence insufficiency. Optometry and Vision Science. 2012;89:12.
- Westman M, et al. Relief of asthenopic symptoms with orthoptic exercises in convergence insufficiency is achieved in both adults and children. Journal of Optometry. 2012;5:62.
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