1. Current concepts in convergence insufficiency;Trieu;Curr Opin Ophthalmol,2018
2. Orthoptic treatment in convergence insufficiency;Davies;Can Med Assoc J,1946
3. Association of symptoms and convergence and accommodative insufficiency in school-age children;Borsting;Optometry,2003
4. Eye strain from convergence insufficiency;Mahto;Br Med J,1972
5. The significance of inadequate convergence;Pickwell;Ophthalmic Physiol Opt,1981