research Tangent screens are still useful in the assessment of vigabatrin induced visual field defects 2 citations , August 2002 in “British Journal of Ophthalmology” Tangent screens help detect visual field defects from vigabatrin.
research [Visual field defect in a patient given sodium valporate then carbamazepine: possible effect of aminotransferase inhibition]. 1 citations , April 2002 in “PubMed” Anti-epileptic drugs may cause visual and hair side effects due to enzyme inhibition, especially in genetically predisposed individuals.