ABSTRACT

This chapter describes the association between these medical history and concomitant variables and minimal brain dysfunction (MBD) symptoms. A diagnosis of amblyopia ex anopsia, or dimness of vision presumably due to disuse, was given to 531 children in the MBD cohort following 7-year visual screening. The children’s height was measured without shoes and recorded in centimeters. Children with severe abnormalities of the skull that are associated with mental retardation—for example, hydrocephaly or hydranencephaly—were excluded from the MBD cohort. Nearly 5% of the children in the MBD cohort had some other musculoskeletal abnormality. The frequency of MBD symptoms was determined for children with any of a large group of noninfectious eye conditions, including hypertelorism (large distance between eyes), epicanthus (vertical folds of skin covering the inner corner of the eye), photophobia (poor tolerance to light), and distichiasis (double row of eye lashes).