Cognitive, motor, and visual development in healthy children in the first 42 months of life.

Purpose: The Bayley Scales of Infant and Toddler Development-Third Edition (Bayley-III) is a tool for measuring the developmental status of children, including cognitive and motor functioning, in the first three years of life. This study aims to evaluate the correlation between grating visual acuity and visual functionality in healthy children using the Bayley-III.

Methods: Binocular grating visual acuity was measured using Teller Acuity Cards followed by the Bayley-III in healthy children aged 1-42 months.

Influence of head posture on the visual acuity of children with nystagmus.

Purpose: Evaluate the relationship between the postural alignment of the head and possible interference in the view of children.

Methods: We evaluated 11 children between 2 and 7 years of age of both sexes, with the visually impaired, who had nystagmus and head lock position. The test Lea Grating Acuity Test® was used to collect measurements of visual acuity.