Related Experiment Video
Updated: Jul 9, 2026

Classical Short-Delay Eyeblink Conditioning in One-Year-Old Children
Published on: September 1, 2018
[Red reflex: prevention way to blindness in childhood]
Adriana Sousa Carvalho de Aguiar1, Maria Vera Lúcia Moreira Leitão Cardoso, Ingrid Martins Leite Lúcio
1Enfermagem da Universidade Federal do Ceará, Fortaleza, CE. adrianaufc@gmail.com
Abstract:
This study had as objective to investigate the result and the colour gradation of red reflex test in newborns (NB). It is a exploratory, quantitative study and the sample was 180 NB from maternity ward in Fortaleza-CE. From this, 156 showed result "no altered" and 24 "suspect". About the aspect of red reflex, 144 NB showed the same coloration in the two eyes, in 35 of this, the colour was red, in 33, orange reddish, in 46 orange colour, in 24 light yellow, in 6 yellow with whitish stains central. Of the suspect cases, the reflex was light yellow with whitish stains with lines. The nurse trained to accomplish the red reflex test can have important role at Neonatal Unit with actions about the prevention of ocular alterations in the childhood.
Related Concept Videos
Photoreceptors and Visual Pathways
Diabetic Retinopathy
Focusing of Light in the Eye
Anatomy of the Eyeball
The Retinoblastoma Gene
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
Accessory Structures of the Eye