Irreversible blindness induced by vitamin A deficiency in a child with avoidant/restrictive food intake disorder secondary to Noonan syndrome

Key Points

• To describe a case of irreversible blindness caused by vitamin A deficiency in a child with avoidant/restrictive food intake disorder and Noonan syndrome.
• Patient assessment in an urgent ophthalmology clinic.
• Detailed history of prenatal exposures and birth complications considered.
• Examination of symptoms including photophobia and eye rubbing.
• The child presented with symptoms indicative of severe vitamin A deficiency leading to blindness.
• Noonan syndrome identified as a contributing factor to the child's avoidant/restrictive food intake disorder.