Related Experiment Video

Updated: Jun 30, 2026

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
19:15

Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale

Published on: August 25, 2014

A 10 month old infant with nystagmus and strabismus

Attary S Jedari1, Z Maliky, Kh Daneshjou

  • 1Department of Pediatrics, Imam Khomeini Hospital, Tehran University of Medical Science, Tehran, Iran.

Pakistan Journal of Biological Sciences : PJBS
|September 30, 2008
PubMed

Insights

Congenital toxoplasmosis can manifest solely as nystagmus and strabismus in infants. Early diagnosis is crucial, as this parasitic infection may present with subtle ocular findings and brain calcifications.

Area of Science:

  • Ophthalmology
  • Pediatrics
  • Infectious Diseases

Background:

  • Congenital toxoplasmosis is a significant cause of visual impairment in children.
  • Early detection and treatment are vital to prevent long-term complications.

Observation:

  • A 10-month-old infant presented with nystagmus and strabismus following a five-month history of fever.
  • Ophthalmoscopy revealed characteristic salt-and-pepper retinopathy and scars.
  • Brain CT scan demonstrated multiple intracranial calcifications.

Findings:

  • Diagnosis was confirmed by a high titer of serum anti-Toxoplasma antibodies (IgG > 400).
  • The clinical presentation highlighted the potential for toxoplasmosis to cause isolated ocular abnormalities.

Implications:

  • This case underscores the importance of considering congenital toxoplasmosis in the differential diagnosis of abnormal infant eye movements.
  • Prompt recognition can lead to timely intervention, potentially mitigating severe visual and neurological sequelae.

More Related Videos

A Method to Quantify Visual Information Processing in Children Using Eye Tracking09:47

A Method to Quantify Visual Information Processing in Children Using Eye Tracking

Published on: July 9, 2016

An Automated Method for Assessing Visual Acuity in Infants and Toddlers Using an Eye-Tracking System05:10

An Automated Method for Assessing Visual Acuity in Infants and Toddlers Using an Eye-Tracking System

Published on: March 17, 2023

Related Concept Videos

Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category, whereas...
Accessory Structures of the Eye01:17

Accessory Structures of the Eye

Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...