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Related Concept Videos

Translation01:31

Translation

Lesson: Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Leaky Scanning02:28

Leaky Scanning

During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA.  Marilyn Kozak discovered that the sequence RCCAUGG (where R stands for...
Translation01:31

Translation

Lesson: Translation
Translation is the process of synthesizing proteins from the genetic information carried by messenger RNA (mRNA). Following transcription, it constitutes the final step in the expression of genes. This process is carried out by ribosomes, complexes of protein and specialized RNA molecules. Ribosomes, transfer RNA (tRNA), and other proteins produce a chain of amino acids—the polypeptide—as the end product of translation.
Translation Produces the Building Blocks of Life
Infectious Diseases and Their Occurrence01:28

Infectious Diseases and Their Occurrence

Infectious diseases appear in populations through various transmission patterns, influenced by pathogen characteristics, population immunity, environmental conditions, and social behavior. Understanding these patterns is essential for effective public health surveillance and intervention. These categories—sporadic, outbreak, epidemic, pandemic, and endemic—help frame the nature and scope of disease events.Sporadic diseases occur irregularly and infrequently, without a predictable temporal or...
Investigation of Disease Outbreaks01:23

Investigation of Disease Outbreaks

Multistate foodborne outbreaks pose significant public health risks and require meticulous investigation to identify sources and implement control measures. The Centers for Disease Control and Prevention (CDC) utilizes a dynamic seven-step process for these investigations, integrating data from laboratories, interviews, and environmental assessments to protect public health.Outbreak Detection: The detection of multistate outbreaks typically begins with PulseNet, the CDC's national laboratory...
Introduction to Language of Pathophysiology l01:25

Introduction to Language of Pathophysiology l

Pathophysiology investigates how biological mechanisms—typically starting at the cellular level—disrupt normal bodily functions. It bridges anatomy and physiology to explain the progression of disease. With this foundation, it is important to understand the following key terms used to describe disease processes: Diagnosis:The process of identifying a disease using clinical evaluation, including signs (objective evidence like rashes), symptoms (subjective experiences like pain), laboratory test...

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Related Experiment Video

Updated: Jun 28, 2026

The Measurement and Treatment of Suppression in Amblyopia
08:34

The Measurement and Treatment of Suppression in Amblyopia

Published on: December 14, 2012

49.6K

Deciphering Amblyopia: Epidemiological Insights From a Pediatric Study.

Kavita R Bhatnagar1, Falguni Roy1, Kirti Jaisingh1

  • 1Ophthalmology, All India Institute of Medical Sciences, Jodhpur, Jodhpur, IND.

Cureus
|May 8, 2025
PubMed
Summary
This summary is machine-generated.

This study found that 1.66% of children aged 3-12 had amblyopia, a leading reversible cause of childhood blindness. Key risk factors include refractive errors like astigmatism and maternal pre-obesity.

Keywords:
amblyopiaanisometropiaastigmatismchildhood blindnessnon-ocular risk factorsocular risk factorsrefractive amblyopiascreening programsstimulus deprivationstrabismus

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Area of Science:

  • Ophthalmology
  • Pediatric Eye Care
  • Public Health

Background:

  • Amblyopia, or 'lazy eye,' affects a significant number of children, impacting visual development.
  • Understanding prevalence and risk factors is crucial for effective early intervention strategies.

Purpose of the Study:

  • To determine the prevalence of amblyopia in Indian children aged 3-12 years.
  • To identify ocular and non-ocular risk factors associated with childhood amblyopia.

Main Methods:

  • A cross-sectional study involving 1,683 children aged 3-12 years in western India.
  • Comprehensive ophthalmological examinations and parental questionnaires for risk factor assessment.
  • Classification of amblyopia into refractive, strabismic, and stimulus deprivation types.

Main Results:

  • The prevalence of amblyopia was 1.66%, with refractive amblyopia being the most common type (71.43%).
  • Astigmatism was the primary amblyogenic factor, followed by hypermetropia.
  • Significant non-ocular risk factors identified were maternal pre-obesity and low birth weight.

Conclusions:

  • Amblyopia in children is linked to modifiable ocular and non-ocular factors.
  • Early detection and intervention are vital for preventing irreversible vision loss.
  • Implementing preschool amblyopia screening programs is recommended for optimal visual outcomes.