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Related Experiment Videos

Refractive evaluation in children with growth defect.

Fulvio Parentin1, Giorgio Tonini, Paolo Perissutti

  • 1Department of Ophthalmology, Children's Hospital Burlo Garofolo, Trieste, Italy. parentin@burlo.trieste.it

Current Eye Research
|January 6, 2004
PubMed
Summary
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Congenital growth hormone deficiency (GHD) is linked to hyperopic refractive errors and shorter axial length in children. This suggests growth hormone plays a role in eye development and emmetropization.

Area of Science:

  • Ophthalmology
  • Endocrinology
  • Pediatrics

Background:

  • Growth hormone (GH) is crucial for postnatal growth, primarily via hepatic IGF-I production.
  • Growth factors influence ocular tissues, affecting scleral matrix synthesis and angiogenesis.
  • Congenital GH deficiency (GHD) is associated with optic nerve hypoplasia and reduced retinal vascularization.

Purpose of the Study:

  • To investigate the impact of congenital GHD on refractive error in children.
  • To evaluate the influence of congenital GHD on the emmetropization process.

Main Methods:

  • Ophthalmologic examinations, including cycloplegic refraction and axial length measurement, were performed on 80 children with congenital GHD.
  • A control group of 483 healthy children was included for comparison.

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Main Results:

  • Children with congenital GHD exhibited a hyperopic refractive defect.
  • A statistically significant shorter axial length was observed in the GHD group compared to controls.
  • The control group demonstrated a slightly myopic mean refractive error.

Conclusions:

  • Growth hormone appears to play a significant role in ocular development.
  • GH influences the physiological process of emmetropization, affecting refractive outcomes.