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Does raised intraocular pressure begin in utero?
A J Foss1, A Rauf, A Aihie Sayer
1Queen's Medical Centre, University Hospital, Nottingham.
Insights
Fetal and infant growth, measured by birth weight and weight at one year, do not appear to influence the development of elevated intraocular pressure (IOP) later in life. This study found no significant association between early growth metrics and subsequent IOP.
Area of Science:
- Ophthalmology
- Human Growth and Development
- Public Health
Background:
- Intraocular pressure (IOP) is a critical factor in optic nerve health and a primary risk factor for glaucoma.
- Understanding developmental influences on IOP may provide insights into preventing ocular diseases.
Purpose of the Study:
- To investigate the relationship between fetal and infant growth parameters (birth weight, weight at 1 year) and the development of intraocular pressure.
- To assess if early life growth influences later ocular health indicators.
Main Methods:
- A cohort of 717 individuals born in Hertfordshire (1920-1930) with available birth and one-year weight records were studied.
- Intraocular pressure was measured using a Perkin's tonometer.
- Visual fields and optic disc cup/disc ratio were also assessed.
Main Results:
- A significant inverse relationship was observed between systolic blood pressure and birth weight.
- No statistically significant association was found between birth weight or weight at 1 year and intraocular pressure.
- Early growth metrics did not correlate with cup/disc ratio or visual field defects.
Conclusions:
- Fetal and infant growth are not significant predictors of subsequent intraocular pressure.
- The study provides no evidence to support early growth as a key factor in the development of raised intraocular pressure.
Aim:
To determine whether fetal and infant growth, as assessed by weight at birth and weight at 1 year, are related to intraocular pressure.
Methods:
717 men and women born in Hertfordshire between 1920 and 1930, for whom records of birth weight and weight at 1 year were available, were examined. Visual fields were assessed using the Takagi central 25 degrees 75 point static threshold screening program. Tonometry was performed using the Perkin's tonometer. The disc was assessed by direct ophthalmoscopy through dilated pupils.
Results:
A significant inverse relation was found between systolic blood pressure and birth weight. However, no association was found between birth weight or weight at 1 year and intraocular pressure, cup/disc ratio, or visual field defects.
Conclusions:
There was no evidence to support fetal or infant growth as being important factors for the subsequent development of raised intraocular pressure.