Correlation between intraocular pressure and body mass index in the seated and supine positions

Megan M. Geloneck, Eric L. Crowell, Erik B. Wilson, Brad E. Synder, Alice Z. Chuang, Laura A. Baker, Nicholas P. Bell, Robert M. Feldman

Research output: Contribution to journalArticle

Abstract

Purpose: Examine the relationship between intraocular pressure (IOP) and body mass index (BMI) in the seated and supine positions. Patients and Methods: A prospective observational study was conducted in which the IOP was measured with a Tono-Pen (Reichert Inc., Depew, NY) in seated and supine positions in eligible participants with a wide range of BMI (18 to 70 kg/m2). The paired t test was used to compare seated to supine IOP. Stepwise regression analyses were used to investigate the correlation between IOP and BMI at these positions after adjusting for confounding variables of increased IOP, including age, race, mean arterial blood pressure, and central corneal thickness (μm). Results: The mean sitting IOP (16.3±2.9 mm Hg) was statistically lower than the mean supine IOP (17.7±3.1 mm Hg; P<0.0001). For each 10 unit increase in BMI, there was an increase of 0.55±0.23 mm Hg (P=0.0184) in IOP in the seated position and an increase of 0.49±0.24 mm Hg in IOP in the supine position (P=0.0409). BMI did not have a significant effect on the amount of increase in IOP observed in changing from the seated to supine position. Conclusions: Higher BMI is correlated with higher IOP in both the seated and supine positions. However, BMI has no significant effect on the amount of increase in IOP observed in changing from the seated to supine position.

Original languageEnglish (US)
Pages (from-to)130-134
Number of pages5
JournalJournal of Glaucoma
Volume24
Issue number2
DOIs
StatePublished - Jan 1 2015
Externally publishedYes

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Supine Position
Posture
Intraocular Pressure
Body Mass Index
Arterial Pressure
Confounding Factors (Epidemiology)
Observational Studies
Regression Analysis
Prospective Studies

Keywords

  • body mass index
  • glaucoma
  • intraocular pressure
  • obesity
  • supine position

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Geloneck, M. M., Crowell, E. L., Wilson, E. B., Synder, B. E., Chuang, A. Z., Baker, L. A., ... Feldman, R. M. (2015). Correlation between intraocular pressure and body mass index in the seated and supine positions. Journal of Glaucoma, 24(2), 130-134. https://doi.org/10.1097/01.ijg.0000435775.05032.87

Correlation between intraocular pressure and body mass index in the seated and supine positions. / Geloneck, Megan M.; Crowell, Eric L.; Wilson, Erik B.; Synder, Brad E.; Chuang, Alice Z.; Baker, Laura A.; Bell, Nicholas P.; Feldman, Robert M.

In: Journal of Glaucoma, Vol. 24, No. 2, 01.01.2015, p. 130-134.

Research output: Contribution to journalArticle

Geloneck, MM, Crowell, EL, Wilson, EB, Synder, BE, Chuang, AZ, Baker, LA, Bell, NP & Feldman, RM 2015, 'Correlation between intraocular pressure and body mass index in the seated and supine positions', Journal of Glaucoma, vol. 24, no. 2, pp. 130-134. https://doi.org/10.1097/01.ijg.0000435775.05032.87
Geloneck, Megan M. ; Crowell, Eric L. ; Wilson, Erik B. ; Synder, Brad E. ; Chuang, Alice Z. ; Baker, Laura A. ; Bell, Nicholas P. ; Feldman, Robert M. / Correlation between intraocular pressure and body mass index in the seated and supine positions. In: Journal of Glaucoma. 2015 ; Vol. 24, No. 2. pp. 130-134.
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AB - Purpose: Examine the relationship between intraocular pressure (IOP) and body mass index (BMI) in the seated and supine positions. Patients and Methods: A prospective observational study was conducted in which the IOP was measured with a Tono-Pen (Reichert Inc., Depew, NY) in seated and supine positions in eligible participants with a wide range of BMI (18 to 70 kg/m2). The paired t test was used to compare seated to supine IOP. Stepwise regression analyses were used to investigate the correlation between IOP and BMI at these positions after adjusting for confounding variables of increased IOP, including age, race, mean arterial blood pressure, and central corneal thickness (μm). Results: The mean sitting IOP (16.3±2.9 mm Hg) was statistically lower than the mean supine IOP (17.7±3.1 mm Hg; P<0.0001). For each 10 unit increase in BMI, there was an increase of 0.55±0.23 mm Hg (P=0.0184) in IOP in the seated position and an increase of 0.49±0.24 mm Hg in IOP in the supine position (P=0.0409). BMI did not have a significant effect on the amount of increase in IOP observed in changing from the seated to supine position. Conclusions: Higher BMI is correlated with higher IOP in both the seated and supine positions. However, BMI has no significant effect on the amount of increase in IOP observed in changing from the seated to supine position.

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