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[Diurnal variability of intraocular pressure].
Arch Soc Esp Oftalmol 2007; 82(11):675-9AS

Abstract

OBJECTIVE

To assess whether there are variations in the intraocular pressure (IOP) between the morning and afternoon in healthy subjects.

METHODS

This study was carried out in a Primary Care Health Center among usual patients of general practitioners. Two measurements of the intraocular pressure were assessed on the same day (between 8 and 9 a.m. and between 5 and 6 p.m.) using a Perkins applanation tonometer. The subjects (119 females and 101 males) had a mean age of 46.3 years, with ages ranging between 14 and 83 years. They were proportionally distributed among 4 age groups (14-24, 25-44, 45-64 and >65 years).

RESULTS

The IOP mean values were: right eye, morning time and afternoon, 13.29 and 11.81 mm Hg, respectively (p<0.001); left eye, morning time and afternoon, 13.48 and 12.04 mm Hg (p<0.001). The IOP was significantly higher in males than in females, and showed a weak association with age.

CONCLUSIONS

We found a diurnal variation of IOP of approximately 1.5 mm Hg. The time of day when the IOP is measured needs to be considered as a variable in research in ocular hypertension and glaucoma.

Authors+Show Affiliations

Centro de Salud Docente Santa M.a de Benquerencia, Toledo, Spain. ijd02@hotmail.comNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
English Abstract
Evaluation Studies
Journal Article

Language

spa

PubMed ID

17979035

Citation

Jaén-Díaz, J I., et al. "[Diurnal Variability of Intraocular Pressure]." Archivos De La Sociedad Espanola De Oftalmologia, vol. 82, no. 11, 2007, pp. 675-9.
Jaén-Díaz JI, Cordero-García B, López-de-Castro F, et al. [Diurnal variability of intraocular pressure]. Arch Soc Esp Oftalmol. 2007;82(11):675-9.
Jaén-Díaz, J. I., Cordero-García, B., López-de-Castro, F., de-Castro-Mesa, C., Castilla-López-Madridejos, F., & Berciano-Martínez, F. (2007). [Diurnal variability of intraocular pressure]. Archivos De La Sociedad Espanola De Oftalmologia, 82(11), pp. 675-9.
Jaén-Díaz JI, et al. [Diurnal Variability of Intraocular Pressure]. Arch Soc Esp Oftalmol. 2007;82(11):675-9. PubMed PMID: 17979035.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Diurnal variability of intraocular pressure]. AU - Jaén-Díaz,J I, AU - Cordero-García,B, AU - López-de-Castro,F, AU - de-Castro-Mesa,C, AU - Castilla-López-Madridejos,F, AU - Berciano-Martínez,F, PY - 2007/11/6/pubmed PY - 2008/2/19/medline PY - 2007/11/6/entrez SP - 675 EP - 9 JF - Archivos de la Sociedad Espanola de Oftalmologia JO - Arch Soc Esp Oftalmol VL - 82 IS - 11 N2 - OBJECTIVE: To assess whether there are variations in the intraocular pressure (IOP) between the morning and afternoon in healthy subjects. METHODS: This study was carried out in a Primary Care Health Center among usual patients of general practitioners. Two measurements of the intraocular pressure were assessed on the same day (between 8 and 9 a.m. and between 5 and 6 p.m.) using a Perkins applanation tonometer. The subjects (119 females and 101 males) had a mean age of 46.3 years, with ages ranging between 14 and 83 years. They were proportionally distributed among 4 age groups (14-24, 25-44, 45-64 and >65 years). RESULTS: The IOP mean values were: right eye, morning time and afternoon, 13.29 and 11.81 mm Hg, respectively (p<0.001); left eye, morning time and afternoon, 13.48 and 12.04 mm Hg (p<0.001). The IOP was significantly higher in males than in females, and showed a weak association with age. CONCLUSIONS: We found a diurnal variation of IOP of approximately 1.5 mm Hg. The time of day when the IOP is measured needs to be considered as a variable in research in ocular hypertension and glaucoma. SN - 0365-6691 UR - https://www.unboundmedicine.com/medline/citation/17979035/[Diurnal_variability_of_intraocular_pressure]_ L2 - http://www.oftalmo.com/seo/archivos/pubmed_links/pubmed_index.php?id=2106 DB - PRIME DP - Unbound Medicine ER -