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J Ophthalmic Vis Res. 2012 Jul;7(3):231-4.

Normal interpupillary distance values in an Iranian population.

Author information

1
Eye Research Center, Feiz Hospital, Isfahan University of Medical Sciences, Isfahan, Iran.

Abstract

PURPOSE:

To report normal interpupillary distance (IPD) values in different age groups of an Iranian population.

METHODS:

This study was performed on 1,500 randomly selected subjects from 3,260 consecutive out-patients with refractive errors referred to Farabi Eye Hospital, Isfahan, Iran over a period of two years (2008 to 2010). Measurement of refractive errors and IPD for far distance were performed using an autorefractometer (RMA-3000 autorefractometer, Topcon, Tokyo, Japan).

RESULTS:

Mean IPD in adult subjects was 61.1±3.5 mm in women and 63.6±3.9 mm in men (p<0.001). Mean IPD increased 4.8 mm during the second decade, 1.7 mm during the third decade, and 0.6 mm during the fourth and fifth decades of life.

CONCLUSION:

The observed increase in IPD after the age of 30 years indicates that factors other than skeletal growth may affect this parameter.

KEYWORDS:

Age; Interpupillary Distance; Iran; Refractive Error

PMID:
23330061
PMCID:
PMC3520592
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