Author(s): Singh JR, Banerjee S
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Abstract Interpupillary distance (IP), inner and outer canthal distances (IC, OC) have been investigated in an Indian population to establish normal values for these parameters. In males, the mean values of IC and OC were found to be 3.15 +/- 0.2445 and 8.44 +/- 0.3172 cm, respectively. However, in females these values were 3.09 +/- 0.2862 and 8.17 +/- 0.3310 cm, respectively. IP, as derived by Pryor's formula, was found to be in close proximity with the observed IP values. IP was also estimated by a multiple linear regression technique. The normal IP values are useful in the identification of ocular hypo- or hypertelorism in various syndromes which might be otherwise obscured by the various somatometric traits of the face.
This article was published in Hum Hered
and referenced in Optometry: Open Access