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Year : 2015  |  Volume : 10  |  Issue : 2  |  Page : 102-105

Is corneal sensitivity sex dependent?

1 Department of Optometry, University of Medical Sciences, Tehran, Iran
2 Ocular Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Correspondence Address:
Ali Mirzajani
Department of Optometry, Iran University of Medical Sciences, Apartment 2, No. 24, 13th Alley, Behzad Hesari Street, Mirdamad Avenue, Tehran
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Source of Support: Nil., Conflict of Interest: None

DOI: 10.4103/2008-322X.163772

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Purpose: To determine whether corneal sensitivity is different between the two genders. Methods: Corneal sensitivity of 130 normal volunteers, including 77 women and 53 men aged 20-35 years, with no history of previous ocular surgery was measured using the Cochet-Bonnet esthesiometer. Measurements were done on five corneal regions: central, nasal, inferior, temporal and superior. The findings were compared between men and women using the non-parametric Mann-Whitney U test. Results: Mean age of male subjects was 28.0 years and that of female participants was 26.8 years (P = 0.063). There was a significant difference in corneal sensitivity between men and women in the superior (P = 0.013), temporal (P = 0.020) and inferior (P = 0.046) regions. There was no significant difference in corneal sensitivity in the central (P = 0.862) and nasal (P = 0.273) regions. Conclusion: Except for the central and nasal regions, corneal sensitivity is significantly higher in men as compared to women. The reason for this difference is not yet evident.

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