Abstract
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.
Highlights
There are several physiological differences between men and women, such as structural and hormonal differences
Results of the analysis indicated that in the superior (P = 0.013), temporal (P = 0.020) and inferior (P = 0.046) cornea, sensitivity was significantly higher in men
The aim of the present study was to determine whether any difference exists in corneal sensitivity between men and women
Summary
There are several physiological differences between men and women, such as structural and hormonal differences. An example of such a difference is the higher incidence of myopia in women, as compared to men.[1] One of the physiological characteristics of the human eye is corneal sensitivity, which is clinically important in monitoring corneal diseases and for confirmation of corneal health. Corneal sensitivity is a function of the ophthalmic branch of the trigeminal nerve.
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