Abstract
Background: Do gender, age, body mass and height influence eye biometrical properties in young adults? Methods: A total of 155 eyes (92 female, 63 male) of healthy subjects between the ages of 18 and 39 years were included in the study. The subjects’ gender and age were recorded, and their body mass, height and biometrical properties of the eyes were measured. Results: The male subjects had significantly thicker and flatter corneas and lower minimal rim-to-disk ratios than the female subjects did. In both genders, age showed strong, negative correlations with anterior chamber depth and pupil diameter and a positive correlation with lens thickness. We also found significant, negative correlations between body height and mass with keratometry measurements, negative correlations between body height and optic disk rim area and rim volume, and positive correlations between body mass and axial length in both genders. Conclusions: Biometric eye parameters differ among people. In addition to age and gender, which are usually taken into consideration when interpreting ocular biometry findings, we strongly suggest that body height and mass should be also routinely considered when interpreting eye biometry data, as these factors have an impact on ocular biometry.
Highlights
Eye biometry is a diagnostic method used to measure the eye’s anatomical structures.The analysis of the eye’s biometrical properties is crucial in diagnostic and therapeutic procedures in ophthalmology [1]
Not statistically significant (p = 0.061), we found that females had smaller axial length, shallower anterior chambers (p = 0.164) and wider pupils (p = 0.056) than males did, which might contribute to the increased incidence of primary angle closure glaucoma in females
Since we found that body mass correlates well with eyeball axial length in both genders, but body height does not significantly correlate with eyeball axial length in females, we conclude that body mass is in better correlation with eyeball axial length in both genders and should be taken in consideration when interpreting eye biometry
Summary
Eye biometry is a diagnostic method used to measure the eye’s anatomical structures. The analysis of the eye’s biometrical properties is crucial in diagnostic and therapeutic procedures in ophthalmology [1]. The eye’s biometrical properties are essential to calculate the power of the intraocular lens in cataract surgery, in refractive surgery and in the diagnostics and monitoring of patients with age-related macular degeneration, glaucoma and other conditions [2,3,4]. Ultrasound contact biometry was the most widely used biometric method. More precise, noncontact, easy-to-use optical biometry methods are used. The biometrical properties of the eye are specific to each eye. These properties vary between individuals and populations.
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