PURPOSE: This report assesses white-to-white corneal diameter, pupil diameter, central corneal thickness and thinnest corneal thickness values in a large sample of emmetropic subjects. METHODS: Three hundred and seventy-nine eyes of 379 young healthy emmetropic subjects were analyzed by means of scanning-slit corneal topography. The age of the subjects ranged from 18 to 53 years (mean ± SD = 29 ± 7). The mean of five consecutive measurements of the central corneal thickness, the thinnest corneal thickness, the white-to-white corneal diameter, and the photopic pupil diameter was recorded. RESULTS: The central corneal thickness ranged from 528 to 588 μm; the thinnest corneal thickness ranged from 504 to 574 μm; the white-to-white corneal diameter ranged from 11.5 to 12.3 mm; and the pupil diameter ranged from 3.0 to 4.7 mm. The central and the thinnest corneal thickness were positively correlated (r = 0.94, p < 0.001), and the pupil diameter was significantly higher in females (p < 0.001). CONCLUSIONS: This study shows that there are no differences in white-to-white corneal diameter, central corneal thickness, and thinnest corneal thickness between emmetropic females and males. However, pupil diameters are greater in emmetropic females.
PURPOSE: This report assesses white-to-white corneal diameter, pupil diameter, central corneal thickness and thinnest corneal thickness values in a large sample of emmetropic subjects. METHODS: Three hundred and seventy-nine eyes of 379 young healthy emmetropic subjects were analyzed by means of scanning-slit corneal topography. The age of the subjects ranged from 18 to 53 years (mean ± SD = 29 ± 7). The mean of five consecutive measurements of the central corneal thickness, the thinnest corneal thickness, the white-to-white corneal diameter, and the photopic pupil diameter was recorded. RESULTS: The central corneal thickness ranged from 528 to 588 μm; the thinnest corneal thickness ranged from 504 to 574 μm; the white-to-white corneal diameter ranged from 11.5 to 12.3 mm; and the pupil diameter ranged from 3.0 to 4.7 mm. The central and the thinnest corneal thickness were positively correlated (r = 0.94, p < 0.001), and the pupil diameter was significantly higher in females (p < 0.001). CONCLUSIONS: This study shows that there are no differences in white-to-white corneal diameter, central corneal thickness, and thinnest corneal thickness between emmetropic females and males. However, pupil diameters are greater in emmetropic females.
Authors: Juan A Sanchis-Gimeno; Antonio Lleó-Pérez; Luis Alonso; M S Rahhal; Francisco Martínez-Soriano Journal: Cornea Date: 2004-10 Impact factor: 2.651
Authors: Jason A Goldsmith; Yan Li; Maria Regina Chalita; Volker Westphal; Chetan A Patil; Andrew M Rollins; Joseph A Izatt; David Huang Journal: Ophthalmology Date: 2005-02 Impact factor: 12.079
Authors: Yuan Bo Liang; Tien Yin Wong; Lan Ping Sun; Qiu Shan Tao; Jie Jin Wang; Xiao Hui Yang; Ying Xiong; Ning Li Wang; David S Friedman Journal: Ophthalmology Date: 2009-09-10 Impact factor: 12.079
Authors: Omar Alshehri; Ahmed M Abdelaal; Ghufran Abudawood; Muhammad A Khan; Saud Alsharif; Hassan Hijazi; AlBaraa AlQassimi Journal: Clin Ophthalmol Date: 2022-08-13