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. 2021 Mar 16;11:6076. doi: 10.1038/s41598-021-85597-5

Table 2.

Descriptive statistics for eyes’ laterality (L left; R right) and test t p-value*.

Laterality Mean S deviation S error p-value
NFL (µm/mm2) L 8371.242 1922.583 316.071 0.495
R 8656.053 1668.401 270.650
NFD (no./mm2) L 69.916 19.094 3.139 0.445
R 66.329 21.465 3.437
NBD (no./mm) L 37.595 10.539 1.757 0.583
R 36.369 8.665 1.387
TC L 21.642 7.161 1.177 0.901
R 21.433 7.368 1.195
K (D) L 44.032 1.362 0.224 0.544
R 43.837 1.421 0.228
CD (mm) L 12.080 0.341 0.057 0.521
R 12.023 0.411 0.067
CCT (mm) L 561.167 33.334 5.556 0.634
R 564.744 31.416 5.031
Sph (D) L − 4.014 2.703 0.444 0.737
R − 4.231 2.911 0.466
Cyl (D) L − 0.743 0.867 0.143 0.608
R − 0.647 0.752 0.120

*NFL nerve fiber length (µm/mm2), NFD nerve fiber density (no./mm2), NBD nerve beadings density (no./mm), TC tortuosity coefficient, K corneal curvature (D diopters), CD corneal diameter (mm), CCT corneal thickness (µm), Sph sphere (D diopters), Cyl cylinder (D diopters).