Table 2 Mean values for total ocular, lower order, and higher order aberrations per decade of life
Age Group | Sphere (D) | Cylinder (D) | Spherical Equivalent (D) | Total Ocular Aberration (um) | Lower Order Aberration (um) | Higher Order Aberration (um) |
|---|---|---|---|---|---|---|
18–29 years | -4.095 | -2.098 | -4.908 | 4.353 | 4.302 | 0.299 |
30–39 years | -4.394 | -1.151 | -4.969 | 4.266 | 4.221 | 0.302 |
40–49 years | -3.770 | -0.898 | -4.219 | 2.762 | 2.686 | 0.296 |
50–59 years | -1.752 | -1.129 | -2.316 | 2.046 | 2.038 | 0.256 |
60–69 years | 0.843 | -1.550 | 0.068 | 1.185 | 1.049 | 0.284 |
70–80 years | 1.437 | -1.904 | 0.486 | 1.303 | 1.243 | 0.313 |