Table 3.
Daily (08:00–17:00) direct, diffuse, reflected, and total UVR doses [J/m2] estimated for unprotected periorbital, ocular, and facial skin zones during: (1) a cloudless summer day, (2) a cloudy summer day, and (3) a cloudless winter day with high reflection from the ground in a “looking-straight ahead” head position
Exposure | Periorbital skin zones | Ocular skin zones | Facial skin zones | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Solar UVR component | Exposure conditiona | Lateral | Lower | Tear duct | Upper | Cornea | White lateral | White medial | Cheeks | Nose | |
Daily UVR doses [J/m2] | Head without sunglasses | ||||||||||
Diffuse | 1 | 698.6 | 766.1 | 864.1 | 641.4 | 1005.0 | 773.6 | 664.9 | 1052.2 | 1125.9 | |
2 | 280.0 | 278.0 | 340.2 | 275.5 | 393.5 | 345.5 | 270.0 | 409.0 | 438.1 | ||
3 | 129.1 | 141.6 | 159.7 | 118.5 | 185.7 | 143.0 | 122.9 | 194.4 | 208.0 | ||
Direct | 1 | 243.7 | 286.4 | 623.5 | 328.3 | 690.0 | 288.8 | 161.7 | 742.1 | 1050.7 | |
2 | 0.5 | 0.3 | 1.0 | 0.5 | 1.0 | 0.4 | 0.3 | 1.0 | 1.6 | ||
3 | 56.7 | 68.4 | 71.6 | 61.2 | 90.2 | 65.5 | 71.0 | 64.0 | 66.6 | ||
Reflected | 1 | 29.6 | 27.5 | 21.8 | 26.8 | 23.4 | 28.5 | 25.2 | 23.2 | 18.6 | |
2 | 5.9 | 5.7 | 4.5 | 5.6 | 4.8 | 5.9 | 5.2 | 4.8 | 4.0 | ||
3 | 208 | 193.4 | 153.1 | 188.1 | 164.2 | 200.5 | 177.4 | 163.3 | 130.9 | ||
Total | 1 | 971.9 | 1080 | 1509.4 | 996.5 | 1718.4 | 1090.9 | 851.8 | 1817.5 | 2195.2 | |
2 | 286.4 | 284 | 345.7 | 281.6 | 399.3 | 351.8 | 275.5 | 414.8 | 443.7 | ||
3 | 393.8 | 403.4 | 384.4 | 367.8 | 440.1 | 409.0 | 371.3 | 421.7 | 405.5 |
aSee Table 1 for the specific exposure conditions