Age with Arcus without Arcus Percent with Arcus
0-9 0 0  0%
10-19 0 9 0%
20-29 4 35 10%
30-39 9 55 14%
40-49 61 70 47%
50-59 100 102 50%
60-69 57 58 50%
70-above 17 21 45%
Table 4: Occurrence of arcus senilis by age.