Figure 2b: Regulatory T-cells among individuals with cataracts and their age-matched HIV-negative counterparts without cataracts. This Figure shows regulatory T-cell numbers (CD3+CD4+CD25Bright+FoxP3+) among 10 HIVnegative without cataracts, 16 HIV-positive without cataracts, 23 HIV-positive with cataracts and 21 HIV-negative with cataracts respectively.