Age (years) Mean intraocular pressure of left eye ± SD (mmHg)
  Underweight (BMI<18.5) Normal Weight (BMI  18.5-24.9)    Overweight (BMI  25.0-29.9) Obese (BMI>30.0)
11 - 20yrs 14.29 ± 1.18 14.39 ± 2.37 15.11 ± 0.96 15.70 ± 0.99
21 - 30yrs 14.50 ± 1.38 14.58 ± 2.45 17.77 ± 1.52 18.01 ± 1.27
31 - 40yrs 14.65 ± 2.44 15.83 ± 2.58 18.19 ± 1.75 18.75 ± 1.19
41 - 50yrs   15.89 ± 2.63 18.93 ± 2.26    19.44 ± 0.85
Table 2B: Mean iop for categories of bmi according to their age groups (OS). Table 2B compares the mean IOP of the left eye (OS) in the various categories. The mean IOP is highest in the overweight and obese age groups.