Table-II.
Inner canthal distance, inner outer canthus distance, and outer canthus lateral helix measurements within age groups.
| Age Group Months (Years) | Inner Canthus Distance (mm) | Inner-outer canthus distance (left) mm | Inner-outer canthus distance (Right) mm | Outer Canthus Lateral Helix (Right) mm | Outer Canthus Lateral Helix (Left) mm | |
|---|---|---|---|---|---|---|
| 3-36(0-3) | Mean | 23.7143±3.8 | 19.17±3.7 | 19.54±3.7 | 21.71± 2.27 | 21.82±1.92 |
| Median | 23IQ (22-24) | 17.5IQ (16.25-21.0) | 18IQ (17.25-22) | 21IQ (20-22) | 21IQ (21-22) | |
| 37-60(4-5) | Mean | 28.89±2.60 | 22.52±2.01 | 22.94±1.8 | 24.42±1.12 | 24.2±1.65 |
| Median | 29IQ (26-31) | 22IQ (21-24) | 23IQ (22-24) | 24IQ (24-25) | 24IQ (23-26) | |
| 61-84(6-7) | Mean | 32.0±1.96 | 26.33±1.58 | 26.13±1.45 | 27.00±0.92 | 26.6±1.17 |
| Median | 32IQ (31-34) | 27IQ (25-27) | 26IQ (25-27) | 27IQ (26-28) | 27IQ (26-27) | |
| 85-108(8-9) | Mean | 34.15±2.07 | 27.07±1.65 | 27.69±1.49 | 27.92±1.25 | 27.46±1.33 |
| Median | 35IQ (32-35) | 27IQ (26-28) | 28IQ (27-29) | 28IQ (27-29) | 28IQ (27-28) | |
| 109-121(10-11) | Mean | 36.6±.97 | 28.16±1.94 | 28.44±1.50 | 29.61±1.03 | 28.83±1.38 |
| Median | 37IQ (36-37.25) | 28IQ (27.75-30) | 29IQ (28-29) | 29.5IQ (29-30.25) | 29IQ (28-30) | |
| 122--156(12-13) | Mean | 39.27±1.10 | 31.18±2.9 | 31.72±3.1 | 31.00±1.34 | 30.27±1.55 |
| Median | 39IQ(38-40) | 30IQ(30-31) | 31IQ(30-32) | 31IQ(30-32) | 30IQ(29-32) | |
| Total | Mean | 31.04±5.9 | 24.63±4.83 | 24.9±4.7 | 26.09±3.6 | 25.7±3.4 |
| Median | 32IQ(26-36) | 26IQ (21-28) | 26IQ(22-29) | 26IQ(23-28) | 27IQ(23-29) |