Table 3.
Comparisons of Mydriasis-Induced Changes Between High Myopia (Axial Length > 26 mm) and Non-High Myopia Eyes
| Absolute Changes (mm2/Degree/mm) | Percent Changes (%) | |||||
|---|---|---|---|---|---|---|
| Parameters | Non-High Myopia | High Myopia | P Value | Non-High Myopia | High Myopia | P Value |
| ΔIOP, mm Hg | 0.14 ± 1.87 | 0.08 ± 1.98 | 0.783 | 1.58% ± 11.92% | 0.78% ± 11.81% | 0.570 |
| ΔPupil diameter, mm | 3.33 ± 0.77 | 3.63 ± 0.94 | 0.003 | 86.02% ± 32.81% | 93.43% ± 45.79% | 0.081 |
| AS-OCT parameters | ||||||
| ΔAOD250 | −0.04 ± 0.09 | −0.03 ± 0.15 | 0.142 | −12.95% ± 38.10% | −1.64% ± 32.67% | 0.041 |
| ΔAOD500 | −0.07 ± 0.15 | −0.04 ± 0.18 | 0.048 | −22.74% ± 58.09% | −0.84% ± 45.47% | <0.001 |
| ΔAOD750 | −0.12 ± 0.09 | −0.10 ± 0.06 | 0.026 | −14.09% ± 31.18% | −6.74% ± 32.17% | 0.023 |
| ΔARA250 | −0.02 ± 0.05 | −0.02 ± 0.07 | 0.833 | −0.04% ± 65.01% | 1.51% ± 44.71% | 0.812 |
| ΔARA500 | −0.03 ± 0.07 | −0.02 ± 0.10 | 0.567 | −4.41% ± 18.95% | −0.48% ± 17.24% | 0.424 |
| ΔARA750 | −0.06 ± 0.12 | −0.04 ± 0.15 | 0.334 | −8.86% ± 19.07% | −2.61% ± 14.08% | 0.005 |
| ΔTISA250 | −0.01 ± 0.03 | −0.01 ± 0.04 | 0.935 | −2.53% ± 53.51% | −0.84% ± 39.29% | 0.753 |
| ΔTISA500 | −0.03 ± 0.02 | −0.01 ± 0.01 | 0.018 | −6.00% ± 22.51% | −0.93% ± 24.98% | 0.038 |
| ΔTISA750 | −0.05 ± 0.01 | −0.03 ± 0.003 | 0.015 | −9.73% ± 28.79% | −2.85% ± 22.41% | 0.023 |
| ΔTIA250 | −4.10 ± 10.88 | −2.13 ± 10.78 | 0.081 | −8.78% ± 33.77% | −5.61% ± 27.36% | 0.356 |
| ΔTIA500 | −3.70 ± 9.15 | −1.06 ± 10.68 | 0.006 | −8.91% ± 24.98% | −2.90% ± 17.98% | 0.048 |
| ΔTIA750 | −5.12 ± 9.74 | −2.87 ± 9.96 | 0.026 | −13.88% ± 24.94% | −6.52% ± 26.71% | 0.005 |
| ΔACD | −0.13 ± 0.22 | −0.13 ± 0.26 | 0.993 | −4.54% ± 8.15% | −4.07% ± 7.67% | 0.575 |
| ΔLV | 0.13 ± 0.24 | 0.10 ± 0.22 | 0.279 | −21.71% ± 57.08% | −85.16% ± 72.54% | 0.473 |
| ΔACW | −0.04 ± 0.24 | −0.05 ± 0.25 | 0.713 | −0.31% ± 2.09% | −0.37% ± 2.09% | 0.758 |
| ΔATA | −0.01 ± 0.27 | −0.005 ± 0.26 | 0.905 | −0.04% ± 2.30% | −0.01% ± 2.20% | 0.898 |
Δ = anterior segment changes after dilation (mydriasis minus baseline); IOP = intraocular pressure; AOD = angle open distance; ARA = angle recess area; TISA = trabecular-iris space area; TIA = trabecular-iris angle; ACD = central anterior chamber depth; LV = lens vault; ACW = anterior chamber width; ATA = angle to angle width.
Bold indicates statistical significance.