Ocular structure | 125I plaque | 103Pd plaque | Percent reduction using 103Pd (%) | ||
Sclera | 156.7 | 155.8 | −0.60 | ||
Lens | 30.6 | 28.6 | −7.0 | ||
Fovea | 3.9 | 1.9 | −52.0 | ||
Optic disc | 4.3 | 2.2 | −51.20 | ||
Apex | 87 | 87 | Normalised at 0 | ||
Actual 103Pd radiation dose (in Gy) delivered to critical ocular structures | |||||
Patient No. | Sclera | Lens | Fovea | Optic disc | Apex |
1 | 165.1 | 50.7 | 2 | 2.3 | 84.1 |
2 | 130.2 | 23.9 | 1.5 | 1.4 | 85.0 |
3 | 174.4 | 10.6 | 2.9 | 3.7 | 82.3 |
4 | 173 | 23.5 | 1.6 | 1.6 | 99.2 |
5 | 136.4 | 34.4 | 1.7 | 1.9 | 84.5 |
Mean | 155.8 | 28.6 | 1.9 | 2.2 | 87.0 |
Doses, means for series visual acuity; 1 Gray, 100 cGy; 125I, iodine-125; 103Pd, palladium-103.