Table 2

125I versus 103Pd: radiation dose (Gy) delivered to critical ocular structures

Ocular structure 125I plaque 103Pd plaquePercent reduction using 103Pd (%)
Sclera156.7155.8−0.60
Lens30.628.6−7.0
Fovea3.91.9−52.0
Optic disc4.32.2−51.20
Apex8787Normalised at 0
Actual 103Pd radiation dose (in Gy) delivered to critical ocular structures
Patient No.ScleraLensFoveaOptic discApex
1165.150.722.384.1
2130.223.91.51.485.0
3174.410.62.93.782.3
417323.51.61.699.2
5136.434.41.71.984.5
Mean155.828.61.92.287.0
  • Doses, means for series visual acuity; 1 Gray, 100 cGy; 125I, iodine-125; 103Pd, palladium-103.