Table 2

Visual acuity and refraction of the irradiated compared with the fellow eye at follow up with increasing average dose to the lens of the treated side

Case NoDose to the lens (Gy)Visual acuity Refraction
Treated sideUntreated sideTreated sideUntreated side
91.051.51.5±0−0.25 100°±0
101.351.51.5−3.25−3.0
111.401.052.00±0±0
202.001.51.5−4.75−0.75 145°−3.0−0.75 55°
12.191.01.5±0±0
22.191.01.5±0+0.5
32.561.51.5−1.0−1.75
42.921.51.5±0±0
162.971.01.5−0.25−0.25
53.171.51.5−1.5−0.75
173.261.51.5±0±0
63.400.2 0.2 −6.0 1.5 40°−7.0 1.5 180°
183.841.01.0±0±0
74.381.51.5±0−0.5  90°±0−0.5 cyl 90°
84.381.01.0−0.5±0
195.341.01.0±0±0
145.621.01.0±0±0
125.641.01.0−0.5−1.0 130°−0.25
136.801.01.5±0−0.5
158.431.01.0−0.75−0.75 55°±0−1.75 175°
  • Tested with best refraction at a distance of 5 metres with a LIC chart with approximate steps of 0.1 log unit. Bilateral, hereditary optic atrophy.