The use of collimators with beta ray eye applicators.
D002386:Cataract / Q000209:etiology / Q000517:prevention & control*; D004848:Epithelium / Q000528:radiation effects; D005134:Eye Neoplasms / Q000532:radiotherapy*; D006801:Humans; D007908:Lens, Crystalline / Q000528:radiation effects*; D011336:Probability; D011832:Radiation Injuries / Q000517:prevention & control*; D011878:Radiotherapy / Q000009:adverse effects / Q000295:instrumentation*; D011879:Radiotherapy Dosage