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Presents a case in which retrobulbar irradiation was used in the treatment of Graves' ophthalmopathy. Side-effect of retinal destruction; No prior evidence of effects on optic nerve; Case of 61-year-old woman who developed transient blindness following treatment; Explaining reduced vision; Normal vision returning after six months; Caution about use of this method as first treatment of choice.

Reports on the findings of a small trial which showed that a synthetic peptide that mimics the adhesion epitope of streptococcal adhesion antigen I/II can prevent oral recolonization by Streptococcus mutans, the main aetiological agent of dental caries. Details of the studies conducted.