The Use of Vertical Prisms in Progressive Supranuclear Palsy (Stelle Richardson Olszewski Disease)

Elaine Cornell, DipAppSc (Cumb), DOBA

Ian C. Francis, FRACS, FRACO

Progressive Supranuclear palsy is a degenerative disease, ultimately resulting in total external ophthalmoplegia. Problems of down gaze palsy may be the most distressing. Two cases are presented where 15 dioptre prisms were used base down to help these symptoms.