Phenothiazines and eye complications.

SIR,-Mr. R. C. Peatfield (30 July, p. 305) points out that lap-belts are insufficient protection by themselves, and reports cases of rupture of the small intestine produced by them as a result of an accident. He suggests that safety-belts should indude support to the shoulders. I am in full agreement with this, but would like to add a proviso that all safety-belts should be so designed that the lap portion holds down the hips and is not so loose that it slides up to lie across the abdomen. There are a number of designs on the market for car " safety "-belts which permit this, and in my opinion they add to the dangers of a car crash. It is scarcely credible, but is true, that some of them have the kite mark guarantee.-I am, etc.,