Oleum Ricini: Its Place in Surgery

Sir,?I hope the following observation may be of some interest to your esteemed readers : Castor oil is protective and sedative while applied externally, a soothing application when dropped into the inflamed eye, a solvent for homatropine, and decidedly an excellent, mild and simple purgative, and a suitable remedy for getting lid of undigested food causing diarrhoea, a proper and favourite preparation with a minute quantity of laudanum to treat certain forms of diarrhoea. To add to its importance some claim to have derived much benefit in night blindness,* defective vision temporarily caused by being exposed to the sun for several hours in a day, the latter complaint being most common amongst the