"Unripe" Cataract.By William A. McKeown, m.d., m. ch., Surgeon to the Ulster Eye, Ear and Throat Hospital, Belfast, London: H. K. Lewis, Gower Street, 1898. Illustrated by 9 Plates, containing GO original drawings. Royal 8vo. 125. Gel. net. It is just fourteen years since Dr. McKeown introduced his treatment of immature cataract by intra-ocular injection and irrigation, bringing it to the notic...