Bezan, D., LaRussa, F.P., Nishimoto, J.H., Sedrowski, D.P., Spear, C.H., Talley, D.K. & Than, T.P. Differential diagnosis in primary eye care. Butterworth & Heinemann , Boston , 1999 480 pages 64 illustrations ISBN 0-7506-9462-9 Price: ÂŁ60 This is an interesting book which could be of help to the practical working ophthalmologist, irrespective of whether he or she might be young or older. Fifty-eight clinical questions are raised, and to each of them a rational plan of examination is presented. The solutions are given in the form of tables. As an example chapter 19 has the title: Corneal filaments. A short text of 3 pages reviews the problem and 5 references are given for further reading. The main contribution is the table where the case is analysed, first the case history, specific symptoms and then biomicroscopy leading to 4 possibilities: keratoconjunctivitis sicca, recurrent erosion, superior limbic keratoconjunctivitis and neurotropic keratitis. For each of the 4 possibilities a therapy is suggested. The questions are intended to cover the whole ophthalomology, a goal which to a large extent has been achieved. The next edition can probably be expected in an electronic form. The present book can be warmly recommended.