This is a self assessment test which covers all aspects of the basic sciences related to ophthalmology. Each chapter comprises a series of MCQs and their explanatory text constitutes an up to date summary of that topic. The book is illustrated with 150 diagrams which compliment the text. It may be used as a revision aid for those about to sit the final FRCO or it may be read as a text book for those wishing to update their knowledge of the basic sciences.