there currently exist many pediatric optometry and pediatric ophthalmology textbooks that look at strabismus, nystagmus and amblyopia. what makes this text stand out from all the others is a terrific means of its utilization of basic science to explain eye movement disorders. the chapter on nystagmus alone makes this book worth publishing. Dr. Wong looks at nystagmus in a clear concise way which proves invaluable for the scientist and the clinician alike. well worth your money if there exists any interest in eye movements and strabismus.