Humans have long faced an invisible enemy in the form of deadly viruses, and the COVID-19 pandemic shows what devastation they can wreak. As we face the prospect of more such viruses emerging, this major new edition of Dorothy Crawford's work explains the nature of viruses, how they cause disease, and how modern science is learning to counter them.

Bridging the gap between visual science and clinical application, this book delivers a student-friendly, and clinically focused introduction to the material covered in the curricula of the US and Canadian optometry programs. In line with optometric education and practice, it presents basic science information and includes clinical applications.

This book is exceptional in explaining not only when and how but also why vitrectomy is performed - an additional focus that will help trainee surgeons to develop their own critical thinking.

Traffic light approach is the first book to be written in the format of section 2 of the UK Intercollegiate Fellowship Examination (FRCS ORL-HNS). During the viva, the examiner starts with an introductory question (here colour-coded green) followed by one or more competency question(s) (amber) and finally one or more advanced question(s) (red).

This is the first revision book to be published specifically for FRCS(Urol) candidates. A selection of common clinical scenarios are accompanied by a guide to answering the exam questions. This second edition responds to continual changes in practice and emergence of new evidence in NICE, EAU and AUA guidelines.