Ophthalmology - a central specialty with numerous connections to neighboring disciplines. This collection of tips and tricks offers solutions for diagnostics and therapy. The author focuses on specific or lesser-known issues, as well as those that doctors may want to review in more detail. He addresses individual topics that seem important to him in daily practice and provides concrete assistance. Simple tests can be performed - without instruments - right at the bedside. Valuable information that goes beyond textbook knowledge, for clinics, practices, and interested students.