Approximately 29 million people are treated in eye doctor practices and eye clinics in Germany each year, and 44 million correct their visual impairments with glasses or contact lenses. Glaucoma, age-related macular degeneration (AMD), and retinal damage caused by diabetes are among the most common causes of severe vision impairment and blindness. Early detection is crucial for preserving eyesight. The earlier a condition is diagnosed, the sooner necessary treatment can begin, leading to a better disease progression. What symptoms indicate the most common eye diseases? What are their underlying causes? What treatment options are available? How can one prevent the onset of eye diseases, and which preventive examinations are advisable? Organized according to...