How to Protect Yourself from Eye Infections
Eye infections are the most common cause of a red eye; viral conjunctivitis, which is very common in adults, is highly contagious. Hand hygiene is the most important protection, and an eye doctor should make the diagnosis and plan treatment.
Viral and Bacterial Eye Infections
Eye infections are the most common cause of a red eye; the eye becomes red, watery and uncomfortable.
- Viral conjunctivitis (mostly adenovirus): very common in adults, spreads very easily and can cause outbreaks. It can also affect the cornea.
- Bacterial conjunctivitis: discharge and crusting are typical; it can spread by contact to the other eye and then to people nearby.
Hygiene Is the Key to Prevention
- Wash your hands often with soap and avoid touching your eyes.
- If someone at home has an infection, use separate towels, ideally paper towels.
- Wash your hands before and after using eye drops.
Common Mistakes
- Holding a used tissue in your hand and wiping the eye with it again spreads infection; use a fresh one each time and throw it away.
- Buying drops from the pharmacy without an examination can prolong the illness and may even harm your sight.
Frequently asked questions
Are eye infections contagious?
Yes. Viral conjunctivitis in particular spreads very easily; bacterial infection can also pass by contact to the other eye and to others.
Can I use drops from the pharmacy?
This is not recommended. Unprescribed drops can prolong the illness; see an eye doctor first.
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This page is for general information only and does not replace a medical consultation. Anatomy and treatment plans differ from patient to patient.