Viral and bacterial pinkeye are highly contagious by hand-to-eye contact and droplet infection, often from shared items like towels and pillows. Most schools and daycares require children to stay home until 24 hours after treatment of bacterial pinkeye. Since there’s no medicinal treatment for viral, staying home until it has cleared is really the only way to prevent its spread (kids are typically contagious up to one week).To minimize the spread of pinkeye at home, encourage your child (and everyone at home) to wash her hands often, not rub her eyes, and not share washcloths or hand towels.
Blocked Tear Duct
There is no way to really predict or prevent a blocked tear duct. It's simply a condition some babies have at birth.