In 2013, health workers in Ethiopia's Tigray region started a big task: they wanted to see how well their treatments for trachoma were working. Trachoma is an eye disease that can lead to blindness if not treated. They did this by checking lots of people in 31 different areas, or "woredas", for signs of the disease.

These checks, called baseline surveys, were just the start. After that, they gave out a medicine called azithromycin to many people to stop the disease from spreading. This is called mass drug administration (MDA). They followed the rules set by international experts to make sure they were doing it right.

Now, let's talk about what they found. After treating people with azithromycin, they wanted to know if the disease was still around. So, they checked again for something called trachomatous inflammation-follicular (TF). This is a sign that the disease is still active.

The results of these checks will help the region plan what to do next. If the disease is still around, they might need to keep giving out the medicine. If it's gone, they can focus on other health issues.

It's important to note that these surveys were just a snapshot. They only show what was happening at the time of the checks. Also, they can't tell us if the treatments actually worked or if something else happened to make the disease go away.

Eye Health Check in Tigray: What We Found After Treatments

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