Epidemiology and Associated Risk Factors of Diabetic Retinopathy in Patients with Diabetes Mellitus Attending a Tertiary-care Hospital in Hargeisa, Somaliland

This hospital-based cross-sectional study in Hargeisa, Somaliland, reveals a high 51% prevalence of diabetic retinopathy among diabetes patients, identifying age over 40, longer disease duration, marital and employment status, literacy, and concomitant cardiac illness as significant risk factors, thereby underscoring the urgent need for enhanced health policies and regular eye screening in the region.

Woredekal, A. T.

Published 2026-03-31
📖 5 min read🧠 Deep dive
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This is an AI-generated explanation of a preprint that has not been peer-reviewed. It is not medical advice. Do not make health decisions based on this content. Read full disclaimer

The "Sugar Storm" in the Eyes: A Simple Explanation of the Study

Imagine your body as a bustling city. Diabetes is like a constant, heavy rain of sugar flooding the streets. For most people, the city's drainage system (your kidneys and blood vessels) handles this rain just fine. But for some, the rain is so heavy and lasts so long that it starts to damage the most delicate part of the city: the retina, which is like the high-definition camera sensor at the back of your eye.

When this camera sensor gets damaged by the sugar rain, it's called Diabetic Retinopathy (DR). If left unchecked, the camera lens cracks, the image blurs, and eventually, the city goes dark (blindness).

This study, conducted in Hargeisa, Somaliland, is like a team of detectives visiting a local hospital to count how many people's "camera sensors" have been damaged by this sugar rain and to figure out why.


🕵️‍♀️ The Investigation: What Did They Do?

The researchers gathered 384 patients who already knew they had diabetes. Think of this group as a cross-section of the city's population visiting the "Eye Repair Shop."

  • The Tools: They didn't just ask questions; they used special "flashlights" (dilated eye exams) and high-tech "scanners" (OCT machines) to look deep inside the eye, checking for cracks, leaks, and swelling.
  • The Timeline: They watched and recorded data for five months (January to May 2023).

📊 The Findings: What Did They Discover?

Here is the "news report" from the investigation, translated into everyday terms:

1. The Damage is Widespread

The Big Number: 51% of the people they checked had some level of damage to their eyes.

  • Analogy: Imagine walking into a room with 100 people, and 51 of them have a cracked camera lens. That is a very high number, much higher than in some other countries.
  • The Types of Damage:
    • 17% had "Non-Proliferative" damage. Think of this as cracks in the glass. The camera still works, but it's fragile.
    • 26% had "Macular Edema." This is like water leaking onto the sensor, causing a foggy, blurry spot right in the center of the vision.

2. Who is Most at Risk? (The Risk Factors)

The detectives found that certain "weather conditions" make the damage worse:

  • Time is the Enemy (Duration of Diabetes):
    • If you have had diabetes for more than 10 years, your risk of eye damage doubles.
    • Analogy: It's like leaving a car parked in the rain. If you leave it for a week, it might get a little rusty. If you leave it for 10 years, the engine will likely seize up. The longer the sugar rain falls, the more damage it does.
  • Age Matters:
    • People over 40 are at much higher risk. Those under 40 have a 37% lower chance of having the damage.
    • Analogy: Older eyes are like older tires; they have less "bounce" and are more likely to wear out when hit by the sugar rain.
  • Heart Trouble:
    • Patients who also had heart disease were much more likely to have eye damage.
    • Analogy: If the plumbing in the whole house (the heart and blood vessels) is clogged, the delicate pipes in the bathroom (the eyes) are the first to burst.
  • Surprising Findings:
    • Blood Pressure (Hypertension): Usually, high blood pressure is a major suspect in eye damage. However, in this specific group, it didn't show a strong statistical link. It's possible that other factors were so loud that they drowned out the sound of the blood pressure issue.
    • Gender: Interestingly, women made up two-thirds of the patients. In many other countries, men usually show up more often for checkups. This might be because women in this region are more likely to visit the hospital for health issues, or perhaps they are more affected by the "sugar rain" due to lifestyle differences.

3. The "Why" Behind the High Numbers

Why was the damage rate (51%) so high compared to other studies?

  • The "Referral" Effect: This hospital is a specialized eye hospital. People don't usually go there for a routine checkup; they go there because they already have a problem or were sent there by a regular doctor. It's like checking the "broken car" lot at a mechanic's shop—you will find way more broken cars there than in a random parking lot.
  • Late Detection: Many patients likely waited too long to get their eyes checked, allowing the sugar rain to do its damage before anyone noticed.

💡 The Takeaway: What Should We Do?

The study concludes with a loud alarm bell: We need to act fast.

  • The Problem: Half the people with diabetes in this area are losing their sight, often without realizing it until it's too late.
  • The Solution:
    1. Regular Screenings: Just as you change the oil in your car every 5,000 miles, people with diabetes need to get their eyes checked every year, even if they feel fine.
    2. Early Warning: Catching the "cracks" (early DR) is easy to fix. Waiting until the "sensor is flooded" (advanced DR) is much harder and more expensive to repair.
    3. Policy Change: The city (government and health officials) needs to build better "drainage systems" (health policies) to manage diabetes before it destroys the eyes.

In a Nutshell

This study tells us that in Hargeisa, the "sugar rain" of diabetes is causing a lot of damage to people's eyes, especially those who have had the disease for a long time or are over 40. The good news is that if we catch it early with regular checkups, we can stop the camera from breaking and keep the city bright.

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