Last week I found myself sitting in the waiting area of a prominent eye clinic in Lusaka. Around me were people from every generation. Some hoped a new pair of glasses would sharpen the world again. Others were waiting to hear whether their eyesight could still be saved. It struck me that most of us only think seriously about our eyes once something has already gone wrong.

Most of us assume that if we can still see clearly, our eyes must be healthy. We wait until road signs become blurry, we hold restaurant menus a little further away, or we blame tiredness after a long day in front of a screen. Yet our eyes are often telling us far more than whether we need a stronger prescription.

They are quietly reflecting the way we now live.

Today’s eyes are working harder than those of previous generations ever had to. We are living longer with conditions such as diabetes and high blood pressure. We spend hours every day staring at laptops, televisions and mobile phones. Even our environment plays a role, with Southern Africa’s cooler, drier winter months leaving many people with irritated or uncomfortable eyes.

The real danger is not modern life itself. It is how quickly we have accepted these habits as normal.

According to the International Diabetes Federation, Africa is expected to experience one of the fastest increases in diabetes over the coming decades. That makes protecting our eyesight a public health issue.

Diabetes is already one of the leading causes of preventable vision loss among working-age adults. The challenge is that diabetic eye disease often develops silently. Damage can begin in the tiny blood vessels behind the eye long before vision becomes blurry. You can still read your messages, drive to work and recognise familiar faces while your eyesight is quietly being placed at risk. We expect our bodies to warn us when something is wrong. Pain usually gets our attention. Our eyes do not always give us that warning. By the time vision begins to change, damage may already have occurred. Regular retinal screening is just as important as checking blood sugar levels. It allows problems to be detected before they begin to affect our eyesight.

High blood pressure tells a similar story. Most people think about the heart when they hear the word hypertension, but it also damages the delicate blood vessels inside the eye. Sometimes an eye examination is one of the first places those changes become visible, long before someone develops more serious complications elsewhere in the body. It is another reminder that our eyes are not separate from the rest of us. They are part of the same network of blood vessels that supplies every organ we depend on every day.
That fascinates me because medicine often encourages us to think in separate departments. One clinic for diabetes. Another for blood pressure. Another for our eyesight. We treat the body like a shopping centre, walking from one specialist to the next as though each part operates independently. But the body has never worked that way.

Your eyes are connected to your blood vessels. Your blood vessels are connected to your heart. Your heart is connected to your kidneys and your brain. Even the food we eat, how much we sleep, how active we are and how well we manage long-term conditions influence how well those systems continue working together.

Then there are our screens.Whether you spend your day working on a computer, replying to WhatsApp messages, studying for exams or scrolling through social media before bed, our eyes rarely get the break they evolved to expect. We blink less when looking at screens, which is why so many people finish the day with tired, dry or irritated eyes without giving it much thought.
Winter does not help either. Cooler, drier air can make eyes feel gritty, watery or uncomfortable, particularly if you already spend long hours on screens. For people living with diabetes, changes in tear production and nerve function can make those symptoms even more noticeable. Persistent changes to your vision or ongoing discomfort should always be checked by an eye care professional rather than dismissed as “just winter.”

Looking after our eyes does not always require expensive technology. If you spend long hours on a screen, remember to look away every 20 minutes and focus on something in the distance for around 20 seconds. Blink deliberately. Stay hydrated during the dry winter months and ask your pharmacist or eye care professional whether lubricating eye drops may help if dryness persists.
The encouraging news is that many causes of vision loss can be prevented or treated if they are detected early. The World Health Organization estimates that at least one billion cases of vision impairment worldwide could have been prevented or have yet to be addressed through timely care. Here in Zambia, we are fortunate to have ophthalmologists, optometrists and eye clinics providing specialist care. The challenge is often not that help is unavailable. It is that many of us wait until our sight has already begun to change before making an appointment.

No generation before ours has spent this much time looking at screens, living with chronic diseases and expecting our eyes to keep up without complaint. We have accepted eye strain as part of work, dry eyes as part of winter and blurred vision as something that simply comes with age. Yet we would never ignore persistent chest pain or severe toothache for months. Our eyesight deserves the same attention. It is one of the few senses we depend on from the moment we wake until the moment we go to sleep.
We often talk about having a vision for our future, our families and our country. Perhaps it is time we paid a little more attention to the vision that quietly makes all of those things possible.

Kaajal Vaghela is a cultural wellness advisor with over three decades of lived experience managing Type 1 diabetes in Zambia and the diaspora. Having previously served as Chairperson of the Lusaka branch of the Diabetes Association of Zambia, she remains a passionate advocate for breaking down myths and building awareness about diabetes. For more personalised coaching or corporate wellness workshops, visit: www.kaajalvaghela.com and for any feedback: [email protected])