Why Protecting Vision Means Protecting the Future of the Azores
There is a quiet miracle that accompanies every ordinary day.
It happens so naturally that we rarely stop to notice it. We wake and recognize the faces we love. We watch dawn spill over the Atlantic. We read a favorite book, drive along a coastal road, admire the green slopes of our islands, or simply see a grandchild smile. Vision accompanies nearly every moment of our lives with such faithful constancy that we often remember its value only when it begins to fade.
Perhaps that is why ophthalmology occupies such a unique place within medicine. It is not merely about treating disease; it is about preserving one of the most profound ways human beings experience the world. Every restored cataract, every diabetic retina saved, every child whose vision is corrected before learning to read represents something much larger than a successful medical procedure. It represents the preservation of independence, dignity, opportunity, and quality of life.
These reflections come naturally after reading a recent interview with ophthalmologist Dr. João Cardoso, whose professional journey reflects both the excellence of Portuguese medical training and a deep commitment to serving the people of the Azores. Educated at the University of Coimbra and trained under one of Portugal’s leading ophthalmologists at the University Hospitals of Coimbra, Dr. Cardoso chose to return to the islands for family reasons, first serving at the Hospital of Angra do Heroísmo before continuing his work at the Hospital do Divino Espírito Santo in Ponta Delgada. Today, through his own specialized ophthalmology clinic and his work with CUF Açores, he represents a new generation of physicians bringing highly advanced medical care closer to island communities.
His decision to establish a dedicated ophthalmology practice reflects a broader transformation taking place throughout modern medicine.
Today’s ophthalmology depends as much upon technology as it does upon clinical expertise. Sophisticated diagnostic imaging now allows physicians to detect disease years before symptoms become irreversible. Conditions that once led almost inevitably to blindness can often be stabilized—or even prevented entirely—through early diagnosis and timely treatment. In that sense, investing in modern ophthalmic equipment is not simply purchasing machines. It is investing in time itself, giving physicians the ability to intervene before vision is lost rather than after it has disappeared.
Dr. Cardoso’s clinic reflects precisely that philosophy. Equipped with advanced diagnostic technology capable of evaluating everything from corneal disease and glaucoma to retinal disorders, cataract surgery planning, refractive surgery, and pediatric ophthalmology, the practice embodies a comprehensive approach to eye care that increasingly defines twenty-first-century medicine. It is a reminder that excellence in healthcare is built not only upon skilled professionals but also upon providing them with the tools necessary to practice medicine at its highest level.
Yet perhaps the most important part of Dr. Cardoso’s interview concerns not technology, but one of the greatest public health challenges facing the Azores. “The greatest concern in ophthalmology in the Azores,” he explains, “is diabetic retinopathy.” That single observation deserves careful reflection. The Azores have one of the highest rates of diabetes in Portugal. Diabetes is far more than a disorder of blood sugar. Over time, it quietly affects nearly every organ system in the body. Among its most devastating complications is diabetic retinopathy—the progressive damage to the tiny blood vessels that nourish the retina, the delicate tissue responsible for converting light into vision.
The tragedy of diabetic retinopathy is that it often develops silently. A person may feel perfectly well while irreversible changes are already occurring inside the eye. Vision may remain normal until the disease has reached an advanced stage, making regular eye examinations essential even when no symptoms are present. Left untreated, diabetic retinopathy can lead to severe visual impairment and blindness. Caught early, however, modern treatments can preserve vision in the overwhelming majority of patients.
This is where medicine intersects with public responsibility. Protecting vision is no longer simply the work of ophthalmologists. It requires public awareness, accessible screening programs, primary care physicians, diabetes education, healthy lifestyles, and patients willing to recognize that prevention remains the most powerful form of treatment.
The eyes often reveal what the rest of the body has not yet announced.
Dr. Cardoso reminds us that the retina offers physicians a unique window into human health. Healthy retinal blood vessels frequently reflect healthy circulation elsewhere in the body. Conversely, abnormalities seen inside the eye may point toward broader vascular disease affecting the heart, kidneys, or brain. In that sense, an eye examination becomes much more than a vision test; it becomes an opportunity to understand overall health.
While diabetic retinopathy presents a particular challenge in the Azores, cataracts remain the most common surgical procedure performed by ophthalmologists—not only in the islands but throughout the world.
This should surprise no one. As life expectancy continues to rise, cataracts have become an almost universal companion of aging. The natural lens of the eye, perfectly transparent at birth, gradually loses its clarity over the decades. Colors become duller. Contrast fades. Reading grows more difficult. Night driving becomes challenging. The world slowly loses its sharpness. Fortunately, cataract surgery stands among the great success stories of modern medicine.
What was once a cause of inevitable blindness has become one of the safest and most effective surgical procedures performed anywhere in the world. Within minutes, a clouded lens can be replaced with an artificial one, restoring vision that many patients describe as life-changing. Beyond simply improving eyesight, cataract surgery often restores confidence, mobility, independence, and participation in daily life. It allows people not merely to see again but to live more fully.
Equally important is Dr. Cardoso’s commitment to pediatric ophthalmology.
Vision develops rapidly during childhood, and certain conditions can only be corrected if detected early. A child who struggles to see the blackboard may also struggle to learn. A lazy eye left untreated may result in permanent vision loss despite otherwise healthy eyes. Early diagnosis therefore becomes an investment not only in health but also in education, confidence, and lifelong opportunity.
Children rarely complain that they cannot see because they often assume everyone sees the world exactly as they do.
That is why regular examinations matter. Toward the end of the interview, Dr. Cardoso offers advice that extends well beyond the consulting room. Maintain overall good health. Eat well. Exercise regularly. Protect your eyes during sports. Wear safety glasses in construction, gardening, and other occupations where injury may occur. And perhaps most importantly for island communities surrounded by brilliant Atlantic sunlight, protect your eyes from excessive ultraviolet exposure.
The sun gives life. It also demands respect. Good sunglasses are not simply fashion accessories. They protect the cornea, lens, and retina from cumulative ultraviolet damage that contributes to cataracts, macular degeneration, and other chronic eye diseases. Just as sunscreen protects the skin, quality eye protection safeguards vision over a lifetime.
There is a beautiful paradox about eyesight. We spend our lives looking outward—toward mountains, oceans, books, faces, and horizons—yet we rarely look inward to care for the extraordinary organs that make all those experiences possible. Perhaps we should.
Because every sunrise over Pico Mountain, every whale breaking the surface of Atlantic waters, every Hydrangea-lined road on Terceira, every Holy Ghost procession, every smile exchanged across a family table, first enters our lives through the remarkable gift of sight. To preserve that gift is not merely a medical responsibility. It is an act of gratitude. And in the Azores, where beauty surrounds us every single day, it may also be one of the wisest investments we can ever make.
Based on an interview conducted by Frederico Figueired for Correio dos Açores, Natalino Viveiros, director. Photos from CA.