Across Kenya and beyond, the eye doctor's office has quietly become a frontline of preventive medicine — not because sight is failing, but because screens have reshaped the conditions of daily life. Adults averaging nearly seven hours of daily screen exposure are arriving at optometry clinics with ailments their parents had no words for, and insurers are rewriting their policies in response. What was once a peripheral benefit is being recognized as foundational: the eye, it turns out, reveals not only how well we see, but how well we are.