There are several synonyms for the term "visual defect," which refers to any irregularity or condition that affects one's ability to see clearly. One of the most common synonyms is "visual impairment," which is a broader term that encompasses a wide range of conditions, from mild nearsightedness to total blindness. Another synonym is "eyesight problem," which is a more general term that can describe any issue with one's vision, including color blindness and depth perception problems. Other synonyms include "vision disorder," "visual abnormality," and "ocular condition." Regardless of the specific term used, it is important to seek medical attention if one experiences any changes in their vision.