Blurred vision is frequently attributed to fatigue or screen time, but it can also signal multiple sclerosis (MS), a chronic autoimmune disease affecting the central nervous system. This condition occurs when the immune system attacks myelin, the protective layer around nerve fibers, disrupting communication between the brain and body. One of the primary causes of blurred vision in MS is optic neuritis, characterized by inflammation of the optic nerve, which can lead to symptoms such as eye pain, reduced color vision, and temporary vision loss. Early signs of MS can vary and may include extreme fatigue, numbness, and difficulty walking. Diagnosis typically involves a combination of neurological exams and MRI scans to identify lesions in the brain. Although there is no cure for MS, various treatments, including disease-modifying therapies and lifestyle adjustments, can help manage symptoms and slow disease progression. Recognizing symptoms early is essential for improving long-term health outcomes.