There are many diseases that cause dry eyes and dizziness, including acute upper respiratory tract infection, conjunctivitis, visual fatigue, cerebrovascular disease, and insomnia, as follows: 1. Acute upper respiratory tract infection: also known as cold, more common with viral infections, which can cause headache, eye discomfort, dizziness, headache, runny eyes and other symptoms; 2. Conjunctivitis: mostly caused by bacterial infections, which can result in increased eye secretions, symptoms such as dry eyes and dizziness; 3. Visual fatigue: If you usually have myopia and do not wear proper glasses, it can lead to visual fatigue and symptoms such as eye discomfort and dizziness; 4. Cerebrovascular diseases: mainly include cerebral infarction and cerebral hemorrhage, which can cause symptoms such as dizziness, headache, eye discomfort, numbness of limbs and impaired movement of limbs; 5. Insomnia: It can cause symptoms such as dry eyes and dizziness.