A line pulled from the inside of the eye is usually a secretion, which is commonly seen in visual fatigue, dry eye, conjunctivitis, etc. 1. Eye fatigue due to prolonged close reading, staying up late, etc. will cause increased secretion, which will appear as a white, drawn-out discharge. 2. Dry eye due to insufficient tear secretion or excessive tear evaporation, poor tear quality, etc. will also cause increased secretion, appearing as white discharge. 3. Conjunctivitis caused by bacterial or viral infections or conjunctival contact with external allergens, such as bacterial conjunctivitis, viral conjunctivitis or allergic conjunctivitis, will also cause increased secretion. Specific causes need to go to the hospital for examination and clarification, for the cause of the treatment.