Dry eye, eye fatigue, foreign body sensation, dryness, other symptoms include burning, swelling of eye, eye pain, photophobia, red eye and so on.

Muscae volitantes. There is the small black shadow fluttering in front of the eyes, especially when looking at the bright white background, after examination, no obvious lesions are found.

Optic neuritis: optic neuritis is the most common viral infection (especially in children), optic nerve chemical or drug poisoning in adults between the ages of 20~40 years old. In addition, diabetes, malignant anemia, some autoimmune diseases, bee bites, trauma and so on can also lead to optic neuritis.

Treatment: acupuncture.