Yes, drinking moderate amount of milk every day can help treating scratched eyes to some extent. Milk is rich in proteins, water, mineral salt, and other microelements such as calcium, zinc and phosphorus, and so on and so forth, all of which are necessary nutrients in keeping the healthy condititions of the etes. Scratched eyes need much nutritious supplements to help the eyes go on with normal metabolism and recover from the injury, therefore drinking milk can be helpful. Except for drinking milk, eating cod-liver oil, vegetables, fruits, eggs is also good for scratched eyes. Besides, do not stay in a place where the lights are strong in case of irritationg the injured eyes. Take adequate rest every day and keep in a good mood.