Inside the eyes are always dry you can order some eye drops for dry eyes, collectively known as artificial tears, and it has many types. You can start with a milder, preservative-free one called Rizal eye drops, or you can choose sodium glassate drops, which have corneal repair properties. If it still itches after you order it, you should use some anti-itch eye drops, such as anti-allergy sodium cromoglycate drops or emetine drops. If the skin of the eyes itch, the skin surface to rub some eye ointment such as tobramycin dexamethasone eye ointment, the usual work and rest should be regular, do not often stay up late, cell phones to see less, but also to a light diet, because these have an impact on the eyes.