Itchy eyes in the elderly can often exist in two conditions. The first condition is itchy eyes caused by dry eyes. The common symptom is that the white areas of the eyes are not severely congested and itchy, accompanied by a dry feeling in the eyes. This is usually due to poor tear quality caused by poor secretion of the lid gland glands or low tear production caused by low lacrimal gland secretion, resulting in dry eyes. You can use lipoprotein-based eye drops or sodium vitreous acid-based artificial tear drops, commonly used as sodium vitreous acid Hailu or polyethylene glycol-based eye drops. In addition, hot compresses can be applied morning and evening to help restore the function of the lid glands. The other condition is itchy eyes due to allergies, where the conjunctival congestion is more pronounced and the itching is often more intense. Anti-allergic treatment with Orotadine drops or Flomiron drops can be used, usually for about 3-5 days, to improve most symptoms.