What causes dryness and itchiness in the eyes?
Sep 17, 2023
Source: Cainiu Health
Dr. Cui Xin
Introduction
In general, eye irritation and itching may be related to factors such as eye fatigue, foreign body in the eye, blepharitis, allergic conjunctivitis, and dry eye syndrome. Patients are advised to follow medical instructions for symptomatic treatment. In addition, it may also be associated with keratitis. If patients experience discomfort symptoms, they should seek timely medical attention at a hospital to avoid delaying diagnosis and treatment.
Under normal circumstances, eye dryness and itching may be related to factors such as eye fatigue, foreign body entry into the eye, blepharitis, allergic conjunctivitis, and dry eye syndrome. It is recommended that patients receive symptomatic treatment as directed by a physician. Specific analyses are as follows:
1. Eye Fatigue
If one spends prolonged periods looking at computers or electronic devices, unhealthy eye-use habits can lead to sensations of dryness and itching in the eyes. This condition generally does not require special treatment; symptoms can be relieved by getting adequate rest and avoiding excessive eye strain.
2. Foreign Body in the Eye
When a foreign object enters the eye, it may cause ocular surface irritation. For example, small particles like sand entering the conjunctival sac can lead to symptoms such as dryness and itching. Patients may rinse the eye with physiological saline under medical guidance.
3. Blepharitis
Blepharitis involves congestion and swelling at the eyelid margin, leading to symptoms such as dryness, redness, and itching of the eyelid edge. Under medical supervision, patients may use medications such as tetracycline tablets or doxycycline hydrochloride tablets for treatment.
4. Allergic Conjunctivitis
In individuals with allergic constitutions, exposure to external allergens can trigger acute hypersensitivity reactions in the conjunctiva, causing the aforementioned symptoms. It is recommended to use antiallergic eye drops such as naphazoline-pheniramine-methazolamide solution or sodium cromoglicate eye drops under medical guidance to alleviate symptoms.
5. Dry Eye Syndrome
With increasing age or chronic sleep deprivation, insufficient secretion of ocular lubricating fluid may lead to dry eye syndrome, which can also manifest as dryness and itching. It is recommended to use medications such as sodium hyaluronate eye drops or fluorometholone eye drops under medical supervision to improve symptoms.
In addition, these symptoms may also be associated with keratitis. If patients experience discomfort, they should seek timely medical attention at a hospital to avoid delays in diagnosis and treatment.
