Eyes | Ophthalmology | Eye Irritation (Symptom)
The eye irritation usually arises as a response to certain eye diseases or symptoms that force the eye.
The eye is a very sensitive body part and irritation can be caused by various situations and bad habits that force the eyes and cause eyestrain. The causes are: strong sunlight, wind loaded with dust or dirt particles, bad reading habits, work for a long time in front of the computer screen, watching television for many hours or too closely or working in poor light conditions.
Eye irritation is caused by enlarged, dilated blood vessels of the white portion of the eye (sclera) that give the appearance of redness, and bloodshot. Other associated causes are: (i) allergy to any external agent (allergen) such as pollen, flowers, animal hair, humidity, or certain drugs, compounds the immune system recognizes as foreign, a fact that produces histamine, a chemical that causes redness , burning, tearing and itching, (ii) physical exertion such as coughing, (iii) consumption of alcohol, (iv) contact with dust, smoke, pollution or chemicals, (v) particles or foreign bodies entering the eye (vi) the pool water is a very common source of infection, (vii) lack of sleep.