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Non Painful Red Eyes

Introduction

There are numerous conditions which can cause painless eye redness and discomfort. As mentioned under other topics, any eye condition that associated with pain, or blurring of vision, warrants an immediate medical attention..

Few common conditions that give rise to non painful red eyes include conjunctivitis, subconjunctiva haemorrhage, pterygium, allergy conjunctivits and episcleritis..

1. Subconjunctiva haemorrhage

Subconjunctiva haemorrhage occurs when a small blood vessel breaks in the lining over the eye. It is usually painless, and the vision is not affected. It appears as a bright red patch on the surface of the eye. This condition can occur spontaneously, or after injury, sneezing, coughing or straining. It usually disappears over one to two week period without any need of treatment.

Figure shows the eye is bleeding a little subkonjunktiva

Bleeding of the eye

 

Figure shows the point of severe bleeding subkonjuntiva

Bleeding around the eyes

2. Pterygium

A pterygium is a non-cancerous growth of the conjunctiva onto the cornea. Often the pterygium may appear red, with noticeable blood vessels. It can cause some irritation and discomfort. A pterygium which progressively moves toward the centre of the cornea may need to be surgically removed in order to prevent the vision from being affected.

Figure shows the pterygium that grows on both sides of the cornea.

3. Allergy conjunctivitis

Allergy conjunctivitis is non contagious. It is due to environmental allergen or secondary to preservative in eye drop. This condition causes eye irritation and redness. Reduce or avoidance of exposure to certain allergen, help to control this condition. Severe allergy conjunctivitis may need eye drop to control. However, patient with allergy conjunctivitis need to consult with eye doctor regarding the treatment, as certain eye drop (steroid eye drop) may damage the eye if use long term without any supervision and monitoring.

WARNING: The use of eye drops containing steroids in the long run without a doctor’s supervision can damage eyes and cause blindness

Figure shows the points that have allergic conjunctivitis.

Upper eyelid is in upside down to show signs of allergies

4. Episcleritis

Episcleritis is an inflammation of the episclera, which is a fibrous layer between the white wall of the eye (the sclera) and the lining of the eye (the conjunctiva). In this condition, there is a patch of injected blood vessels on the surface of the eye (only a part of the eye is red). It may be associated with mild irritation. The condition may resolve without treatment. However a frequent recurrence or persisted of condition more that a week needs eye doctor attention.

Figure shows the points that have episkleritis

Red spots with inflammation of blood vessels

Semakan Akhir : 14 Mei 2012
Penulis : Dr. Joseph Vijaya Alagaratnam
Reviewer : Dr. Salmah Othman