Eye Redness: Is It Just Conjunctivitis? - Ophthalmology

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Bloodshot eyes


Hello Doctor: Recently, every time I wear contact lenses, my eyes develop bloodshot streaks, making the boundary between my pupil and the sclera appear blurred with blood vessels.
The last time I visited a doctor, they diagnosed me with mild conjunctivitis and prescribed eye drops, which provided some improvement.
However, after wearing contact lenses again, the same symptoms reappeared, along with a stinging sensation in the areas with blood vessels, in addition to the itching typically associated with conjunctivitis.
Could this really just be simple conjunctivitis? Thank you.

Ms. Shi, 20~29 year old female. Ask Date: 2009/10/18

Dr. Feng Jiefan reply Ophthalmology


In response to your statement, allergic conjunctivitis caused by contact lenses can improve with the cessation of contact lens use and the application of anti-inflammatory eye drops.
However, there is a tendency for recurrence upon resuming contact lens wear, and it may be necessary to reduce the duration of contact lens use to achieve improvement.

Reply Date: 2009/10/18

More Info


Hello! Thank you for reaching out with your concerns regarding eye redness and the potential connection to conjunctivitis and contact lens use. Based on your description, it sounds like you are experiencing some irritation and redness in your eyes, particularly after wearing contact lenses. Let's break down the possible causes and considerations for your symptoms.

Firstly, conjunctivitis, commonly known as pink eye, can indeed cause redness in the eyes. It is an inflammation of the conjunctiva, the thin, transparent membrane that covers the white part of the eyeball and the inner surface of the eyelids. Conjunctivitis can be caused by infections (viral or bacterial), allergies, or irritants. Symptoms typically include redness, itching, discharge, and sometimes discomfort or a gritty feeling in the eye. However, the presence of blood vessels or "bloodshot" eyes can also indicate other conditions.

In your case, the fact that you are experiencing blood vessels and a feeling of irritation or pain, especially after wearing contact lenses, raises a few important points. Contact lens wear can lead to several complications, including:
1. Contact Lens-Induced Red Eye: This is a common issue where the eye becomes red due to irritation from the lens itself, often exacerbated by poor lens hygiene, overwear, or an ill-fitting lens. If the lenses are not cleaned properly or if they are worn longer than recommended, they can cause inflammation and redness.

2. Dry Eye Syndrome: Wearing contact lenses can exacerbate dry eye symptoms, leading to discomfort and redness. If your eyes are not adequately lubricated, the lenses can cause irritation, leading to the symptoms you describe.

3. Allergic Conjunctivitis: If you have allergies, wearing contact lenses can trap allergens against the eye, leading to redness and irritation. This may not present with the typical itching associated with allergic conjunctivitis but can still cause discomfort.

4. Corneal Abrasion or Ulcer: If the contact lens has caused any scratches or abrasions on the cornea, this could lead to significant pain and redness. Symptoms of a corneal abrasion include sharp pain, tearing, and sensitivity to light.

5. Infectious Keratitis: This is a more serious condition that can occur with contact lens wear, particularly if lenses are not properly cared for. Symptoms include redness, pain, blurred vision, and discharge. This requires immediate medical attention.

Given your symptoms of redness, blood vessels, and pain, it is crucial to consult an eye care professional for a thorough examination. They can determine whether your symptoms are indeed due to conjunctivitis or if there is another underlying issue that needs to be addressed.
In the meantime, here are some recommendations:
- Stop Wearing Contact Lenses: If you are experiencing discomfort and redness, it is advisable to stop wearing your contact lenses until you have been evaluated by a healthcare professional.

- Use Artificial Tears: Over-the-counter artificial tears can help lubricate your eyes and may alleviate some discomfort.

- Avoid Rubbing Your Eyes: This can exacerbate irritation and lead to further complications.

- Maintain Good Hygiene: If you do resume wearing contact lenses, ensure that you follow proper hygiene practices, including washing your hands before handling lenses and cleaning them as recommended.

- Monitor Symptoms: Keep track of your symptoms and any changes, as this information will be helpful for your healthcare provider.

In summary, while your symptoms may be related to conjunctivitis, the presence of pain and the specific nature of your symptoms suggest that a more comprehensive evaluation is necessary to rule out other potential issues. Please prioritize seeing an eye care professional to ensure your eye health is properly managed. Thank you for your question, and I hope you find relief soon!

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