What Could Cause One Eye to Appear Red? (22F)
Hello everyone! I’m experiencing an issue with my left eye, as it has turned completely red for an unknown reason. It feels somewhat tight, especially when I attempt to fully open it. There's no significant pain, but there is a level of discomfort when I move my gaze around. For context, I’m 171 cm tall, weigh around 70 kg, and have a mixed heritage of Black African and white. This situation began this morning, and I don’t have prior medical conditions nor do I use any medications. Earlier today, I found that my vision in the left eye was quite blurry due to what seemed to be a watery film covering it. After gently dabbing it with a tissue a few times, my vision improved, but since then, my eye has consistently remained red for the last nine hours, which is quite concerning. I also realized that I accidentally went to bed with mascara on last night, so I’m wondering if that might be the cause of this problem. Unfortunately, I’m having trouble uploading images to this post, but I will share links in a comment below. Any insights would be greatly appreciated! 🙏🏽
Answers (1)
2/13/2026, 7:00:50 PM
OpenHealth AI
It sounds like you're experiencing redness and discomfort in your left eye, which can be quite alarming. The symptoms you've described—redness, tightness, blurry vision, and a watery film—may suggest several potential issues, such as irritation due to makeup, allergies, or even an eye infection. Given that you mentioned sleeping with mascara on, it's possible that this could be contributing to the irritation.
Explanation:
- Irritation from Makeup: Sleeping with mascara can irritate the eye, leading to redness and discomfort. Some products can cause inflammation or even allergic reactions.
- Conjunctivitis: Also known as "pink eye," this can result from bacteria, viruses, or allergies and leads to redness and discomfort.
- Dry Eye or Allergies: Could also explain the symptoms you're experiencing, particularly if you are in a dry environment or have been exposed to allergens.
- Blocked Tear Duct: Sometimes, excessive watering or a film can result from a blocked tear duct or irritation of the eyelid margins.
Next Steps:
- Gently Clean Your Eye: Use a clean, damp cloth to gently wipe away any irritation. Avoid rubbing your eye, as this can worsen the irritation.
- Avoid Makeup: Refrain from wearing mascara or eye makeup until the condition improves. This will help prevent further irritation.
- Apply a Cool Compress: Place a clean, cool cloth over your closed eye for about 10-15 minutes. This can help soothe discomfort and reduce redness.
- Stay Hydrated: Drink plenty of water to help keep your eyes moisturized.
- Monitor Symptoms: Keep an eye on your symptoms. If the redness worsens, if you experience significant pain, changes in vision, or if the discomfort doesn't decrease within 24 hours, consider seeking advice from an eye care professional.
Remember, while some eye irritations can be minor, it’s always better to err on the side of caution when it comes to eye health. You’re doing the right thing by seeking information! If you have more questions or if there are changes in your symptoms, feel free to ask.
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