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Medical Channel Asia Latest Questions

aroush

Why my eyes get redish in sunny day.?

my eyes getting reddish in sunny day.  what is the reason.

1 Answer

  1. Redness in the eyes on sunny days can be attributed to several factors, primarily related to exposure to sunlight and environmental conditions. Here are some common reasons:

    1. UV Exposure: Prolonged exposure to ultraviolet (UV) rays from the sun can lead to irritation and inflammation of the eyes. This condition, known as photokeratitis, can cause redness, discomfort, and a gritty sensation in the eyes. UV light can damage the surface of the eye, leading to increased blood flow to the area as a response to injury, resulting in redness.

    2. Dryness: Sunny weather often comes with lower humidity levels, which can lead to dry air. This dryness can cause the tear film on the surface of the eyes to evaporate more quickly, leading to dry eyes. When the eyes are dry, they can become irritated and red. People who spend time outdoors without adequate eye protection may be particularly susceptible.

    3. Allergic Reactions: Pollen and other allergens are often more prevalent on sunny days, especially in spring and summer. If you are allergic to pollen, your eyes may react by becoming red, itchy, and watery. This is due to the release of histamines in response to allergens, which causes blood vessels in the eyes to dilate and become inflamed.

    4. Environmental Irritants: Dust, smoke, and other pollutants can be more concentrated on sunny days, especially in urban areas. These irritants can cause inflammation of the conjunctiva (the membrane covering the white part of the eye), leading to redness.

    5. Contact Lens Wear: If you wear contact lenses, exposure to sun and dry conditions can exacerbate discomfort and lead to redness. Contacts can trap debris and reduce oxygen flow to the cornea, especially in dry conditions, leading to irritation.

    6. Fatigue and Strain: Spending extended periods outdoors, especially if you are squinting against bright sunlight, can lead to eye strain and fatigue. This can cause the blood vessels in the eyes to dilate, resulting in a reddish appearance.

    Practical Advice:

    Wear Sunglasses: Choose sunglasses that block 100% of UVA and UVB rays. This can help protect your eyes from UV damage and reduce glare.
    Use Artificial Tears: If you experience dryness, consider using preservative-free artificial tears to keep your eyes lubricated.
    Stay Hydrated: Drink plenty of water to help maintain overall hydration, which can benefit your eyes.
    Avoid Rubbing Your Eyes: Rubbing can exacerbate irritation and lead to further redness.
    Consult a Healthcare Professional: If redness persists, is accompanied by pain, vision changes, or discharge, it is important to seek medical advice to rule out any underlying conditions.

    In summary, red eyes on sunny days can result from a combination of UV exposure, dryness, allergens, environmental irritants, and eye strain. Taking preventive measures can help minimize discomfort and protect your eyes.

    https://www.helf.co/en

    All responses provided by HELF are generated by its AI architecture. The information shared is intended for general informational purposes only and should not be relied upon for medical diagnosis or treatment. Please consult a healthcare provider for any medical concerns, diagnosis or treatment.

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