Top Twenty Reasons for Red and Bloodshot Eyes
Red eyes refer to an eye condition where the white part of our eyes becomes red or “bloodshot”. A wide range of diseases and conditions can lead to red eyes. Some other symptoms which usually accompany red eyes often are:
- Pain in the Eyes
- Dry Eyes
- Blurry Eyes
- Watery Vision
Twenty Reasons for Red and Bloodshot Eyes
various types of eye injuries can be a cause of red eyes. When our eyes suffer from injuries, the blood vessels inside the eye can dilate and enlarge causing our eyes to become red.
- Pink Eye
Also known as conjunctivitis, Pink Eye is a condition caused by inflammation in the lining of the eyelid and the white part of our eye. Common causes of pink eye include a virus, bacteria, an allergy, or other irritants. The condition causes our eyes to become red among other symptoms like burning or itching in the eye.
- Acute Glaucoma
Glaucoma is a disease where our eye’s pressure is increased to a point where the optic nerve starts getting damaged. There are two types of glaucoma – chronic and acute. Chronic glaucoma doesn’t show any symptoms while acute glaucoma has a lot of symptoms and one of them is red eyes.
- Uveitis: The inflammation of uvea is known as uveitis, a condition which may cause our eyes to become red. The condition can also cause eye pain, blurry vision, floaters, and light sensitivity.
- Episcleritis: Episcleritis is an eye condition where the thin layer of tissue between the cornea and sclera gets inflamed. Mild eye pain and irritation are other symptoms caused by the condition along with red eyes.
- Allergies: Eye allergies can also cause our eyes to become red. Causes of allergies can include pollen, dust, mold, smoke, or even perfume. Other symptoms of eye allergies include tearing, burning, and itching of the eye.
- Computer Vision Syndrome: Red eyes can be caused by a lack of moisture in our eyes. Computer Vision Syndrome is caused by staring at digital screens for too long which can lead to dry and red eyes.
- Corneal Ulcer / Infection: If the cornea of our eyes gets infected, blood vessels near the eye become enlarged to fight the infection. This causes visible redness in the eye, leading to red eyes.
- Eye drops: frequent use of eye drops can cause dilation of the blood vessels in our eye, which can lead to red eyes.
- Contact lens wear: Contact lens wear can cause our eyes to lack the moisture that is normally needed for them to function properly. This can lead to red eyes.
- Subconjunctival Hemorrhage: Subconjunctival Hemorrhage refers to the breakage of a blood vessel underneath the conjunctiva, which is the clear and transparent layer that covers the white part of the eye. It can cause the white part of our eyes to become completely red!
- Dry Eye Syndrome: Dry Eye Syndrome refers to dryness in the eye which can be a result of inconsistency in the quality of tears produced. It can also be caused when our tears evaporate faster than usual. Other than causing red eyes, dry eye syndrome can also cause other conditions like pain, ulcers on the cornea and may also result in vision loss in some extreme cases.
- Pregnancy: The body goes through a lot of hormonal changes during pregnancy and that can cause the tear production of our eyes to lower in quantity and quality, leading to dry and red eyes.
- Alcohol: one of the effects alcohols has on our body is vasodilation, which causes the blood vessels in our eyes to become larger and more visible, which leads to red eyes.
- Smoking: Cigarette smoking can lead to the release of many harmful chemicals in our body like ammonia, hydrogen sulfide, and formaldehyde. These chemicals are irritants for our eyes and may cause them to become red. Read also Smoking and Its Impact on Eye Health
- Swimming: Chlorine used in swimming pools can interact with our eyes and cause the blood vessels to become enlarged and dilated, leading to red eyes. Read also Tips to protect your eyes during Swimming.
- Lack of Sleep: Lack of proper sleep increases the retention of blood and fluid around our eyes making them look puffy and red.
- Dust or Other Irritants in the Eye: Dust and other irritants in our eye can cause them to become red as they irritate the surface of the eye.
- Prolonged Exposure to Sun: Our eyes can also turn red when they are exposed to the sun for prolonged periods.