Symptoms and causes of various eye conditions

Eyesight is essential for proper functioning. Eyes are directly exposed to the environment, thus vulnerable and at risk of catching an infection and getting hurt. Some conditions are specific, but eyes can also reflect symptoms of various systemic diseases. Some conditions are benign and treatable with home remedies, other require expert’s help, often even urgent treatment. These are some common symptoms of eye diseases and the most frequent causes hiding behind these symptoms.

Red eyes due to hyperaemia

Eyes appearing light red or livid are one of the most frequent symptoms in ophthalmology. The complete surface of each eye is densely covered with blood vessels, and the red color comes from increased blood flow in these vessels. It usually suggests inflammation or some irritation of the eye structures. Lack of sleep, alcohol, various allergies and infections are the most common reasons of the red eyes.

Dry eyes or keratoconjunctivitis

There are several glands and types of specific cells in charge of producing enough quality tears. All the conditions interfering with the production or flowing of tears can lead to dry eyes. Patients experiencing dry eyes usually complain about discomfort and the feeling of “alien body” in their eyes when blinking. Eyes usually itch or hurt, and the signs of irritation appear after a while. Common causes of dry eyes are autoimmune diseases, tumors of glands producing tears, certain infections, paralysis of the facial nerve and many more conditions.

Too many tears

Not as a figurative speech. There are conditions when eyes react by excessive producing of tears, usually as a compensatory attempt to fight some irritation or aggressive illness. Humid eyes occur in some benign situations, such as hypersensitivity to light or cold, as well as the manifestation of various allergies. On the other hand, wet eyes are sometimes caused by blockage of tears draining system. The total amount of tears is not increased, but the produced tears are prevented from flowing away.

Troubles with vision

One of the most common problems with eyes people face at some point in their lives is losing the ability to see close or distant objects or colors clearly. Cataract or the blurring of the lens is the most common cause. Glaucoma or increased pressure inside of the eyes can lead to blindness too, as well as various retinal issues.

    Anthony B. Pearson

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