Structure of the eye
The eye is an extremely complex organ. Each part of the eye plays an important role in vision. The outermost layers of the eye are the cornea, iris, and pupil, according to the health website Medical News Today (USA).
There are many causes of eye strain.
The cornea is the clear, dome-shaped covering of the pupil, the iris, and the sclera. The pupil is also called the pupil, while the iris is the colored part that surrounds the pupil. Depending on genetic factors, the iris can be different colors such as black, brown, gray, green, or blue. The sclera is the white part of the eye.
The pupil is where light enters the eye, the iris controls the amount of light that passes through by changing the pupil's dilation. Inside the eye are the retina, the macula, the optic nerve, and several other parts. With this structure, underlying diseases can cause vision problems or eye pressure.
Causes of tension behind the eyes
There are many causes of pressure behind the eyes. One of the most common causes is sinusitis. This is a condition in which the lining of the sinuses becomes inflamed, usually due to bacteria or viruses. Common symptoms of sinusitis include nasal congestion, fever, headache, or pressure behind the eyes. In some cases, people also experience pressure behind the eyes.
Mild eye strain can be treated at home. However, severe cases require immediate medical attention.
Another cause of tension behind the eyes is a migraine. The pain can be severe and accompanied by symptoms such as pain on one side of the face, drooping eyelids, muscle pain in the neck and shoulders, and other symptoms.
Graves' disease, an autoimmune disorder that involves problems like hyperthyroidism and bulging eyes, can also cause a feeling of pressure behind the eyes. Other causes include inflammation of the optic nerve, facial trauma, and toothaches, especially those caused by infections.
In some cases, the cause may be increased eye pressure. This is an emergency that requires immediate treatment.
Mild eye strain can be treated at home. However, severe cases require immediate medical attention. In this case, the patient will not only experience severe strain but also experience other unusual symptoms such as blurred vision, nausea, and vomiting, according to Medical News Today.
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