Common Causes Of Eye Strain And Eye Pain

Foreign Object In The Eye

In rare cases, an individual can develop eye pain as a result of a foreign object in their eye. An individual's eyes have two mechanisms in place to help keep foreign bodies out of the eye. An individual's eyelashes function as a type of shield or buffer to stop particles from entering the eye. The lubricating fluid an individual's eye produces plays a role in keeping foreign bodies out by flushing out the foreign particles. However, foreign objects occasionally make it into the eye past the eyelashes and are not effectively rinsed away. A foreign body can stick to or embed itself into an individual's cornea or on the undersurface of their eyelid.

The most common source of eye pain when it comes to foreign bodies in the eye is called a corneal abrasion or a scratch in the clear outer layer of the eye. An individual affected by a corneal abrasion will experience a significant amount of eye pain because of the high concentration of specialized nerve endings in the cornea. The inner surface of the eyelid can become injured if a foreign body embeds into the outer layer of the eye and scrapes against it, which also produces eye pain.

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