Though eye pain is often caused by a minor irritation, it can also be a sign of a more serious problem, so understanding the causes is important.

Contact lenses macro close up. Man holding lens on finger. Customer, patient or eye doctor, oculist or optician in clinic.

Woman rubbing her eye outdoors

Woman using eye drop, woman dropping eye lubricant to treat dry eye or allergy, sick woman treating eyeball irritation or inflammation woman suffering from irritated eye, optical symptoms

Fatigued mature woman taking off glasses suffering from eye strain

Young woman putting eye drops

Red irritated human eye close up, allergy symptom

Medical plastic surgery, injury, wound, pain, human eye, dry eye syndrome, keratitis

Middle age woman suffering eyestrain at home

Ophthalmologist examining patient's eyes

Senior patient having an eye exam at ophthalmologist's office

Mature woman holds glasses with diopter lenses,rubs her eyes and looks through them, the problem of myopia, vision correction

Cureus

Accident and Emergency Nursing

The ocular surface

Merck Manuals

Survey of Opthamology

Opthamalic Epidemiology

Current Opinion in Opthamology

Indian Journal of Opthamology

Expert Review of Clinical Immunology

<div class="" data-block="true" data-editor="660ej" data-offset-key="87abn-0-0">
<div class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr" data-offset-key="87abn-0-0"><span data-offset-key="87abn-0-0"><span data-text="true">Eyes are complex globe-shaped organs about the size of ping-pong balls. Basically, the human eye works much like a digital camera. This is because of how it focuses incoming light to make a clear picture. Although the eye is </span></span><span class="qualifier"><span data-offset-key="87abn-1-0"><span data-text="true">just</span></span></span><span data-offset-key="87abn-2-0"><span data-text="true"> one part of the larger visual system.</span></span></div>
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<div class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr" data-offset-key="2m41j-0-0"><span data-offset-key="2m41j-0-0"><span data-text="true">The eyelid protects the eye and blinks often to keep the eyeball moist and clean. The cornea, a clear dome-like structure, covers the iris and the pupil. The cornea directs and focuses light rays which provides us with sharp vision.</span></span></div>
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<div class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr" data-offset-key="60uod-0-0"><span data-offset-key="60uod-0-0"><span data-text="true">The iris is the colorful part of the eye. More than giving us a distinct appearance, it performs a critical task. It consists of muscles that change shape and controls how much light goes through the pupil. The pupil is the black circle in the middle of the iris.</span></span></div>
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<div class="public-DraftStyleDefault-block public-DraftStyleDefault-ltr" data-offset-key="60uod-0-0">Eye health is an important and often overlooked part of a check-up. For those who do not require glasses, an optometrist is not part of their regular health visits. However, an optometrist does more than just test for eyesight. They perform a battery of tests for your eyeball's internal health and natural reflexes. If it has been a few years since your last optometrist visit, consider making an appointment soon. Many of us rely on our eyes for just about everything.</div>

Ailments

An "ailment" is a general term for minor to moderate physical illnesses, diseases, and disorders. In Facty Health, many different diagnoses fall under the ailment category. For example, acid reflux, eye disorders, skin problems, and GI problems, are considered an ailment.

In this category, you can discover natural home remedies for common symptoms. You will find that there is probably a miracle ingredient hiding in your pantry right now. Learn what foods to stay away from and which foods can help ease certain conditions. You can even learn to spot the early warning signs of some of the more severe diseases. Expect to find detailed and interesting information about the types of ailments, their symptoms, causes, and treatments.

If you have questions about a specific ailment or you just have a general curiosity for medicine, this would be a good place to start.

Eyes

Common Causes of Eye Pain

7. Keratitis

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