We assist patients in Fairfax, Haymarket and South Riding, VA. You may also complete our contact form to schedule an appointment. Whether you need frames, lenses, or contacts, Eye and Vision Care is here to help. Stroke – In some cases, a stroke can cause changes in pupil size. Head Trauma – A concussion of head trauma can cause unequal pupils.Ĭluster Headaches – Cluster headaches can result in a constricted pupil. ![]() Multiple Sclerosis – Abnormal response of the pupils or afferent pupillary defect (APD) is an indication of multiple sclerosis. Lung Cancer – A certain type of lung cancer can affect the upper part of the lung, which can harm the pupillary nerve fibers. Glaucoma – A mid-dilated pupil can indicate glaucoma.īrain Tumor – A tumor or mass near the origin of the pupillary nerve fibers can cause problems within the pupil. Conditions Affecting Pupil SizeĪneurysm – One of the symptoms of aneurysm is dilated pupils. We can also help if you need new frames, lenses, and contacts. For your comprehensive eye health and vision exam, visit Eye and Vision Care. The best way to keep track of your vision and eye health is through regular eye exams. It’s why your pupil size can signify health issues that don’t have anything to do with your eyes. Any interruption in this pathway could affect the nerve and change pupillary reaction changes. It then travels near the optic nerve and then to the pupil. Uneven pupil size, or anisocoria, may be a normal variation in a person’s eyes or may indicate an underlying problem. In the mirror, the pupil of the eye appears as a black circle in the middle of the iris (the colored part of the eye). The nerve begins in the brain, goes down the spinal cord, over the top of the lung, under the subclavian artery, up the neck, and through the brain extensions. Pupillary Disorders Including Anisocoria. They will also take note of the speed and quality of pupillary response as well as any difference between two pupils.Ī very long nerve pathway in the body controls the pupil. ![]() Specialists examine the size and shape of the pupil in both bright and dim light. Seek immediate medical attention for the sudden onset of unequal pupil size. Sometimes, anisocoria can be a symptom of a disease. Unequal pupil size can be a sign of stroke, brain injury, or eye injury. When examining the pupil, eye doctors usually look for anisocoria or unequal pupil size. Learn what your pupil size can say about your overall health from an orthokeratology specialist. Your eye doctor will examine your eyes thoroughly and even order additional testing, like an MRI or X-ray.
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