She’s also a former ACE-certified personal trainer. se of One Pupil Temporarily Lorra Garrick has been covering medical, fitness and cybersecurity topics for many years, having written thousands of articles for print magazines and websites, including as a ghostwriter. The color difference between musician David Bowies eyes was from anisocoria. The formal term for a difference in pupil size is anisocoria. In some cases, the pupil returns to normal size with treatment. Boxer Wachler has delivered hundreds of lectures on eye surgery to thousands of eye surgeons from around the world, and is a pioneer in keratoconus treatment. A dilated pupil can be a symptom of a serious condition such as a stroke or brain injury. This is a harmless phenomenon of body asymmetry, just like, for instance, one nostril might be bigger than the other.There are no other associated symptoms.The difference in pupil size is very minimal, not particularly obvious, and almost always detected by the individual himself rather than someone speaking to him.However, there’s two things to note about this benign condition which affects an estimated 20 percent of the general population. Can It Ever Be Normal for One Pupil to Be Bigger than the Other? If the dark cancerous pigment is in the pupil, it can create the illusion that the pupil is more dilated than the other, when in fact, what the patient is seeing is the dark pigment of the cancer expanding beyond the pupillary border. There is yet a third very serious condition that can cause the appearance of one pupil larger than the other: ocular melanoma. It may also be caused by a brain aneurysm – another serious condition that needs prompt medical attention.Ī brain aneurysm is a bulge in a blood vessel that may rupture, spilling blood into the brain. You need to get it checked out immediately.” Boxer Wachler explains, “Without being dilated with eye drops, if one pupil is dilated and not responsive to light, this could be from a brain tumor. Sudden flashing lights, a noticeable increase in the amount of floaters (small specks, dots, circles, lines, or cobwebs in your field of vision), a shadow in your peripheral vision, or a gray. However, when someone notices that one pupil is bigger than the other, there may be no recent history of optometrist eye drops to dilate the pupil.ĭr.
Brian Boxer Wachler, MD, eye surgeon and founder of The Boxer Wachler Vision Institute, and developer of the Holcomb C3-R® procedure which treats a degenerative eye disease. “If you had your eyes dilated at the eye doctor’s office and one is still dilated, the dilation will go away by the next day,” says Dr. Treatment includes corticosteroids, drops to dilate the pupil and treatment for the underlying infection or disease (if any). This is very concerning – even if it was temporary and soon after, your pupils seem to be the same size again and are responding to changes in light. Or, if you’ve been in a dim room and then flip on the lights, holding a mirror before yourself, and you see the “normal” pupil adjusting, but the other one doesn’t show much response. The key issue here is the lack of response to light, as in, shining a flashlight into the larger pupil and observing no response. If you suddenly realize that one pupil is noticeably larger than the other and does not respond to light, take this matter seriously.
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