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Doctor insights on: My Eye Pupils Are Larger Than Most Others Should I Be Worried

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Pupil (Definition)

The pupil is the opening in the iris inside of the eye though which light is focused on the retinal film at the back of the eye. The iris can open and close in response to light to vary the amount inside the eye. It is what looks red, in the ...Read more


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Sisters pupil reacts to light but instantly returns to original (large) size even while light remains on eye? Is this normal?

Sisters pupil reacts to light but instantly returns to original (large) size even while light remains on eye? Is this normal?

Swinging flashlight : Testing for an afferent pupillary defect, a so-called marcus-gunn pupil, is performed with the swinging flashlight test. The comparison made is between the direct and consensual responses. When the consensual response exceeds the direct response, an optic nerve or retinal problem may be inferred. Your description may be of hippus, a benign tonal oscillation of the iris musculature. See an eye md. ...Read more

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Right pupil larger, espec. On waking, then back to normal. Opthamo said eyes good and pupils were even, months ago, but still very noticeable at times?

Right pupil larger, espec. On waking, then back to normal. Opthamo said eyes good and pupils were even, months ago, but still very noticeable at times?

Pupil: A reasonable number of people have anisicoria or irregular pupil size. However, I am not aware of this being transient. If you take meds to sleep, decongestants, or antihistamines at night time this may be causing this. ...Read more

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What to do if I have strange eyes! one pupil is larger than the other?

What to do if I have strange eyes! one pupil is larger than the other?

See eye specialist: There are several eye and systemic conditions that can cause different size in pupils (called anisocoria). It is important for you to see an eye specialist. ...Read more

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My son's left eye's pupil is bigger, should I be worried?

My son's left eye's pupil is bigger, should I be worried?

Probably not : In the absence of a head injury, a small difference can be normal, but evaluation by an ophthalmologist should be done to be sure. ...Read more

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Could an irritant in the eye cause one pupil to be larger than other?

Could an irritant in the eye cause one pupil to be larger than other?

Possibly: Contact with certain chemicals can affect pupil size, but there are several other conditions, some serious, which can also affect pupil size. See your ophthalmologist asap. ...Read more

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I have brown eyes that are turning gray from the outer rim toward the pupil. Should I be worried?

I have brown eyes that are turning gray from the outer rim toward the pupil. Should I be worried?

Eye color change: If you are using certain glaucoma eyedrops, such as latanoprost or travatan, the eye color may change. If you have certain diseases, the eye color may change. If the iris is changing color, you should be seen by an ophthalmologist for a complete eye exam. ...Read more

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Had eyes dilated for exam. Why do my pupils still stay so big for such a long time afterwards- even after my vision returns to normal?

Had eyes dilated for exam. Why do my pupils still stay so big for such a long time afterwards- even after my vision returns to normal?

Half Life: The medications used to dilate the pupils may linger in your system and the pupils can stay dilated longer even though your vision is relatively improved as your body gets accustomed to the amount of light entering with dilated pupils. ...Read more

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Eyes feel heavy & vision is blurry after the use of artifical tears. I also notice that when I look in the mirror my pupil gets big & small when blinking.

Eyes feel heavy & vision is blurry after the use of artifical tears. I also notice that when I look in the mirror my pupil gets big & small when blinking.

Hippus: Is the term that describes the rhythmic dilation and constriction of your pupils in response to lights when you open and close your eyes. This is a normal pupil response and there is nothing to worry about with this. As for your artificial tears, you may be having a reaction to the preservatives in the drops or they may be too thick for you. Try a different brand to see if this helps. ...Read more

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