Doctor insights on:
Eyes Or Pupils Different Size
I notice when I have an anxiety Attack that the pupils of my eyes are Both different sizes is this normal or should I worry it stops when I calm down.
The pupil of the right eye of my girlfriend (18, contact lenses)is bigger than her left one.Can pupil sizes be different normally or is it a pathology?
Yes, & maybe: Some people are born with different sized pupils & it doesn't mean anything. If she's only recently developed them, it could be a sign of neurological problems, though. I recommend looking at old pictures- if they were different when she was little, like they are now, there's nothing to worry about. ...Read moreSee 1 more doctor answer
Pupils different sizes, noticed last yr. PCP noticed at physical. Since then notice it varies between equal and unequal sizes. Why? Ask eye doctor???
Likely normal: About 20% of people have anisocoria, or unequal pupils. It is not indicative of any disease, and does not threaten vision. You have probably had it your whole life and never noticed. As long as you don't have any visual or other symptoms, there is probably nothing to do. Hope this helps! ...Read more
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
Natural variation: Assuming that there is nothing wrong with the eye ( vision ok, no trauma, no redness, no pain) then what you are probably seeing is the natural variation of the iris color which can be patterned, variegated or as in your case sort of an outer ring of a different color than the inner ring. Enjoy the beauty of this as it is not harmful and will not affect eye health. ...Read more
Light reflex: When your eye is exposed to light, the dilated pupils receive a signal from the retina, through your brain which tells them to close down to limit the light entry and protect the eye. The pupils (iris) is a muscular structure in a radial pattern which responds to light signals this way. ;pretty cool! ...Read more
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