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Doctor insights on: Eyes Or Pupils Different Size

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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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What are reasons why my eye pupils are different sizes?

What are reasons why my eye pupils are different sizes?

Needs eval: Unequal pupils can be from many conditions, some of which are very serious. Seek attention from an ophthalmologist. ...Read more

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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?

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 more

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Pupils different sizes, noticed last yr. PCP noticed at physical. Since then notice it varies between equal and unequal sizes. Why? Ask eye doctor???

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

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I'm 19. Told eye pressures were in 30s and cups different sizes. Grandpa had glaucoma in 70s. Eyes see fine. Have high bp but is controlled. Scared! ?

I'm 19. Told eye pressures were in 30s and cups different sizes. Grandpa had glaucoma in 70s. Eyes see fine. Have high bp but is controlled. Scared! ?

Eye pressures: In the 30s with optic cup changes suggest glaucoma. What did the Eye doctor. Think a visual field test as well as Opthamologist evaluation is indicated ...Read more

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I went to the eye doctor for the first time - the optic nerve size is slightly different between my eyes. Why would this happen/should I be concerned?

I went to the eye doctor for the first time - the optic nerve size is slightly different between my eyes. Why would this happen/should I be concerned?

No: Your ophthalmologist would have told you otherwise if there is a need to do something different, I believe he meant the optic disc rather, not the optic nerve. Just follow up routinely, with the ophthalmologist for fundus (back of the eyes) exam, and ocular pressure measurements, best wishes ...Read more

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My eye size different sudnly what can I do my city scan reports are normal one eye are small aid comparesion to other eye?

My eye size different sudnly what can I do my city scan reports are normal one eye are small aid comparesion to other eye?

Relax!: One side of your body is NOT the same as the other!
Ever see what it looks like when each half is exactly mirrored???? Looks like TWO DIFFERENT PEOPLE!

Hope this helps!
Dr Z ...Read more

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Can I choose how high a crease to get with Asian eyelid surgery? I've read about different crease heights with Asian eyelid surgery. Is this something I can choose, or does the surgeon choose depending on my eye/eyelid size? .

Can I choose how high a crease to get with Asian eyelid surgery? I've read about different crease heights with Asian eyelid surgery. Is this something I can choose, or does the surgeon choose depending on my eye/eyelid size? .

This: This will be a decision you will make with your plastic surgeon. Some of this will depend on your own anatomy of your eyelid and brow position.
You need to consult with a plastic surgeon in your area.
Best of luck to you.
www. Natureredefined. Com. ...Read more

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6 month old son's left pupil is sometimes a bit larger. Other times eyes appear same size. When irises contract or release, the difference persists.

6 month old son's left pupil is sometimes a bit larger. Other times eyes appear same size. When irises contract or release, the difference persists.

Ophtho visit: I would suggest seeing an Ophthalmologist (Eye doctor) asap. This can be something benign but also can be something more serious that needs to be looked at. The term is anisocoria. It can be just monitored or your son might need an MRI of the brain/orbits/neck to be sure nothing else in the brain is causing his pupils to look that way. ...Read more

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I have hydrocephalus and my pupils are like a pindrop size and I have a brown spots on my eyes?

I have hydrocephalus and my pupils are like a pindrop size and I have a brown spots on my eyes?

See Eye MD: People with increased pressure around the brain must be followed by an ophthalmologist to detect nerve damage that can cause blindness. Make an appointment with an ophthalmologist. ...Read more

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Can ear infection/disorder/disease or vestibular issues cause unequal pupil size? Opthamalogist says eyes fine and he doesn't suspect neurological.

Can ear infection/disorder/disease or vestibular issues cause unequal pupil size? Opthamalogist says eyes fine and he doesn't suspect neurological.

How unequal: Vestibular lesion would not alter your pupil size. If an ophthalmologist examined you and determined it to be not a cause for concern, please let it be.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex. ...Read more

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What controls eye movements and the size of the pupils?

What controls eye movements and the size of the pupils?

Cranial Nerves: Cranial N II (Optic) subtends vision, III (oculomotor) subtends levator, superior rectus (sup. Branch), medial rectus, inferior rectus, inf. Oblique & pupillary constriction (inf. Branch); IV (trochlear) subtends superior oblique; VI (abducens) subtends lateral rectus; and sympathetics along the arterial pathway subtend pupillary dilation. CN's on the left and right. Nuclei in the brainstem. ...Read more

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How do the pupils of your eye change size? What causes this?

How do the pupils of your eye change size? What causes this?

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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Can eye medicine (drops) effect the size of a pupil?

Can eye medicine (drops) effect the size of a pupil?

Yes: Eye doctors often use eye drops (atropine) to dilate the pupil so he/she can see the back the eye better during examination, but the pupil return to it normal size after the effect of the medication is gone. ...Read more

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Why does my eye have 2 different colors around the pupil, if you look up close?

Why does my eye have 2 different colors around the pupil, if you look up close?

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

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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?

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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Dear sir I have a eye pupil big in size then another. How can I resize this pupil? It was due to an accident by a cricket ball.

Dear sir I have a eye pupil big in size then another. How can I resize this pupil? It was due to an accident by a cricket ball.

Contact lenses: Pupils react to light and can contract and expand to let light in. Since your cricket ball injury I assume that something is damaged in one eye. I doubt any type of "resizing" will help. The "resized" side will still be different to the normal reactive side. How long ago was the injury? Maybe the injury is still healing, and will improve with time. ...Read more

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What causes uneven pupil size after eye injury?

What causes uneven pupil size after eye injury?

Damage: Trauma to the sphincter muscles of the iris can cause a larger pupil after trauma. ...Read more

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I had my pupils dilated yesterday at 11am (3 different drops) and my right eye is still dilated and my left eye isn't. it's been about 23 hours. Why?

I had my pupils dilated yesterday at 11am (3 different drops) and my right eye is still dilated and my left eye isn't. it's been about 23 hours. Why?

A not: Uncommon result of the drug (s) used to keep the pupils dilated enough for a complete retinal examination! The dose can vary (the amount that actually reaches the eye differs from side to side. The 23 hours is a bit longer than usual and if there is not SIGNIFICANT return to normal tomorrow the eye professional who did your exam should be contacted!! Hope this helps
Dr Z ...Read more

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Eye trauma mydriasis. 1 month used pilocarpine pupil go thalf smaller in size n its reacting to light should continue or stop pilocarpine?

Eye trauma mydriasis. 1 month used pilocarpine pupil go thalf smaller in size n its reacting to light should continue or stop pilocarpine?

Give it 6 months: Most trauma involving nervous and muscle tissue are given six months to maximize recovery. So you have about 5 months to continue the Pilocarpine to get the final effect. It sounds like you are getting recovery already. ...Read more

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Dear sir I am 27 year old but my left eye problem, I consult the doctor but dr. Tell me proggnosis of the pupil size explained due to post synechai.?

Dear sir I am 27 year old but my left eye problem, I consult the doctor but dr. Tell me proggnosis of the pupil size explained due to post synechai.?

Posterior synechai: This is likely due to iritis causing inflammation inside your eye, where the iris got stuck onto he lens. This causes irregular pupil. The main issue here is to treat the cause of the synechai. ...Read more

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How long will it take my pupil to go back to normal size after vitrectomy w/gas bubble insertion? My eye still looks dilated one week post op.

How long will it take my pupil to go back to normal size after vitrectomy w/gas bubble insertion? My eye still looks dilated one week post op.

Depends on meds: Your surgeon likely used a postoperative mydriatic/cycloplegic agent that keeps your pupil dilated & you ciliary muscle relaxed, both to ease postoperative pain. Occasionally, if laser endophotocoagulation is used during the vitrectomy, there is an infrequent occurence of residual mydriasis (iridoplegia) from laser damage of the short ciliary nerves. Most cases: dilation may last few weeks. ...Read more

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Got a large redbump center of eyelid-size of pupil in low light).When I squint my eye, bump feels like a bee sting. Lid stil swollen 2 days. Saw spidr.

Got a large redbump center of eyelid-size of pupil in low light).When I squint my eye, bump feels like a bee sting. Lid stil swollen 2 days. Saw spidr.

Stye: It sounds like a stye. Possibly a chalazion. Not anything dangerous and not because of a spider bite. Warm compresses, not just warm towel but use a potato in the microwave, wrap with wet towel. 20 minutes on. ...Read more

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Have scalp tenderness on right side along with ptosis of r eyelid, frequent headache which are worse behind and around right eye. Also pupils diff size?

Have scalp tenderness on right side along with ptosis of r eyelid, frequent headache which are worse behind and around right eye. Also pupils diff size?

Go to Doctor or ER: You need an evaluation to find out why the Right eyelid is drooping and the pupils are constricted. You might have Horner's syndrome which can be caused from multiple conditions including CVA, tumors etc. Get evaluated today! ...Read more

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My eyes are small sized but there is shape difference between two eye. One looking large the other look small?

My eyes are small sized but there is shape difference between two eye. One looking large the other look small?

No one is symmetric: Absolutely. You can see this by holding a mirror vertically up to your nose and looking first with one eye and then turning the mirror to look with the other eye.
Some of us are slightly more asymmetric than others. There's nothing wrong, you are just unique that way! ...Read more

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Could my ambiopia be caused by me having 2 differenct color eyes? Lt is brown, rt is blue on top brown on bottom. Rt one is my problem eye.

Could my ambiopia be caused by me having 2 differenct color eyes? Lt is brown, rt is blue on top brown on bottom. Rt one is my problem eye.

Not related: Amblyopia, usually defined as poor vision in one eye without anatomical abnormality, would not likely be related to differences in eye color. The changes you describe could be from an iris nevus (like a "birthmark") or some other uncommon eye problems. Have a thorough eye examination by an ophthalmologist to sort it out. ...Read more