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Doctor insights on: White Dot On Edge Of Iris

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I have a small white dot on the edge of my iris its irritated with redness in a line from the dot to bottom of my eye. Its been 2 days it itches.

I have a small white dot on the edge of my iris its irritated with redness in a line from the dot to bottom of my eye. Its been 2 days it itches.

Staph Margin Infiltr: A staphylococcal marginal infiltrate is the most likely diagnosis fitting your description, but a phlyctenule is also possible. SMI is associated with eyelash dandruff (blepharitis) so washing your eyelids and lashes might help with natural healing. See an ophthalmologist for a complete eye examination. If inside the eye, an iris cyst is possible, and a visit to an EyeMD will clarify the diagnosis ...Read more

Iris (Definition)

The iris is a structure within the eye that helps reduce the amount of light that reaches the retina. The iris is known as the colored part of the eye, and can be blue, brown, or any color or combination of colors in between. The iris is the portion of the eye that ...Read more


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I have a white dot on the edge of my iris since a week. I wear eye contacts. Is it bacterial infection? Is it dangerous? Eye gets red and irritated.

I have a white dot on the edge of my iris since a week. I wear eye contacts. Is it bacterial infection?   Is it dangerous? Eye gets red and irritated.

Eye irritaion: If the eyes gets irritated and red, something is bothering the eye. Stay away from the contacts for few days, if does not get better have it examined by your Ophthalmologist ...Read more

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Noticed a tiny white dot in top of brown part (iris). What could this be?

Noticed a tiny white dot in top of brown part (iris). What could this be?

Corneal issue: Changes in the iris are rare and usually accompanied by major internal eye issues such as inflammation or trauma. The dot you see is probably on the cornea and could be many things. If the eye is not inflamed or painful and the vision is normal, you can wait a while but if there is one of these problems then have an ophthalmologist look at it. ...Read more

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I need to know what's this white line/spot along the lower edge of my iris?

I need to know what's this white line/spot along the lower edge of my iris?

Corneal arcus: You are noticing a layering of lipid at the edge of the cornea. This is not on the iris which is inside the eye. Arcus is common and age related and almost never affects eye function or structure. ...Read more

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Please explain what it means if you have gray rings in the outer edge of your iris?

Please explain what it means if you have gray rings in the outer edge of your iris?

Corneal arcus: You are seeing a deposit of lipid at the outer perimeter of the cornea which is called arcus. This is very common and mostly is entirely benign. ...Read more

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Hello, I have a white dot on my iris (near 12 'oclock position) it doesn't hurt or irritate me, I wear contacts too. Should I be worried?

Hello, I have a white dot on my iris (near 12 'oclock position) it doesn't hurt or irritate me, I wear contacts too. Should I be worried?

Not to worry: Is it possible you've had it for a long time and just noticed it? Without pain or visual problem,it is unlikely to be significant. Keep an eye on it.(pun intended ) ...Read more

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Hello, i have a white dot on my iris (near 12'oclock position) and when i blink it bothers/irritates me. I do wear contacts, happening for 2 days

Hello, 

i have a white dot on my iris (near 12'oclock position) and when i blink it bothers/irritates me. I do wear contacts, happening for 2 days

Corneal ulcer: This is most likely (in a contact lens wearer) to be a bacterial ulcer focus on the cornea which appears to be on the iris due to juxtaposition. Remove your contact and seek help from the ophthalmologist to prevent this from spreading or deepening. ...Read more

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Last week noticed tiny white bump on upper edge of left iris. Now there are 3. No pain, but a little redness above them. Concern?

Last week noticed tiny white bump on upper edge of left iris. Now there are 3. No pain, but a little redness above them. Concern?

Bumps on iris: Would seek medical attention at doc/ urgent care/ optometrist . May be infectious vs inflammatory ( antibiotics versus topical steroids) and should be followed up w/in 48 hours ...Read more

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Could white spot on the edge of my iris be a sign of conjunctivitis? Or any idea what this could be?

Could white spot on the edge of my iris be a sign of conjunctivitis? Or any idea what this could be?

Pinguecula: When conjunctivitis occurs, the lining over the white of the eye turns red but sometimes much less so at the site of a normal structure termed pinguecula at the 3 and 9 o'clock position next to the cornea. Patients identify this as a white spot due to the color contrast, but it is a normal structure highlighted in the redness of the eye lining. ...Read more

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Recently noticed a very small oval shaped black dot near my pupil on iris. Brown eyes. What could this be?

Recently noticed a very small oval shaped black dot near my pupil on iris. Brown eyes. What could this be?

Nevus, cyst: If the lesion is truly on the iris, inside the eye, it could be a benign cyst, or nevus, or it could be a more serious growth. It is also possible that what you see is on the cornea, or clear surface of the eye. Whatever it may be, it's definitely worth taking a trip to your eye doctor to have him or her check it out. ...Read more

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I have a small white dot on the iris of my left eye super irritating. What could it be? I wear contact 24/7.

I have a small white dot on the iris of my left eye super irritating. What could it be? I wear contact 24/7.

Get the contact out!: This is a pseudomonas corneal ulcer until proven otherwise. See your ophthalmologist ASAP. Go to ER if you can't get an appointment. Take your contact lens out and place it in a clean container in some sterile saline or freshly boiled and cooled water. Take it with you to see the doctor for culture. This is an emergency. Never sleep in your contacts!! ...Read more

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Can a corneal ulcer on the edge of the iris turn from white to red?

Can a corneal ulcer on the edge of the iris turn from white to red?

Yes : A corneal ulcer causes a significant amount of inflammation and is a very serious ocular diagnosis. Treatment is imperative to limit the destruction of the corneal tissues, which can cause vision loss. The redness you see is due to the inflammatory response, which causes the adjacent blood vessels to dilate & the tissues to swell. The pain is due to the exposure of corneal nerves & tissue destruct ...Read more

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Help! I have white spot on my eye - mostly near iris edge. Any ideas?

Help! I have white spot on my eye - mostly near iris edge. Any ideas?

Pinguecula: Not a serious thing, can become red and inflamed. Caused by uv light and exposure the the elements. ...Read more

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I have white dot on bottom of iris but doesn't irritate eye. The only eye problem I have is styes. Should I be worried about the dot?

I have white dot on bottom of iris but doesn't irritate eye. The only eye problem I have is styes. Should I be worried about the dot?

The reassuring news: is that it isn't bothering you so some of the most worrisome things this could be would probably not be the problem: corneal ulceration, strep ulcer, etc. I would think it is most likely a pinguecula (pin-GWEK-you-lah), a normal deposit of elastic and fatty tissue which all eyes make to protect against wind, etc. OK to watch...if expands, becomes irritated, see your Eye doctor. Stay well:) ...Read more

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Small Dark arc along outer edge of iris in left eye. Lies exactly on edge if iris. Borders iris but only 1/2mm long,can only see it up close?

Small Dark arc along outer edge of iris in left eye. Lies exactly on edge if iris. 
Borders iris but only 1/2mm long,can only see it up close?

Difficult to say: Based on your description it is difficult to say exactly what it is. You probably need to be evaluated to determine if it's something that is benign and just needs to be monitored versus if it needs treatment. ...Read more

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A Grey patch on sclera appeared a week ago. It completely covers from the edge of my iris to inner corner of eye. Could this be a serious disease?

A Grey patch on sclera appeared a week ago. It completely covers from the edge of my iris to inner corner of eye. Could this be a serious disease?

Maybe: Several things are on the list including medications, diseases of the eye as well as other systemic diseases that can cause this. See link below for more info. Best to see eye doctor for eval http://www.aao.org/publications/eyenet/200703/am_rounds.cfm Hope this helps. Best of luck. Dr R ...Read more

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3-4 days ago, i noticed a small white bump on top of the edge of my iris. Dr said nothing about it both times i went, just eye is inflamed. Worry?

3-4 days ago, i noticed a small white bump on top of the edge of my iris. Dr said nothing about it both times i went, just eye is inflamed. Worry?

See eye doctor: If you saw an eye doctor and he was not worried then it is probably nothing serious. If it was a general md you might want a second opinion with an eye doctor. It could be anything from an inflamed pterygium (benign growth on eye), inflammatory reaction from blepharitis, corneal scar, infection or contact lens reaction. If it worsens or is associated with pain or vision loss, see your eye doctor! ...Read more