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Congenital iris abnormalities can be surgically corrected, depending upon the type and the severity of the malformation. It sounds like your condition, from the description you gave, is where the iris tissue is attached to the anterior capsule of the lens.
The only way to fix this cosmetic issue is with intraocular surgery, where the strand of iris is torn free from its abnormal attachment. While this frees the iris in many cases it still does not look "normal" so, from a cosmetic point of view, the surgery would not have achieved the desired effect. So the net result is that you have taken on all the risks of intraocular surgery and got no benefit in return -- hence "The cure is worse then the disease" I agree with your ophthalmologist.....leave it alone.
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