|MadSci Network: Medicine|
(Please read before discarding!) I have often seen questions about a permanent way to change eye color, and the usual answers provided are: a reminder about what is known about genetic determination of eye-color (not simply a Mendelian heredity, different genes on different chromosomes for blue, green, brown, centrally brown iris, possible co-expression of genes with different proportions, producing thousands of possible nuances), reminder that a baby's eye color is unstable and that iris pigmentation can evolve through the years, that one must not mistake arcus senilis with "eyes becoming blue", that the use of Latanoprost and similar medications car darken the iris, that the only way to change one's eye color is to wear cosmetic contact lenses. So let me put it otherwise: can you explain, by the detail, WHY it is NOT possible to do it. Why it's not feasible to micro-surgically scour the iris to remove a part of its melanin (of course, I'm aware of the risks, I wouldn't do it, my question is theoretical), and why there are no chemicals that can provoke a melanin dispersion. I've read in the British Journal of Ophthalmology about one unique case of unexplainable iris depigmentation in reaction to treatment by Levobunolol eye-drops , but it seems to be a non-reproducible oddity. Why is the iridal melanin so stable, so "etched", so impervious? Thank you in advance for your answer.
Re: I wish to encompass and rephrase many questions about eye-color change.
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