posted on May, 8 2013 @ 04:03 AM
Pity once the iris is depigmented (blue), it can't be fully repigmented (brown)
I had LASIK not long ago and was surprised how fast and painless it was, despite several diopters of corneal tissue being sliced off!
I was beyond 'legally blind' but correctable, thus not, at worse that 20/250. It's amazing to now have 20/10 and with -.25 extra I can get to
As for color, it's just perceived. Theres literally no difference between a brown or blue eye, except the brown melanin helps absorb some harmful US
radiation that would otherwise yield more free radicals/and or toxic species in/thru the iris over decades of life.
Now, why can't they promise green, grey, hazel, violet? I know it has to do with refraction and disperse pigmentation (as opposed to almost total
depigmentation) but was wondering why more in depth, biologically, opthalmologically.