yes-- lighter colored eyes are even more sensitive than the darker ones-- The "pink" eye is lacking in color, so the nerves have nothing to absorb/soften the effects of the light before it gets to the retina and optical nerves. Think of footbal players with that black streak under the eyes--
A note from physiology class--melatonin regulates how well the iris functions, as well. Insufficient melatonin can 'stiffen' the iris--
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