Our mission is protect the visual health of humans and their environment. We want that the logo have sunglasses as an icon.
I think i like this version the most out of the 3. the fonts are stronger, i like the arc of the glasses, i know it doesn't show a whole pair of glasses but i think this does the job, also the á line above the a kind of gets in the way, but i know there's not too much to be done about that.
I think that you can do something diferent and better. work a little more on the glasses and type
Eh....sunglasses? The brief says sunglasses!
I try here to reflect the edge of a lens, so the arc