This is a bit different from relaxation techniques but relevant to an aviation eye examination.
I'm not a medic or anything like that but have been doing quite a bit on Colour Vision lately and came across an article on the AOPA USA web-site, from which the following excerpt is taken.
I'm not suggesting that you or anyone else on PPRuNe uses this drug but this could be worth noting.
"And if you are thinking that color vision problems do not apply to you, remember this: Taking the anti-impotency drug Viagra may affect color vision. Don't go to see your AME for your medical until at least six hours after taking the drug."
I would be very interested to hear the opinions of any medically qualified persons on the relationship between the two.
Good luck with the medical,
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