Prayers to save my hubby`s last good eye!

ok - as you know l am not into prayers - l am not a religious person - HOWEVER - my hubby Roy- has one eye - he was once completely blind 20yrs ago - but regained sight in one eye - -- and is now having problems with his ONLY one good eye.....which was not good in the 1st place - so prayers are much welcomed....he is VERY SCARED that he is going blind in his last good eye.
 His Eye doctor cannot see him until next week - but phoned in a prescription for special eye drops to help Roy with the pain, irritation, watering and blurred vision - today is a new day - so hoping he is at least pain free today!