It is absolutely impossible to focus your eyes for 30 seconds and to not blink. I don't know anyone who can hold their eyes open and focus on some images for half a minute at a time!
I have to say, I'm pretty sick of being in the eye unit at the hospital. My second experience was better than my first, but after my third.. and fourth, I feel pretty sick to my stomach of the sight of it!
I've been miserable before because of my health, but this was something else - l osing your sight is pretty scary! I've learned to cope with pain, but I'm not used to feeling so vulnerable and partially sighted.