That reads like a load of tosh.....
With my cataract surgery in a Gov hospital, there were Thais and Laos folk paying for the job, we were all put into the same ward together, overnight, all had the same routine, except me, family brought in my grub.....
Eye inspection in the morning before let loose. I and many take notice of what the professionals dictate as it is their show, their expertise that is fixing the eye problems, and not a bloke on TVF who thinks he knows better........