Good resource to understand diagnostic tools

[cathy8889]

I've been confused about what tests ophthalmologists should do and what controls should be in place to make them as reliable as possible, I found this website with links to the left for lots of different tests related to dry eye, sorry if this has already been posted, it might be useful for people going for there first appointment, it's definitely going to help me in future appointments

http://www.tearfilm.org/dewsreport/
Cath x