I think that what you’re looking for in a doctor (or in fact in any professional or other person or organisation you might want to deal with,) is someone who’s prepared to work at YOUR level, meet YOUR needs for information and help – the internet, of course, helping you in to locate such people and deal with them. And that when you’ve used the email form on their website to ask them something, and haven’t heard from them for 10 days, as is the case with Dr Donaldson, that Dr Donaldson may well be not one of those people.
For some of Dr Donaldson’s basic details and those of some other Sydney Ophthalmologists, use this link