Hello, sandra, just wanted to say hi, and that I've been there!
DS was patched from the age of 4.5- 6.5.
he was something like 8 in one eye and 3.5 in the other, but the patching worked, and he's now 3.5 and 5.25, or something (I cant' remember off the top of my head)
He was never teased about glasses....about 10% of children wear glasses, so there will probably be another 2 children in his class wearing them.
He wore a patch when in went into reception, and so the other kids took it as normal, but when he went back into year one, I asked the class teacher to explain to the children why he was wearing it, so they didn't all come and ask him individually.
Getting them to wear the bloody thing the patch is the hard bit. Tehy will probably give him the glasses first to let him get used to them, before introducing the patch. We had to wait about 6 weeks for our hospital appointment, I think. And then we went back every 6 weeks, then every 3 months for check ups. Don't panic about his eye getting worse...you have about 4 years before it's too late for patching, so there is plenty of time.
I haven't looked lately, but there is so much more available on the web these days to encourage children to wear a patch.
You just have to remember it does work...Good Luck!