Broken glasses

So, I've been wearing my spare glasses for about a month now. They're spares because the left lens has a tendency to pop out. This time, the screw holding the lens enclosure shut came out with the lens. The threads on the enclosure are stripped. zeightyfiv has helped me patch it together with wire, but the lens appears to be sitting differently, and I have a splitting headache. >..<

Been meaning to get my primary pair of glasses untweaked for a while now. This makes it urgent. Can any of you guys with knowledge of Boston recommend a place that does eyeglass adjustments?