My family has also been going to Dr. Yip for years (he was previously the in-house optometrist at a local Target optical.)   He is very thorough with his exams and has a wonderful, calm manner about him.  It's true that his staff is great - they really work hard to make sure that you get a pair of lenses that fits your face and have the experience to fit you well.  (Vs other chains where they don't give a lot of guidance.)  The prices on the frames are NOT the cheapest in the world, they carry mostly designer brands so if you pick the Tori's (like I did!) you are going to pay for them...  Highly recommended!