Tom Ford glasses are expensive because of their high-quality materials, design, craftsmanship, and reputation. The frames are made out of premium acetate and metal, and they feature intricate detailing and unique designs. Additionally, Tom Ford glasses come with anti-reflective coating and scratch resistant lenses, making them a great investment. Furthermore, Tom Ford glasses have been highly reviewed by people who have purchased them, and they are widely considered to be one of the best luxury eyewear brands on the market.