眼镜店真的暴利吗？配眼镜时有哪些坑？【柴知道】

The cost of glasses is only a dozen yuan, but selling them to you will cost hundreds or even thousands. This is a saying that many people have heard. Is it really true? What pitfalls should you pay attention to when buying glasses? In order to answer these questions, we asked practitioners from the optical industry: from the profit model of optical shops, to choosing domestic products, or a series of issues such as lenses, frame selection, where to go for optometry, and whether it is reliable to buy glasses online. Hope it helps everyone~ Real-time updates. Subscribe!▶https://goo.gl/81zX4o 【Why is your head bald into M, C, U shape?】   • 为什么你的头会秃成M、C、U型？拿什么拯救你的发际线？Why is your hea...   【Why can't search engine find information?】   • 搜索引擎怎么搜不到信息了？因为互联网正在孤岛化 Why can't search e...   【Why is Bluetooth still popular with so many problems?】   • 蓝牙怎么这么多毛病？还依然长盛不衰？Why is Bluetooth still p...   【Is the expensive vacuum flask an IQ tax?】   • 贵的保温杯是不是智商税？不差钱的保温杯长什么样？Is the expensive v...   💡柴知道科普系列▶https://is.gd/g1ckYP 📘柴知道读书系列▶https://is.gd/kxgLND ============= Let's play together in the ocean of knowledge~ #柴知道 #ChaiKnows #眼镜