I think the shops here are located all the areas (Tokyo..particularly Ginza and Shibuya, Kanazawa, and Kyoto)
- 999.9 (Four Nines)
Their eyeglasses are high-quality, and designs are beautiful. A bit more expensive than the stores I list below, but they have a luxury atmosphere.
JINS became very famous with Blue light cut eyeglasses. (http://www.jins.com/us/jins-screen) and JINS MEME (https://jins-meme.com/ja/focus/), the wearable eye device.
They have pretty designs and price is not so high.
ZOFF might be the most famous and popular eyewear stores for all generations. They have many types; from cheap ones to expensive ones. Their variety of design provides everyone at least one design he/she likes.