👓メガネEyeglasses. Means reading, studying and the "smart look". In texting it jokes about needing glasses or being a nerd. Alternative: 🕶️ (sunglasses) is cool instead of smart.
🤓オタクA face with thick glasses and buck teeth. Conveys geekiness, intelligence and enthusiasm for niche interests.
🧐モノクルを付けた顔A face with a monocle. Conveys inspection and scrutiny — examining something closely, or a skeptical, rich-person meme.
🕶️サングラスSunglasses. Means cool, chill and "deal with it". Use it for summer, confidence and smooth exits. Alternative: 😎 (smiling face with sunglasses) adds the smug face.