16 AI answers to 5 prompts name 11 brands. Zenni Optical leads with 17.1% of mentions; the top 3 hold 47.4%.
Brands and sources in the sampled answers
Share of brand mentions in Eyewear retailers answers
Fragmented: no brand dominates. The top 3 hold 47.4% of mentions; the leader 17.1%.
Every engine sampled