Turkish Competition Board initiated an investigation on EssilorLuxottica S.A. in order to determine whether Article 4 of the Competition Act No. 4054 prohibiting anti-competitive agreements, and Article 6 of the Competition Act No.4054 prohibiting abuse of dominance had been infringed via exclusionary and complicating conduct in optical market. The press release dated 05.11.2021 about the investigation, initiated by the decision of the Turkish Competition Board, dated 21.10.2021 and numbered 21-51/709-M, is available via https://www.rekabet.gov.tr/tr/Guncel/essilorluxottica-s-a-hakkinda-sorusturma-acildi-9e0ce8ce483eec118144005056b1ce21