RCW 48.21.140: Optometry.

Notwithstanding any provision of any group disability insurance contract or blanket disability insurance contract, benefits shall not be denied thereunder for any eye care service rendered by a holder of a license issued pursuant to chapter 18.53 RCW, provided, that (1) the service rendered was within the lawful scope of such person's license, and (2) such contract would have provided the benefits for such service if rendered by a holder of a license issued pursuant to chapter 18.71 RCW.