(1) “Beneficiary” means a person designated in the subscription certificate referred to in subdivision (8) as entitled to the vision services referred to in subdivision (8);

(2) “Commissioner” means the commissioner of commerce and insurance;

(3) “Covered dependent” means the spouse and adult dependent or child of a subscriber who is named in the subscription certificate issued to the subscriber, and with respect to whom appropriate premium is specified in the certificate;

(4) “Nonprofit vision service corporation” means any corporation organized pursuant to this chapter for the purpose of establishing, maintaining and operating a nonprofit vision service plan;

(5) “Nonprofit vision service plan” means a plan whereby specified vision service is provided by a nonprofit vision service corporation to subscribers to the plan;

(6) “Participating optometrist” means an optometrist duly licensed to practice optometry in this state who contracts in writing with a vision service plan corporation to perform the vision services specified in the subscription certificates issued by the corporation, and at rates of compensation determined by the board of directors of the corporation, and who agrees to abide by the bylaws, rules and regulations of the corporation applicable to participating optometrists;

(7) “Person” includes a natural person, a corporation, an association, a common-law trust or corporation;

(8) “Subscriber” means a person to whom a subscription certificate is issued by a vision care service plan corporation, which sets forth the beneficiaries and the kind and extent of vision service for which the corporation is liable to make payment; and

(9) “Vision service” means the usual and general professional services rendered by persons duly licensed under the laws of this state to practice optometry.