Except in cases of hernia, which are specifically covered by Section 61 of this act, where an injured employee unreasonably refuses to submit to a surgical operation which has been advised by at least two qualified physicians and where the recommended operation does not involve unreasonable risk of life or additional serious physical impairment, the Commission shall take the refusal into consideration when determining compensation for permanent partial or permanent total disability.
Okla. Stat. tit. 85a, § 54