Louisiana Revised Statutes Tit. 37, § 1065. Exemptions

A. The provisions of this Chapter shall not apply to physicians or surgeons licensed to practice in this state. But it is unlawful for any person, except those licensed to practice under the provisions of this Chapter, to have in their possession any trial lenses, trial frames, graduated test cards, or other appliances or instruments for the purpose of rendering assistance to their patrons in the selection of lenses, spectacles, or eyeglasses, or use any device, appliances, or instruments in testing the eyes for the sale of spectacles or eyeglass lenses other than the lenses actually sold, or sell or replace broken lenses in spectacles or eyeglasses except upon prescription of a licensed optometrist; or to examine for the fitting of, prescribe for, fit, adapt to, place on or remove, or direct the placing on or the removal from the human eye, contact lenses in any of their forms, including plano or zero-power contact lenses; or to sell any eyeglasses or spectacles other than those with plano power except upon the prescription of a licensed optometrist or physician, or to sell, offer for sale, dispense or distribute any contact lenses, including plano or zero-power contact lenses, except upon a valid and unexpired prescription of a licensed optometrist or physician.

B. No retail dealer shall directly or indirectly peddle, solicit, sell, or offer for sale glasses from door to door, or house to house, or away from his permanent place of business; however, nothing contained herein shall be construed to prohibit advertising for the furnishing of or the sale of eyeglass lenses, spectacles, eyeglasses, or the frames or fittings thereof nor to prohibit a retail dealer from engaging in the sale of a lens, lenses, eyeglasses, or spectacles on prescription from a licensed optometrist or physician.