For the purpose of K.S.A. 8-1749a , and amendments thereto:
(a) "Sun screening devices" means a film material or device that is designed to be used in conjunction with motor vehicle safety glazing materials for reducing the effects of the sun;
(b) "light transmission" means the ratio of the amount of total light to pass through a product or material including any safety glazing material to the amount of the total light falling on the product or material and the glazing;
(c) "luminous reflectants" means the ratio of the amount of total light that is reflected outward by the product or material to the amount of the total light falling on the product or material;
(d) "nonreflective" means a product or material designed to absorb light rather than to reflect it.