Model (model + version) is not considered part of the name of the trade because it shows how the color and pattern of the rhyme, but the lens indication and any other performance of the same shape.
The model name (model + version) is not considered part of the trade name. Because of the nature of color and pattern of the lenses. But indications and other performance the same shape.
Model name (model version) are not considered part of the name. Because it is the color and pattern of contact lenses, but the indications and the shape performance other, too.