The image shows a pair of glasses sitting on top of a white surface, with a color chart and a scale beside them.
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The image shows a pair of glasses sitting on top of a white surface, with a color chart and a scale beside them. The glasses have a rectangular shape with a thin metal frame and lenses, and the scale has a black background with white numbers and markings. The color chart is composed of various shades of blue, green, yellow, pink, and purple.
