Low-cost contact lenses to tackle color blindness

Image: 3D printed contact lenses for color blindness. Figure 2B(i) in the Reference Paper. Article by Andrea Portales. Advanced Science News – April 27, 2023.

Scientists used 3D printing and an inexpensive ink to make colored contact lenses that could improve color distinction in color-blind people.

Imagine ordering a pair of contact lenses customized to fit the curvature of your eye. Now imagine that they also correct your color blindness. Bingo! According to a recent study published in Macromolecular Materials and Engineering, this is not far from becoming a reality. Ahmed Salih, Haider Butt, and their collaborators at Khalifa University in the United Arab Emirates used advanced 3D printing and an economical dye to manufacture contact lenses that filter light to improve color blindness. […]

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