The lenses were created from a translucent resin that was tinted by combining it with two wavelength-filtering dyes.
is the absence or deficiency of a special pigment molecule in the visual center of a living thing. In either scenario, people are not able to distinguish various colors.
In this regard, Dr. Haider Butt, Associate Professor of Mechanical Engineering, Dr. Fahad Alam, Postdoctoral Fellow, Dr. Mohamed Elsherif, Postdoctoral Fellow, and Ahmed Salih put all their efforts into making color blind people's life much easier. Some of the wavelengths between green and red that confuse the photoreceptors can be absorbed and filtered out by certain dyes. The brain receives a sharper signal to aid in differentiating between the problematic colors when there is less color overlap. The other types of CVD can also be included in this idea. Thus, the team used two dyes.One blocked the undesired wavelengths for red-green patients, while the other filtered unwanted wavelengths for yellow-blue patients.
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