Final answer:
Contact lenses are made through polymerization, and the material used is usually a type of thermoplastic called nylon. Nylon is made up of repeating units linked by amide links, similar to peptide bonds. These polymers can be mixed with additives to achieve different properties.
Step-by-step explanation:
Contact lenses are made through a process called polymerization. The material used in the polymerization of contact lenses is typically a type of thermoplastic called nylon. Nylon is made up of repeating units linked by amide links, similar to the peptide bonds found in proteins. Nylon polymers can be mixed with additives to achieve different properties, and they have various commercial applications including fabric, fibers, molded parts, and films.