NCLE Exam Questions and Correct Answers

NCLE Exam Questions and Correct Answers First person to be awarded patent for corneal lens made of PMMA - Answer-Kevin Tuohy Until 1930 all contacts where made of what material - Answer-Gelatin polycon 1 was developed by who? - Answer-Seidner the Biggest disadvantage of PMMA was its lack of what - Answer-gas permeability Which decade of the twenty first century where contacts marketed in - Answer-50s From the materials of choice for contacts was - Answer-PMMA The first company to market soft lenses in the US was - Answer-Bausch and Lomb One-day disposable soft lenses became available in - Answer-1994 The first company to make contact lenses of PMMA in the US was - Answer-obrig The company responsible for for bringing the soft lens material HEMA to the US - Answer-National Patent Development Corporation