Depends: Some lenses are made of plastics which can yellow with age and uv exposure. Some are photochromic which gradually can build up a deposit which appears yellowish brown. Clear glass lenses do not become yellow with age.
Answered 3/16/2018
5.8k views
A doctor has provided 1 answer
A doctor has provided 1 answer
3 doctors weighed in across 3 answers
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question