Search this site
Embedded Files
Skip to main content
Skip to navigation
Home
About
Education
Eye Anatomy & Equipment
Professions & Procedures
Vision Impairments
Glasses & Contacts
Research
Pre-Optometry Info
Optometry Schools
OPTOmist Articles
OPTOmist YouTube
Other
Eye-Related Media Sources
Eye-Related Vocabulary
Fun Facts About the Eye
Donation Links: Gift Vision
Home
About
Education
Eye Anatomy & Equipment
Professions & Procedures
Vision Impairments
Glasses & Contacts
Research
Pre-Optometry Info
Optometry Schools
OPTOmist Articles
OPTOmist YouTube
Other
Eye-Related Media Sources
Eye-Related Vocabulary
Fun Facts About the Eye
Donation Links: Gift Vision
More
Home
About
Education
Eye Anatomy & Equipment
Professions & Procedures
Vision Impairments
Glasses & Contacts
Research
Pre-Optometry Info
Optometry Schools
OPTOmist Articles
OPTOmist YouTube
Other
Eye-Related Media Sources
Eye-Related Vocabulary
Fun Facts About the Eye
Donation Links: Gift Vision
Trifocal Lenses
Information coming soon...
Year Invented
-
T
Inventor -
T
Function -
T
Details -
T
Google Sites
Report abuse
Page details
Page updated
Google Sites
Report abuse