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According to the course, what is the best motivation for an ECP to present lens options
What is not true about AR coating
Can AR lenses improve night driving vision
Which of these is not a general use of AR coating
How much light is transmitted through an uncoated CR-39 lens
What is true about constructive interference
What makes an AR coating appear colored
AR coatings can _______________________
Why are lenses sent through a multiple phased cleaning process
What is one function of a computer in AR deposition
What will protect the AR coating during edging
Which of these is not a good reason for selecting a lab
Which statement is correct
Can AR coating be removed from a lens in office
A scratch resistance coating will ___________________________
What imparts water and oil repellent properties to an AR coated lens
Which lenses automatically receive a hard coat
Which coating might be good for a steam press operator
What is the best coat if the wearer doesn’t want his eyes visible to an observer
Which material does not necessarily need a UV protective coat
Which is a less obvious source of UV radiation
What is true about the posterior lens surface
Which statement is false
What is a photochromic lens
Which lens has re-energized the use of glass lenses
Photochromic tint density responds to _______________________
Which of these methods cannot add photochromic components to the lens
Which lens treatment eliminates reflective glare
What is the term for a filter that is cemented between two lens surfaces
What is true about a polarized lens
Premium lenses __________________________
Which color provides contrast by filtering out blue light
Which lens material has a specific gravity of 1.32
A better ABBE value will _______________________
Which company makes SR-91
What is true about a lens bundle
A premium lens, a scratch resistant substrate and AR coating are all part of ___________________
What is the first thing to consider when considering a package
What lens material is often state mandated for use in children’s eye wear
Which statement is not true about lens bundling options