Glare - Photochromic Lenses Flashcards
How much brighter can outdoor light be than indoor light?
25 times
Which type of glare is best managed by AR lenses?
Distracting
What year were photochromic lenses first released?
1962
What reverses a photochromic lens from dark to light?
Heat
Which photochromic lens manufacturing process distributes the photochromic molecules through the lens?
In-Mass
What is the major feature of DriveWear lenses?
They activate behind the windshield of a car
What is the range of electromagnetic radiations the eye is sensitive to?
380nm - 760 nm
How would you categorize a wavelength that was 295nm?
UVB
What types of UV radiation cause sunburn?
UVA and UVB
A superficial and painful inflammation of the cornea is known as what?
Photokeratitis
What is the third leading cause of blindness worldwide?
ARMD
Which of the following is mostly absorbed by the crystalline lens of the eye?
a.) UVA
b.) UVB
c.) UVC
d.) UVV
a.) UVA
How much UV radiation passes through a child’s crystalline lens to the retina?
75% of the total UV radiation that meets the eye
In the NHANES study, what was determined to be one of the most important independent epidemiologic factors for the formation of cataracts?
UV exposure
What item does “wrap” stand for in the Slip, Slop, Slap, and Wrap slogan used in Australia?
Sunglasses
Which organization recommends that sun lenses block 99% of UVB and 95% off UVA radiation?
ISO
In the Enhancements to Quality of Vision with Photochromic Lenses and Anti-Reflective Coating study, what percentage of the CTA group preferred photochromic lenses?
80%
In the Enhancements to Quality of Vision with Photochromic Lenses and Anti-Reflective Coating study, all of the following were preferred when wearing photochromic lenses except _____.
a.) Watching TV or movies
b.) Reading at the end of the day
c.) Performing outdoor activities
d.) Reading fine print under dimly lit conditions
d.) Reading fine print under dimly lit conditions
In the study, A Focus on Children’s Quality of Vision: Factors Affecting Eyeglass Lens Preferences, what percentage of subjects reported that photochromic lenses changed fast or kind of fast?
98%
Why did the researchers in the study, A Focus on Children’s Quality of Vision: Factors Affecting Eyeglass Lens Preferences, feel that children preferred photochromic lenses?
Because they received the eyeglasses for free from the study
What did the study, Evaluation of the Performance of Photochromic Spectacle Lenses in Children and Adolescents, attempt to determine?
The use and acceptance of photochromic spectacle lenses
What is the UVA transmittance tolerance specified in the Normal Use category by ANSI for very dark and strongly colored lenses?
Less than 1%
What causes pathological photophobia?
An ocular condition such as cataracts
What do you need before you can begin educating patients about products?
A knowledge of the product you will discuss
According to the text, people do not buy product features, they buy ____
Benefits
Why is it important to have the patient activate their new photochromic lenses using a UV demonstration unit?
It reminds them of the immediate benefits they will experience with their lenses
What does the text suggest that you might say when a patient states that photochromic lenses cost too much or that they cannot afford them?
Review the product’s features and benefits again
In order to satisfy a patient’s “What’s in it for me” reaction when you mention a product’s features you should always follow with a discussion of the product’s _____
Benefits
_________ is the key for ECP’s to help patients understand the recommendations they make.
Patient education
Why is it a good idea to provide local newspapers with articles?
They help establish you as a local expert
