Environmental Applications 2 Flashcards
(31 cards)
What are standard daily lens colors?
-brown and grey
What is the standard color for skiers and snowboarders?
Grey
Do people who ski want polarized glasses?
Usually not, because they are going back and forth which could cause nausea
Mountains and road biker lens have a very ___ channel
Narrow
Football prescription visors. What are the problems with these?
- too much curve/wrap causes a fifth bowl effect (distortion)
- significant increase in vertex distance
In golfer lenses they have a very ____ channel and is located more ____
Narrow, located more inwards
What are 2 pros about golfer glasses?
- improves contrast to separate colors
- gives more depth cues to gauge distance and grass conditions
What is important to ask when prescribing fishing glasses?
What kind of conditions they fish in. Day, morning, rivers, deep water
What type of lenses do you want to rx for someone who plays baseball during the day?
- rose based for depth perception and contrast
- A/R coating and silver flash mirror for glare protection
What type of lenses do you want to rx for someone who plays baseball during the night?
- clear lenses
- light amber tint lens for depth perception and contrast
- A/R coating for playing under the field lights
What type of lenses do you want to rx for someone who plays baseball during the day and night?
-transition lenses that starts with a hint of gray
-A/R coating for playing under the field lights
-hydrophobic coating to repel sweat, water, and dust
You can also use interchangeable lens
Describe recreational lenses that are used for swimmers
- larger lens
- padded frames
- wide peripheral vision
- those who want an alternative going without glasses in the water
What type of swimming glasses offers positive diopter lenses
Hilco
What type of swimming glasses designs bifocal googles
Sporti
What type of swimming lenses are good for serious/lap swimmers
Aqua sphere
What type of lenses doesn’t work well for hunters and shooters?
Progressives, bifocals, single vision
What type of color lenses would be best for hunters and shooters?
Why?
- yellow and orange: increase contrast and depth perception (brighter the better for low contrast and near-dark)
- light purple: enhances orange of clay argent against a back ground of trees
What are some activities where ST28 would be beneficial???
- beneficial
- needlework
- artists
- shaving
- TV viewing
- fishermen
- scuba
- occupational
- hobbies
Why do are polarized lenses not recommended for pilots?
- they could interfere with visibility through laminated windshield
- reduce or eliminate visibility of LCD instruments
- eliminate/reduce visibility of instruments with polarization-based anti-glare filters
- could mask the sparkles/glare/reflection of light off shiny surfaces
What are some types of lens would you may want to give farmers?
- sturdy frame
- transitions
- flat top bifocal
- glass, polycarb (want something durable)
- coatings (repel rain, get rid of smudges)
What are some type of lenses would you may want to give a coal miners?
- yellow lens
- durable frame
- glass or polycarb lenses
- double d bifocals
What are some type of lenses would you may want to give a motorcycle rider?
- wide frames
- ventilation slits
- foam seal
- polarized
- UV
- hydrophobic
What are 3 tips you should use when picking shape and frames?
try to match eyewear with your best personal feature (blue eyes and blue frame)
- frame shape should contrast with your face shape
- frame size should be in scale with your face size
- eyewear looks best when staying in his or her own color base (warm or cool)
What type of frames are you looking for someone with a round face?
- angular, narrow glasses
- clear bridge that widens eyes.
- frames that are wider than deeper (rectangle)
