Lens selection

Question 1

Considerations for RX

Answer 1

-high myope (myopia management)
-high hyperope
-need for anti glare
-need for blue light filter
-high astig frame requirments
-determining index of refraction
-impact resistance
-frame requirments

Question 2

reasons for multiple pairs for single vision wearer

Answer 2

-style of frame
-sport specific
-different OC for diff sports

Question 3

reasons for progressives

Answer 3

-multi tasking
-budget for one pair
-need something to wear in all situations
-VI solution
-active lifestyle
-small amount of need for all distances
-FT wear
-primary pair

Question 4

how many mm are there between the refrence marks on a progressive

Answer 4

34mm

Question 5

how many mm from refrence point to PRP

Answer 5

17mm

Question 6

long corridor

Answer 6

soften the progressive graduation over the lens, resulting in less peripheral distortions, and wider intermediate and reading areas
-easier to adapt to as a first time wearer

Question 7

short corridor

Answer 7

allows for fast transition from distance to near

Question 8

reasons for lifestyle progressive

Answer 8

-compuyer use
-low hyperope
-new presbyope
-doesnt want to wear them all the time
-tasks - like sewing, music, painting, optician, nurse

Question 9

reasons for a bifocal

Answer 9

-TBI patient - brain injury clietns
-task specific - needs very wide distance or very wide near
-adaptation to the progressive features
-balance concerns / vertigo, walking with a cane

Question 10

reasons for a SV reader / SV distance

Answer 10

-reading long periods / near working hobby
-high distance needs
-posture - watch their head placement
-distance activities
-concerns with peripheral vision