15 - Segment Related Vertical Imbalance Flashcards
What are the 4 steps to correcting vertical imbalance with dissimilar segments?
1) Determine the vertical imbalance
2)Determine the distance between the segment OC’S
3)Determine which lens gets the higher segment OC
4)Choose 2 different segment styles
Which lens gets the higher seg OC when we are correcting vertical imbalance with dissimilar seg heights?
On the lens with the most minus or least plus
When is using dissimilar seg heights for correcting vertical imbalance used? 1
For low vertical imbalances
Why is dissimilar seg heights often not used to correct vertical imbalance? 2
Cosmetically unappealing
for high amounts of vertical imbalance
field of view of - px is looking through the distance portion of one lens and the seg portion of the other