Assertion: lens's power | /r/CapableOf | vary in a 1:1 relationship
Facets:
value: with the a-constants
type: OTHER
Source sentences:
text: Using A-constants is practical when a decision on the implant power has to be made during surgery because the power of the lens varies in a 1:1 relationship with the A-constants: if A decreases by 1 diopter, IOL power decreases by 1 diopter also.