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I see..so what is their take on the dress code as of right now for opticians and lab technicians?

Are your local lenscrafters or pearle vision forcing you guys to wear uniforms now?

do bifocal segments have base up or base down prism and explain why

arent all bifocals plus power though? plus powers have base down prism

hmm thanks its a little clearer to me now

no one can explain this to me?

i have the systems for opthalmic dispensing book but i cant wrap my head around the concept of prism directions in bifocals. Take this slide for example. Why is the prism base up for the distance Rx...

i need help understanding prism directions in bifocal lenses. I dont understand what base up and base down prism mean. Can someone please explain this to me in kindergarden terms.