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Optical Center is the most well-known and trusted Optometrist in the metro. Optical Center is your one-stop shop for optical services. We offer a wide selection of lenses, frames, and prescriptions. Our opticians train to help you find the right pair of eyeglasses. Whether you’re shopping online or in person.
Optical Center Eyeglasses:
Our Optical Center provides a wide range of eyeglasses. Contact lenses, and glasses services. Our optometrists will help you choose the right frames for your face shape and lifestyle. And fashion needs. Well, now it matters because now I have to assign my axis to the place to put it on to an optical cross. This is an optical cross flat transposition at 45 degrees I have minus five there are no questions. It’s right there for you can draw the arrow no question do flat transposition that tells us. That 135 we’ve got minus seven when viewing a lens when looking. At it as if someone is wearing it your degrees run from 180 to zero so taking
Optical Center Lens:
This lens is the very lens that we were talking about red thickest – seven Green – Fox halfway between zeros. And 90 is 45 degrees halfway between 90 and 180 is 135 degrees remember that little box the little black box Optical Center. That I put in there my 90 degrees oh there it is again and I can take my minus seven and place it at 135 degrees. Like that this is what you’re doing this is the entire concept this is the optical cross
I am trying to draw the two principal powers and two principal meridians on a graphical. Representation of it and this is perfect between zero and 90 is 45 at 45. I’ve got my minus five my minus seven at 135 I’ve marked them and now. I can fill it in -5 at 45 degrees minus seven at 135 degrees which is taking the powers as given any prescription. Doing flat transposition in taking those two primary powers and putting. Them on two across. For example one let’s do another one
Alright, example number two has my script up here I’ve done my flat transposition already. What I need is already in front of me at 30 degrees I’ve got – 650 at 120 degrees. I have – 750 I take a lens like that one that we were looking at Optical Center and I examine it on my blog. And I have my thickest edge which is going to be my strongest power steepest curve going by 750 at 120 90 degrees. Where I have my finished point on the lens and that will. Be my 650 so like look at my cross 30 and be around here my 120. Then be somewhere in this neighborhood draw that down not out and. can even mark that 120 mark that 30 and if I take my lens.