Segment height on Bifocals - Buy Cheap Glasses Online, Prescription Glasses Frames Expert

Jayvon Eyeglasses · #1 (**permalink**) 06-29-2011, 05:40 AM

I am ordering Bifocals, but is there a need for segment height? How do I measure them for my glasses?

Linda Eyeglasses · #2 (**permalink**) 07-14-2011, 01:39 AM

Segment height depends on the lens height of the frame and how you wear your glasses. If customer does not include any special instructions, standard procedure is the reading height or reading bifocal height will be half of the lens height. For example the frame has a lens height of 30mm, the reading bifocal height will half which is 15mm.

Garrett Eyeglasses · #3 (**permalink**) 09-17-2011, 12:17 AM

I usually have my reading bifocals lower than the usual, so I ask to either have it 12mm from the bottom of the glasses.

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