Index is Standard glass n=1.523. Weight of each box varies as obviously ten -0.25 lenses are not as heavy as ten -6.00 lenses. It may be possible to make up an order of single lenses of assorted powers so long as the total quantity is for ten uncut lenses making up the full box.
These uncut spectacle lenses are ideal for professional opticians, providing custom-made options for eyeglasses and contacts.
