The use of the stenopaeic slit thoringtons disk

the use of the stenopaeic slit thoringtons disk Background: the thorington method is a refractive technique using the stenopaeic slit, a trial frame accessory comprised of a disc with a narrow,.

the use of the stenopaeic slit thoringtons disk Background: the thorington method is a refractive technique using the stenopaeic slit, a trial frame accessory comprised of a disc with a narrow,.

the use of the stenopaeic slit thoringtons disk Background: the thorington method is a refractive technique using the stenopaeic slit, a trial frame accessory comprised of a disc with a narrow,. the use of the stenopaeic slit thoringtons disk Background: the thorington method is a refractive technique using the stenopaeic slit, a trial frame accessory comprised of a disc with a narrow,.
The use of the stenopaeic slit thoringtons disk
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2018.