Jackson's Cross Cylinder | JCC | Refraction

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Optics of jackson cross cylinder | jackson cross cylinder power | how to use jackson cross cylinder | jackson cross cylinder technique |jackson cross cylinder definition | spherical equivalent of jackson cross cylinder | jackson cross cylinder principle | jackson cross cylinder optics | refraction jackson cross cylinder | properties of jackson cross cylinder
Cross cylinder examination (otherwise known as Jackson's cross cylinder) is an examination used for the final fine-tuning of the axis and strength of astigmatism after its determination through retinoscopy, stellate cycle or automatic refractometry.
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