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. 2024 Mar 7;18:723–733. doi: 10.2147/OPTH.S447627

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© 2024 Gal et al.

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Simulated images of elements in the Wilkins Egg and Ball test seen by a non-astigmatic eye (top row), in the circle of least confusion (COLC, second row), and both Sturm foci (2.00X180deg, third and 2.00X90deg, fourth row) of an astigmatic eye with 2.00 DC of astigmatism.