| 11. | A split diopter does not create real deep focus, only the illusion of this.
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| 12. | Those with accommodative insufficiency typically have PRA values below " 1.50 diopters.
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| 13. | His refractive error was + 10 Diopters in each eye, similar to current glasses.
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| 14. | If the difference between the eyes is up to 3 diopters, iseikonic lenses can compensate.
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| 15. | The lens can focus on a plane in the background and the diopter on a foreground.
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| 16. | Hipparchus measured the apparent diameters of the Sun and Moon with his " diopter ".
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| 17. | Only about 20 % of children with hyperopia greater than + 3.5 diopters develop strabismus.
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| 18. | Stacking lenses combines their power by simple addition of diopter strength, if their separation is negligible.
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| 19. | Though endorsed by many 3D websites, the diopter " fix " effect is still somewhat controversial.
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| 20. | Like all focusing anamorphics, Iscoramas cannot focus on close subjects without the assistance of a diopter.
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