slab-off prism

noun

A lens modification used to correct for differences in vision between the two eyes, particularly in cases of anisometropia, in which a prism is ground into the lens of the eye with the stronger prescription, thereby helping to align the visual images seen by both eyes.

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Meanings

nounslab-off prism (plural slab-off prisms)

plural slab-off prisms

  1. A lens modification used to correct for differences in vision between the two eyes, particularly in cases of anisometropia, in which a prism is ground into the lens of the eye with the stronger prescription, thereby helping to align the visual images seen by both eyes.

    Although Fresnel prism may be used for full-time wear, if successfully worn, it is possible to replace it by ordering slab-off prism with the slab line oriented vertically.

    2023, Clifford W. Brooks, Although Fresnel prism may be used for full-time wear, if successfully worn, it is possible to replace it by ordering slab-off prism with the slab line oriented vertically., page 425
Cite this entry
APA

slab-off prism. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/slab-off%20prism

MLA

“slab-off prism.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/slab-off%20prism. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “slab-off prism,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/slab-off%20prism.

Source: slab-off prism on Wiktionary, CC BY-SA 4.0.