A simple variable prism with a linear scale

Glyn Walsh; Peter Rafferty; Edward Pearce

doi:10.1097/OPX.0b013e31815ed786

A simple variable prism with a linear scale

Glyn Walsh, Peter Rafferty, Edward Pearce

Vision Sciences

Research output: Contribution to journal › Article › peer-review

Abstract

We wished to produce a simple variable prism with a linear scale, but a routine search of the literature revealed nothing that was suitable for our purposes. The Zeiss keratometer and some other ophthalmic devices use the variable decentration of single ophthalmic lenses to obtain prismatic effects combined with a fixed spherical power, and this concept appeared to hold promise.

Original language	English
Pages (from-to)	67-68
Number of pages	2
Journal	Optometry and Vision Science
Volume	85
Issue number	1
DOIs	https://doi.org/10.1097/OPX.0b013e31815ed786
Publication status	Published - 1 Jan 2008

Keywords

optics
vision sciences

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10.1097/OPX.0b013e31815ed786

Cite this

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title = "A simple variable prism with a linear scale",

abstract = "We wished to produce a simple variable prism with a linear scale, but a routine search of the literature revealed nothing that was suitable for our purposes. The Zeiss keratometer and some other ophthalmic devices use the variable decentration of single ophthalmic lenses to obtain prismatic effects combined with a fixed spherical power, and this concept appeared to hold promise.",

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AB - We wished to produce a simple variable prism with a linear scale, but a routine search of the literature revealed nothing that was suitable for our purposes. The Zeiss keratometer and some other ophthalmic devices use the variable decentration of single ophthalmic lenses to obtain prismatic effects combined with a fixed spherical power, and this concept appeared to hold promise.

KW - optics

KW - vision sciences

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DO - 10.1097/OPX.0b013e31815ed786

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JO - Optometry and Vision Science

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A simple variable prism with a linear scale

Abstract

Keywords

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