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  • Risley rotary prism
  • Maddox Phoria test

Risley Rotary Prism

Origin:Made In China
Category:Services / Therapies
Label:Maddox Phoria test , Risley prism , Risley roatary prism
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Member Information


Yuself Optical Co., Ltd.

Biz MemberJiang Su - China
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Last Online:17 Sep, 2021

Product Description

Risley prism system is a pair of matched glass wedges in series, to Maddox Phoria Measure and Anisophorias (the change in the phoria away from the primary position). This tests for anisophorias, vertical and horizontal, in all positions of gaze in real space instead of behind of phoropter, also handy with small kids. The prism is approximately 1" diameter and allows variable prism demand up to 20PD.

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Risley prism
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Risley rotary prism
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Maddox Phoria test
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Yuself Optical Co., Ltd.

No.455 Guangrui Rd., Wuxi, Jiangsu China

Maggie Li (Sales Manager)

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