Fresnel prism - Open Access .click

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[Fresnel prisms--their value in the rehabilitation of homonymous hemianopsias].

Klinische Monatsblatter fur Augenheilkunde, 1988
The use of press-on Fresnel prisms is described as a simple inexpensive technique to rehabilitate patients with homonymous hemianopsia. The optical principle of prismatic displacement from the blind to the seeing fields is detailed herein. Forty-one patients were evaluated over a 10 year period. Twenty per cent benefited from the prism.
T R, Hedges, J, Stunkard, A, Twer
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Management of Patients With Small-Angle Esotropia and Subnormal Stereopsis Using Fresnel Prism

Graefe's Archive for Clinical and Experimental Ophthalmology, 2022
Haeng-Jin Lee, Seong-Joon Kim
exaly

Fresnel prisms and their effects on visual acuity and binocularity.

Transactions of the American Ophthalmological Society, 1979
1. The visual acuity with the Fresnel membrane prism is significantly less than that with the conventional prism of the same power for all prism powers from 12 delta through 30 delata at distance and from 15 delta through 30 delta at near. 2. The difference in the visual acuity between base up and base down, and between base in and base out, is not ...
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Fresnel Formulas. Birefringent Prism

1973
M. ROUSSEAU, J.P. MATHIEU
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Fresnel Prism Intraocular Lens and Scharioth Macula Lens