Results 1 to 10 of about 1,326 (153)
Fresnel Prism on Hess Screen Test [PDF]
Case Reports in Ophthalmological Medicine, 2013 A 65-year-old male patient complained of diplopia after a cataract surgery. He had esotropia of 18 prism diopters (PDs) at distant and near deviation, and therefore, we performed the Hess screen test to identify any abnormal eye movement.
Kyung Min Koh, Ungsoo Samuel Kim
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Effect of Fresnel prism in small-angle esotropia (≤ 20 prism diopters) with fixation preference [PDF]
Graefe's Archive for Clinical and Experimental OphthalmologyAbstract Purpose We aimed to investigate the effects of Fresnel prism treatment for small-angle esotropia (≤ 20 prism diopters [PD]) with fixation preference. Methods We included 32 patients with remaining esotropia ≤ 20 PD measured using the simultaneous prism and cover ...
Hye Jun Joo +2 more
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Prism Success in Patients with Diplopia and Retinal Pathology [PDF]
Clinical OphthalmologyMariam Tadross, Kara M Cavuoto, Michelle M Falcone Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, Miami, FL, USACorrespondence: Michelle M Falcone, Bascom Palmer Eye Institute, 7101 Fairway Dr, Palm Beach Gardens, FL, 33418 ...
Tadross M, Cavuoto KM, Falcone MM
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Management of acute acquired comitant esotropia using prisms and vision therapy. [PDF]
PLoS ONEPurposeAcute acquired comitant esotropia (AACE) once considered rare, is now becoming more prevalent. Surgery in these cases can get delayed when the strabismus angle varies or if the patient is unwilling.
PremNandhini Satgunam +4 more
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A comparison of the effect of 3M Fresnel prisms and Trusetal prism foils on visual function
British and Irish Orthoptic Journal, 2010 Aim: To determine any differences in visual acuity (VA) and contrast sensitivity (CS) between 3M Fresnel prisms and Trusetal prisms foils. Methods: Sixteen participants (mean age 20 years) with normal VA and CS participated. The effect of 5 Δ, 10 Δ, 20
Stephanie H. Cotton, Helen J. Griffiths
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Successful prism treatment for cyclic esotropia: A case report [PDF]
American Journal of Ophthalmology Case ReportsPurpose: To report a case of cyclic esotropia successfully treated with prismatic correction. Observations: A 9-year-old girl presented with intermittent esotropia and diplopia occurring over the previous 4 months.
Noriko Nishikawa +4 more
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Peli prism fitting for homonymous hemianopia: Case series for fitting variations
Indian Journal of Ophthalmology. Case Reports, 2023 Peli prisms are Fresnel prisms for visual field expansion in homonymous hemianopia. They can be dispensed as temporary (press-on) or permanent prisms. In this case series, we discuss the general fitting techniques and report fitting Peli prisms in four ...
Ranindita Saha +2 more
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International Journal of Sustainable Energy, 2022 The degradation effect of triple-junction solar cells due to exposure in practical conditions and its influence on the performance of Fresnel concentrated photovoltaic system has been studied.
K. Mahalakshmi +2 more
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Prismatic treatment of acute acquired concomitant esotropia of 25 prism diopters or less
BMC Ophthalmology, 2022 Background This study aimed to assess the efficacy of prismatic treatment in a step-by-step manner to reduce prismatic strength in acute acquired concomitant esotropia (AACE) of 25 prism diopters (PD) or less.
Yan Wu +5 more
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Photonics, 2022 For optical beams transmitted by a right-angle prism, the Goos–Hänchen shift can never be seen as a pure effect. Indeed, the lateral displacement, caused by the total internal reflection, will always be accompanied by angular deviations generated by the ...
Stefano De Leo +2 more
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