J&J Vision says the Eyhance IOL delivers a 30-percent improvement in contrast in low-light conditions at 5 mm vs. a standard monofocal. Its powers range from +5 D to +34…
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Hello, I will have implanted monofocal iol soon but am very confused about it. Please could someone explain this to me? So, the lens can be adjusted to see only…
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This chapter primarily focuses on clinically and surgically relevant optics of commonly used intraocular lenses (IOLs). The reader will be introduced to the optics of IOL materials, edge design, and…
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IOL Opacification. Opacification of the IOL may occur in hydrophilic IOLs. Opacification of hydrophilic lenses has been described after pars plana vitrectomy and intraocular gas injection. A decrease in vision…
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Traditionally, the IOL has been formulated in a convex-plano (the posterior surface is plano and the anterior surface is convex) (X = +1) or a biconvex configuration (−1 < X…
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The geometry of the IOL is important for IOL calculations and it must be taken into consideration. Yet, we learn very little about this important topic and how it can…
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With the use of diffractive bifocal and trifocal IOLs, a target of plano is usually best to achieve the desired wide range of vision without glasses. But choosing the ideal …
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(d) of the IOL. Theformula used is A+F=A'or (1000 n/d)+F,= (1000n'/d'). n=1-336; n'=1; Fc=43D;d=-3-5mm.(1336/-3-5)+ 43=(1000/-2-952). Thusd'=-2-952mm. II. Secondly, wewantto knowthe radius (r,) ofthefront surface of the IOL. The formula is…
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But for cataract patients, plano may not be the best refractive outcome for every patient. In the absence of a truly accommodating IOL with a wide amplitude of dioptric effect,…
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The purpose of the present study is to evaluate the accuracy of IOL formulas (Barrett Universal II, SRK/T, Holladay 1, Hoffer Q, and Haigis) for the Acrysof IQ Panoptix TFNT …
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New generation Refractive - Diffractive presbyopic IOL. Provides better visual outcomes by reducing reflected glare. Reduces pupil dependency. Balanced distribution of light energy for all pupils and hence providing a…
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But be careful, because I am convinced that you should not aim for plano in patients with ultra-high myopia. The video presented below shows cataract surgery in a highly myopic…
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