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Q. Gao, X. Chen, J. Ge, Z. Lin; Refraction Changes in Different Artificial Vitreous Body Tamponade Eyes Based on Gullstrand-Emsley Schematic Eye. Invest. Ophthalmol. Vis. Sci. 2008;49(13):1439. doi: https://doi.org/.
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© ARVO (1962-2015); The Authors (2016-present)
To determine the refraction in different artificial vitreous body tamponade eyes including silicone oil, heavy silicone oil, and polymeric gels after pars plana vitrectomy (PPV) surgery with Gullstrand-Emsley schematic eye.
The optical constants of artificial vitreous body -filled eyes were calculated based on No.1 Gullstrand-Emsley schematic eye with accommodation relaxed. The theoretical refraction was calculated in PPV alone and PPV plus lensectomy eyes after silicone oil, heavy silicone oil, and polymeric gels tamponade.
The theoretical refractions show a refractive shift of +8.93D, -6.29D and +0.23D in the PPV treated eyes, and of +11.33D, +20.71D, +16.73D in the PPV plus lensectomy treated eyes in silicone oil, heavy silicone oil, and hydrogels tamponade eyes, respectively.
The mathematic method by Gullstrand-Emsley schematic eye is useful for prediction the refraction changes in various artificial vitreous tamponade eyes.
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