May 2008
Volume 49, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2008
Refraction Changes in Different Artificial Vitreous Body Tamponade Eyes Based on Gullstrand-Emsley Schematic Eye
Q. Gao; X. Chen; J. Ge; Z. Lin
Author Affiliations & Notes
  • Q. Gao
    State Key Lab of Ophthalmology, Zhongshan Ophthalmic Center, Guangzhou, China
  • X. Chen
    State Key Lab of Ophthalmology, Zhongshan Ophthalmic Center, Guangzhou, China
  • J. Ge
    State Key Lab of Ophthalmology, Zhongshan Ophthalmic Center, Guangzhou, China
  • Z. Lin
    State Key Lab of Ophthalmology, Zhongshan Ophthalmic Center, Guangzhou, China
  • Footnotes
    Commercial Relationships  Q. Gao, None; X. Chen, None; J. Ge, None; Z. Lin, None.
  • Footnotes
    Support  the Science and Technology Foundation of Guang Dong Province of China (06104574) and the Science and Technology Foundation of Guang Zhou City of China (2006Z2-E0141).
Investigative Ophthalmology & Visual Science May 2008, Vol.49, 1439. doi:
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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.

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Abstract

Purpose: : 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.

Methods: : 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.

Results: : 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.

Conclusions: : The mathematic method by Gullstrand-Emsley schematic eye is useful for prediction the refraction changes in various artificial vitreous tamponade eyes.

Keywords: refraction • retina 
© 2008, The Association for Research in Vision and Ophthalmology, Inc., all rights reserved. Permission to republish any abstract or part of an abstract in any form must be obtained in writing from the ARVO Office prior to publication.
Copyright © 2025 Association for Research in Vision and Ophthalmology.
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