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
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:https://doi.org/
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    • Get Citation

      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)

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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 
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