June 2017
Volume 58, Issue 8
Open Access
ARVO Annual Meeting Abstract  |   June 2017
Intraocular lens movement in different states
Author Affiliations & Notes
  • Manqiang Peng
    Aier school of opthalmology, Central South University, Changsha, China
  • Ding Lin
    Aier school of opthalmology, Central South University, Changsha, China
  • Footnotes
    Commercial Relationships   Manqiang Peng, None; Ding Lin, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science June 2017, Vol.58, 2725. doi:
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      Manqiang Peng, Ding Lin; Intraocular lens movement in different states. Invest. Ophthalmol. Vis. Sci. 2017;58(8):2725.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose : To investigate intraocular lens (IOL) movement, measured by two kinds of instruments in different states.

Methods : The IOL movement was measured using anterior segment optical coherence tomography (AS-OCT) and optical low-coherence reflectometry in 38 pseudophakic eyes. Postoperative uncorrected visual acuity was greater than or equal to 0.8 and none complication occurred in all patients. A: Change of IOL position in fogging and accommodating states, measured by AS-OCT. B: Change of IOL position before and after torchlight irradiating on the unexamined eye, measured by AS-OCT and optical low-coherence reflectometry. C: Change of IOL position before and after using 1% pilocarpine, measured by AS-OCT and optical low-coherence reflectometry.

Results : 22 eyes were acrylic monofocal intraocular lenses, including 4-haptic IOL and L-haptic IOL. 16 eyes were L-haptic acrylic multifocal intraocular lenses. There was no change of IOL position in A and B. IOL movement were 92.4±12.1um measured by AS-OCT and 92.3±12.1um measured by optical low-coherence reflectometry in C. The IOLs showed backward movement except 4 IOLs in which there were no change.

Conclusions : Our results suggest that IOL do not move in accommodation state and pupil constriction state caused by torchlight, while mainly move backward when using 1% pilocarpine.

This is an abstract that was submitted for the 2017 ARVO Annual Meeting, held in Baltimore, MD, May 7-11, 2017.

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