June 2013
Volume 54, Issue 15
Free
ARVO Annual Meeting Abstract  |   June 2013
Restoration of acrylic intraocular lens injected through cartridge
Author Affiliations & Notes
  • Makoto Inoue
    Ophthalmology, Kyorin Eye Center, Mitaka, Japan
  • Jiro Hidaka
    HOYA Corp., Tokyo, Japan
  • Akito Hirakata
    Ophthalmology, Kyorin Eye Center, Mitaka, Japan
  • Footnotes
    Commercial Relationships Makoto Inoue, None; Jiro Hidaka, HOYA Corporation Medical Division (E); Akito Hirakata, None
  • Footnotes
    Support None
Investigative Ophthalmology & Visual Science June 2013, Vol.54, 830. doi:
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    • Get Citation

      Makoto Inoue, Jiro Hidaka, Akito Hirakata; Restoration of acrylic intraocular lens injected through cartridge. Invest. Ophthalmol. Vis. Sci. 2013;54(15):830.

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

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Abstract
 
Purpose
 

To evaluate the effect of temperature in restoration of acrylic intraocular lenses (IOLs) after injection through a cartridge.

 
Methods
 

Acrylic IOLs (SA60AT; Alcon, 251; HOYA, YA-65BB; HOYA, W-60, Santen, NX-70; Santen) were loaded or preloaded in a cartridge with viscoelastic material and injected into a water chamber under temperature control at 24 or 34 C°. Wavefront analyzer (LAMBDA-X, NIMO TR0815) was used to measure the form of IOLs. Time to restore the form of the IOLs was defined as Δcylinder power (difference from the baseline) < 0.2 diopter.

 
Results
 

All IOLs restored within 2 minutes at 34 C°. At 24 C°, SA60AT and 251 restored within 3 minutes but YA-65BB and W-60 (single-piece) required 3.5 minutes and NX-70 (three piece IOL with same material of W-60) up to 6 minutes. The central optical thickness of NX-70 (7.0 mm diameter) was 0.865 mm and was thicker than that of W-60 (6.0 mm diameter) at 0.640 mm. The cross section of the cartridge for NX-70 was round shape with mean diameter of 2.17 mm and that for W-60 was oval shape with 1.65 mm of mean diameter.

 
Conclusions
 

Restoration of IOL was dependent on temperature. However it may depend on the thickness of IOL and inner shape of the cartridge.

  
Keywords: 567 intraocular lens • 551 imaging/image analysis: non-clinical  
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