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- Title
Decreased visual function due to high-level light scattering in a hydrophobic acrylic intraocular lens.
- Authors
Yoshida, Shinichiro; Matsushima, Hiroyuki; Nagata, Mayumi; Senoo, Tadashi; Ota, Ichiro; Miyake, Kensaku
- Abstract
Purpose: To investigate the effects of light scattering from the surface of hydrophobic acrylic intraocular lenses (IOLs) on visual function. Methods: A 67-year-old man was implanted with an IOL (MA60BM) in January 1998, but became aware of decreased visual function in May 2008. Observation with a slit lamp revealed light scattering throughout the entire optic of the IOL, which was extracted and replaced. Postoperative visual function improved at 1 month. The cause of light scattering was investigated with a focus on water permeating the IOL material. To confirm the effect of light scattering on visual function, light transmission of the extracted IOL was measured in physiological saline at 33°C, and the simulated retinal image was evaluated in a model eye. Results: Observation of the extracted IOL showed light scattering from the optic surface layer, the main cause of which was phase-separated water within the IOL material. Light transmission in the extracted IOL was 16.3% lower than that in an unused IOL in the visible range. Moreover, the simulated retinal image was hazy compared to that of the unused IOL. Conclusion: Severe surface light scattering from an IOL optic may decrease visual function.
- Subjects
INTRAOCULAR lenses; ARTIFICIAL implants; LIGHT scattering; VISION; EYE
- Publication
Japanese Journal of Ophthalmology, 2011, Vol 55, Issue 1, p62
- ISSN
0021-5155
- Publication type
Article
- DOI
10.1007/s10384-010-0901-2