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Journal of Ophthalmology
Volume 2017, Article ID 5649532, 12 pages
Review Article

Changes in Intraocular Straylight and Visual Acuity with Age in Cataracts of Different Morphologies

1Rotterdam Ophthalmic Institute, Rotterdam, Netherlands
2Amphia Hospital, Breda, Netherlands
3Netherlands Institute for Neuroscience and Royal Netherlands Academy of Arts and Sciences, Amsterdam, Netherlands

Correspondence should be addressed to Sonia Gholami; moc.liamelgoog@imalohg.ainos

Received 13 March 2017; Accepted 7 June 2017; Published 31 July 2017

Academic Editor: Jose M. González-Meijome

Copyright © 2017 Sonia Gholami et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Purpose. To investigate the significance of difference in straylight of cataract eyes with different morphologies, as a function of age and visual acuity. Methods. A literature review to collect relevant papers on straylight, age, and visual acuity of three common cataract morphologies leads to including five eligible papers for the analysis. The effect of morphology was incorporated to categorize straylight dependency on the two variables. We also determined the amount of progression in a cataract group using a control group. Results. The mean straylight was 1.22 log units ± 0.20 (SD) in nuclear (592 eyes), 1.26 log units ± 0.23 in cortical (776 eyes), and 1.48 log units ± 0.34 in posterior subcapsular (75 eyes) groups. The slope of straylight-age relationship was 0.009 () in nuclear, 0.012 () in cortical, and 0.014 () in posterior subcapsular groups. The slope of straylight-visual acuity relationship was 0.62 () in nuclear, 0.33 () in cortical, and 1.03 () in posterior subcapsular groups. Conclusion. Considering morphology of cataract provides a better insight in assessing visual functions of cataract eyes, in posterior subcapsular cataract, particularly, in spite of notable elevated straylight, visual acuity might not manifest severe loss.