The Asia-Pacific Journal of Ophthalmology

Asia-Pacific Journal of Ophthalmology:

Issue 4, July/August 2017 Review Article

The Complexities of Negative Dysphotopsia

Geneva, Ivayla I.; Henderson, Bonnie A.



Author Information


From the *Department of Internal Medicine, SUNY Upstate Medical University, Syracuse, NY; and †Department of Ophthalmology, Tufts University School of Medicine, Boston, MA.


Reprints: Bonnie An Henderson, MD, Ophthalmic Consultants of Boston, 52 Second Avenue, Suite 2500, Waltham, MA 02451. E-mail: bonnieanhenderson@gmail.com.



Abstract


The appearance of a dark shadow in the temporal periphery, otherwise known as negative dysphotopsia, continues to be a problem for some patients after routine uncomplicated cataract surgery. Etiologies include type and design of intraocular lens (IOL), anatomical features and dimensions of the eye, pupil size, angle kappa, relationship of the optic to the anterior capsule, and the position of the optic/haptic junction of the IOL. Although the primary etiology remains controversial, it is clear that the cause is multifactorial. All of the factors should be considered when attempting to prevent or treat this phenomenon.




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