Positive and Negative Dysphotopsias: Causes, Prevention, and Best Strategies for Treatment

Purpose of Review To explore the etiology and incidence of pseudophakic positive dysphotopsia (PD) and negative dysphotopsia (ND) and summarize strategies to prevent and treat its occurrence. Recent Findings PD is managed with intraocular lens (IOL) exchange for lower refractive index or treated edg...

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Bibliographic Details
Published in:Current ophthalmology reports 2021-12, Vol.9 (4), p.117-126
Main Authors: Adre, Ethan, Tonk, Rahul
Format: Article
Language:English
Subjects:
Cataract & Refractive Surgery (CE Starr and A Brissette
Cataracts
Contact lenses
Disease prevention
Eye surgery
Inflammation
Intraocular lenses
Iris
Light
Medicine
Medicine & Public Health
Ophthalmology
Optics
Patients
Polymethyl methacrylate
Presbyopia
Retina
Section Editors
Silicones
Topical Collection on Cataract and Refractive Surgery
Visual acuity
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Summary:Purpose of Review To explore the etiology and incidence of pseudophakic positive dysphotopsia (PD) and negative dysphotopsia (ND) and summarize strategies to prevent and treat its occurrence. Recent Findings PD is managed with intraocular lens (IOL) exchange for lower refractive index or treated edge lenses or by use of photochromic contact lenses. PD related to presbyopia-correcting IOL designs is prevented with patient screening and education and mitigated post-operatively by optimizing visual acuity, treating ocular surface disease, and facilitating neuroadaptation through virtual augmentation. Consider IOL exchange if these measures fail. ND is managed with manipulation of the optic and the anterior nasal capsule through multiple surgical and procedural techniques. New IOL design and peripheral ring contact lenses are promising treatments. Summary Pseudophakic PD and ND are unique entities presenting independently of one another and demanding individualized prevention and treatments. A multifaceted approach will cater itself to the best treatment per patient.
ISSN:2167-4868
2167-4868
DOI:10.1007/s40135-021-00278-w