Violet light filters in IOLs may reduce dysphotopsias

Patients implanted with the Tecnis Symfony OptiBlue IOL, which includes a violet light filter, reported fewer dysphotopsias at 1 month vs. those implanted with the Tecnis Symfony IOL, which includes an ultraviolet light filter.
“Extended depth of focus and multifocal intraocular lenses are associated with nighttime
dysphotopsias that can be significant to overall patient satisfaction and functional vision,” Daniel H. Chang, MD, of Empire Eye and Laser Center, Bakersfield, California, and colleagues wrote in Ophthalmology and Therapy. “Violet light filtration has been shown to reduce nighttime