LISBON, Portugal — The perceived brightness with a small aperture is 30% to 60% greater than should be theoretically expected, according to a poster study presented here.
One of the potential issues with small aperture inlays or IOLs is that they reduce retinal illuminance. However, there is a significant history of clinical data showing that patients report less significant reduction in perceived brightness than expected.
“Due to neuroadaptation, the eye with a small aperture is somehow tuning the response and adjusting the difference in brightness,” Pablo Artal, PhD, said
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