Abstract
The effect of blue-light-blocking lenses on retinal straylight
Highlights
Retinal straylight is one of the main optical factors affecting driversvision quality
As yellow lenses filter blue light, it is believed that their use could decrease the intensity of scattered light in the eye
The results revealed that subjects with yellow intraocular lenses (IOLs) could withstand considerably brighter light than subjects with clear IOLs
Summary
Retinal straylight is one of the main optical factors affecting driversvision quality. Some researchers have suggested that yellow-tinted lenses can reduce disability glare (Hammond et al 2009; Massof 2019) This hypothesis is often based on the assumption that the human eye is affected by Rayleigh-type light scattering, in which short-wavelength light is scattered more than medium- and long-wavelength lights. Hammond et al (2009) investigated whether implanting yellow intraocular lenses (IOLs) could provide visual benefits in terms of glare disability and photostress recovery. They used the grating stimulus in a veiling glare experiment, and the intensity of a broad-band glare source (xenon annulus) was adjusted until the grating stimulus was no longer visible. The results of other research (Silica et al 2010; Eperjesi and Agelis 2011) showed no improvement in visual acuity and contrast sensitivity with yellow-tinted lenses
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