Optical Lens Tinting—A Review of its Functional Mechanism, Efficacy, and Applications

Raabe, Jared; Kini, Ashwini; Lee, Andrew G.

doi:10.17925/usor.2019.12.2.85

“…Management is based on existing treatments and protocols which are applicable to the specific conditions and symptoms being displayed [ 12 ]. Photophobia, for example, may be managed by using lenses that filter specific light wavelengths [ 90 ]. Visual acuity deficits may be treated with spectacles which have specific tints and prisms [ 91 ].…”

Section: Treatment and Management Of Tbimentioning

confidence: 99%

Traumatic brain injury and sight loss in military and veteran populations– a review

Hussain¹,

Raza²,

Cash³

et al. 2021

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War and combat exposure pose great risks to the vision system. More recently, vision related deficiencies and impairments have become common with the increased use of powerful explosive devices and the subsequent rise in incidence of traumatic brain injury (TBI). Studies have looked at the effects of injury severity, aetiology of injury and the stage at which visual problems become apparent. There was little discrepancy found between the frequencies or types of visual dysfunctions across blast and non-blast related groups, however complete sight loss appeared to occur only in those who had a blast-related injury. Generally, the more severe the injury, the greater the likelihood of specific visual disturbances occurring, and a study found total sight loss to only occur in cases with greater severity. Diagnosis of mild TBI (mTBI) is challenging. Being able to identify a potential TBI via visual symptoms may offer a new avenue for diagnosis.

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“…The FL41 should now have no part to play in reducing flicker, and yet it continues to be advocated in the treatment of photophobia. 41,46 This appears to be partly because the tint attenuates light at that portion of the visible spectrum at which the intrinsically photosensitive retinal ganglion cells (ipRGCs) are most sensitive, 47 and in 2010, the ipRGCs were linked to photophobia. 48 Since 2010, there have been five reviews of photophobia, [49][50][51][52][53] generally accepting the idea that the ipRGCs play a role, a seductive viewpoint given that the ipRGCs are the only photoreceptors that encode absolute light levels.…”

Section: Treatment Of Photophobiamentioning

confidence: 99%

“…The FL41 should now have no part to play in reducing flicker, and yet it continues to be advocated in the treatment of photophobia. 41,46 This appears to be partly because the tint attenuates light at that portion of the visible spectrum at which the intrinsically photosensitive retinal ganglion cells (ipRGCs) are most sensitive, 47 and in 2010, the ipRGCs were linked to photophobia. 48…”

Section: Treatment Of Photophobiamentioning

confidence: 99%