Symbol 2948 from ISO 7000 - Title/Meaning: Limited protection against sunglare Function/description: On sunglasses, to identify Category 1 ""light tint"" sunglasses with a luminous transmittance that provides limited protection against sunglare.Note: Forms part of series of five symbols depicting various degrees of sunglare reduction
pay attention to orientation of symbolAdditional information: 
Similar symbol has been in widespread use by the sunglass industry for some time.
Own work using: iso.org/obp/graphics/grs/2428951e-d6c5-4cf1-b46e-2ff216a09b19 200.png
Vectorization:  Mrmw