"impede visibility" is a correct and usable phrase in written English.
It means to block or hinder one's ability to see clearly. Example: The dense fog impeded visibility and made it difficult for drivers to navigate the roads safely.
And in December, the men's giant slalom race in Val-d'Isere Val-d'Isere, Franceed -- but this time, because heavy snowasll impeded visibility.
That afternoon we move onto our first open water dive - shallow, with the fading sun impeding visibility, and firmly under our instructor's wing - but a great thrill nonetheless.
An exemption for immigration seems intended to impede such visibility, however.
With this in mind always try to walk up stream so the sediment cloud does not impede your visibility as well.
BMW points out that this can dramatically improve ergonomic design, letting experts see how cabin elements or other features might impede movement or visibility before they build a more expensive physical model.
Sight lines from the well-bolstered driver's seat are fantastic, an accomplishment given the wide rear roof pillars, which somehow do not impede over-the-shoulder visibility to the rear.
Rear visibility is somewhat impeded by the sloping back contour of the car, but it's helped considerably by a 360-degree view in the navigation screen, which can be switched on in forward or reverse gears.
5 Often, screening for HIV and co-infections is impeded by fear of social visibility, stigma and discrimination, and at other times by long waiting times in clinics, loss of one working day and social visibility associated with testing in public settings.
When passing a truck during rain or snow, place your wiper blades on high to ensure that your visibility is not impeded at any stage.[20].[20]
Weather has impeded the search, with rough waves decreasing visibility on the water and intermittent rain clouds obscuring the waves from above.
