'visual assistance' is correct and usable in written English.
It is a term used to refer to a method of providing help to a person to complete a task through the use of visual tools, such as pictures. For example, "The teacher provided visual assistance to the students to help them understand the lesson."
Real-time visual assistance during colonoscopy on an adjacent monitor.
Additional video of real-time visual assistance during colonoscopy on an adjacent monitor.
Media services will provide audio and visual assistance to users with hearing and visual impairments.
The mapping of heart geometry with minimal visual assistance presents a technical challenge for interventional cardiologists attempting catheter navigation.
Allow me to make some suggestions: Level one might lack anatomical complexity: a clamshell vagina, its foliage neatly trimmed to provide visual assistance for the inexperienced.
Even his truly fluid calligraphic work benefited from some visual assistance: an abstract ink drawing executed on a page from a Manhattan telephone book is neatly framed by advertisements for the National Cash Register Company.
The site was created by the university's Office of Marketing and Creative Services, with visual design assistance from an outside firm, Interactive Technologies.
Unlike most modern radios, which can easily find frequencies with the assistance of digitally projected numbers on a screen, this handmade radio provides no visual aid.
RP Wonderland will be housed for the time being at the California Medical Center--giving information, referrals and visual-device assistance to RP sufferers.
The research described in this paper proposes methods for visually interpreting the content of raw NAND flash memory images into higher level visual artefacts of assistance in reverse engineering and interpreting flash storage formats.
(a) As a carrier, you must ensure that passengers with a disability who identify themselves as needing visual or hearing assistance have prompt access to the same information provided to other passengers on the aircraft as described in paragraph (b) of this section, to the extent that it does not interfere with crewmembers' safety duties as set forth in FAA and applicable foreign regulations.
