The phrase "aid the viewer" is correct and usable in written English.
It can be used when discussing how something, such as a visual or a presentation, helps or supports the understanding of the audience.
Example: "The graphics in the presentation are designed to aid the viewer in grasping complex concepts more easily."
Alternatives: "assist the viewer" or "support the viewer".
Beginning with his score for Star Wars, Williams assigned his characters and the scenarios they inhabit identifying melodies that recur whenever needed to aid the viewer.
I was involved in the embryonic stages when Channel Nine developed tools to aid the viewer in judging umpiring decisions, and have been a passionate supporter of the Decision Review System (DRS).
Figure 1 has been systematically redrawn in each panel with the new PTM shown on the surface where they overlap to aid the viewer to distinguish between different PTM-types.
The entry should locate the piece in the school and include other information that will aid in the viewer's experience of the piece, such as the title, a description, and a quote related to the theme being conveyed.
We feel size is helpful to dwarf the viewer aiding us in the lower of peace and serenity.
With the aid of the SL viewer, users can move around the virtual space by walking, running, flying, or teleporting to other locations and interact with other avatars via text or speech in real time, as well as attend live events (Inman et al. 2010; Wang and Burton 2013).
We found that both navigation aids enhanced the quality of the viewer's experience.
Only gradually, aided by the title, does the viewer come to recognise the subject: a view through the steel girders of the transporter bridge of the Pont Transbordeur in Marseilles onto a bright sailboat passing by on the waters below.
The decision aid oriented viewers to the decision(s) they should consider while viewing the program; whether or not to have screening and, if screening is desired, which screening test to have.
"Binoculars," a perceptual apparatus that the viewer peers into, blends five different colors with the aid of mirrors and fluorescent light fixtures.
Stumbling upon a knotted moss-like material, the viewer soon realizes we are watching a vision quest, aided by some stop-motion herbs and a tiny prop pipe.
