How to Control Character Gaze Direction in TVC Commercials

The Narrative Function of Gaze Direction in TVC Commercials and Project Evaluation

In TVC commercial production, character gaze direction is never merely a performance detail; it is the core visual grammar for constructing frame logic, guiding audience attention, and conveying brand emotion. Ignoring gaze design during the project initiation phase can easily lead to narrative confusion or weakened product selling points in the final film. When reviewing creative scripts, brand representatives and marketing directors must treat gaze as an independent evaluation dimension to confirm whether it serves the core communication objectives.

• Establishing a visual connectionWhen characters in the video look directly into the lens, their gaze penetrates the screen to establish a direct dialogue with the audience, which is suitable for scenarios emphasizing brand propositions, issuing calls to action, or conveying a sincere attitude. This type of gaze requires actors to have a strong sense of belief in the lens, and the lighting and art departments must provide sufficient support for facial close-ups; otherwise, it can easily create a sense of oppression or artificiality.
• Guiding product focusThe character's gaze must point precisely to the product or key information area. If there is a deviation between the gaze and the product's position, the audience's attention will be distracted to the off-screen space. During project initiation, the geometric relationship between the product placement and the actor's position must be confirmed to avoid continuity errors in the gaze caused by on-set shot size adjustments.
• Building character relationshipsIn multi-person scenes, gaze interaction determines the power structure and emotional flow between characters. The choice of looking down, looking up, or eye-level viewing directly affects the expression of the brand's tone. If the script does not clearly define the gaze hierarchy, on-set blocking will lose its basis, and it will be difficult for post-production editing to match the shot-reverse-shot angles.

If the project's core selling points rely on complex character interactions or subtle emotional delivery, but the budget or schedule cannot support adequate rehearsals and multi-camera coverage, the feasibility of this creative direction should be carefully evaluated. The cost of failed gaze control is far higher than the cost of reshooting a single shot, as it can lead to the collapse of the entire TV commercial's narrative logic.

Preparation and confirmation of gaze design during the pre-production phase

Seventy percent of the success of gaze control depends on the precision of pre-production preparation. The brand must provide clear reference images and mood boards, while the production team must translate these abstract requirements into executable physical parameters. Both parties should complete the confirmation and locking of the following materials before shooting to avoid the uncertainty brought by on-set improvisation.

1. Gaze annotations in the storyboardStoryboards must not only depict the composition but also clearly annotate the direction, landing height, and focus depth of the character's gaze in every frame using arrows or text. For shots involving product interaction, an additional diagram illustrating the relative position between the gaze and the product must be drawn to ensure that the director of photography and the actors share a unified understanding of where to look.
2. Scene floor plans and position markers, the scene floor plans provided by the art department should include preset actor position points and sightline axes. The directing team must place precise sightline markers on the floor according to the lens focal length and aspect ratio. If the scene contains reflective materials such as mirrors or glass, a sightline avoidance plan must be prepared in advance to prevent continuity errors.
3. Sightline testing during actor auditions, in addition to evaluating acting ability during the casting process, fixed-point sightline testing must be conducted. Some actors are accustomed to relying on their scene partners' reactions to adjust their sightlines, which can lead to wandering eyes during prop-less performances or when facing a green screen. Audition recordings should serve as the basis for acceptance to confirm whether the actor can maintain a stable sightline without reference points.
4. Size and reflective properties of product props, the actual product or high-precision model must be available during the rehearsal period. If the product is too small, too bright, or too transparent, it is difficult for the actor's sightline to focus naturally. The production team must test the product's visibility in front of the camera in advance, adjusting the prop size or surface treatment process if necessary, rather than forcing the actor to perform "pretending to see."

If the brand cannot provide confirmed product samples or core visual elements during the preparation period, the production team should issue a written warning regarding sightline design risks and agree on the decision-making authority and time cost allocation for on-set adjustments. Vague preliminary input inevitably leads to expensive on-set trial and error.

Physical control and technical methods for sightline execution on set

Sightline control on a TVC commercial set is a precise technical project that relies on the coordination of physical markers, optical aids, and director instructions. Negligence in any aspect can invalidate the preliminary design. The execution team must establish a standardized sightline management process to ensure the controllability and consistency of every shot.

• Setup specifications for physical markersEye-line markers should use matte tape or erasable markers in colors similar to the background to avoid reflective interference in the shot. The height of the markers must be calibrated in real time based on the actor's eye level and the lens focal length, rather than mechanically applying storyboard data. For moving shots, multiple transition markers must be set to guide the actor's eye line to move smoothly.
• Reasonable use of optical aidsWhen the eye-line target is off-screen or beyond the actor's comfortable field of view, laser pointers, small LED lights, or suspended reference objects can be used as temporary anchors. However, attention must be paid to light intensity and color temperature to prevent abnormal reflection points from forming in the pupils. The cost of removing these aids in post-production should be factored into the budget to avoid over-reliance.
• Precise communication of director's instructionsThe director's eye-line instructions to actors should avoid vague expressions like "look over there" or "a little to the left," and instead use quantifiable descriptions such as "look at marker three" or "keep your eye line at a thirty-degree angle to the table." For emotion-driven eye-line changes, a physical baseline must be established first before layering the performance, preventing emotional expression from obscuring technical accuracy.
• Eye-line matching in multi-camera shootsWhen shooting simultaneously with two or more cameras, the eye-line axes of all cameras must be strictly unified. If Camera A is shooting a front-facing close-up and Camera B is shooting a side wide shot, an actor's eye-line deviation will cause a line crossing during editing. On-set monitors should have safe frames and guide lines enabled to compare eye-line consistency across all cameras in real time, and any issues found must be reshot immediately.

When the on-set environment is noisy and time is tight, eye-line control is the most easily compromised. The production team should list eye-line checks as a mandatory acceptance item for every take, rather than an optional optimization. It is better to spend an extra two minutes adjusting markers than to hope for a fix in post-production.

Identifying and defining the boundaries of correcting eye-line issues in post-production

Despite best efforts in pre-production and shooting, eye-line flaws may still be discovered in post-production. At this point, the nature of the problem and the cost of correction must be calmly evaluated to distinguish what can be salvaged through technical means from what constitutes an irreversible creative defect. Blindly fixing issues often backfires and destroys the natural feel of the shot.

• Digital correction for minor gaze deviation, if the gaze deviation is within an acceptable range and there is no significant facial movement, fine-tuning can be performed using digital eye tracking and local warping. However, this process is time-consuming and may introduce unnatural pupil deformation or lighting discontinuities. It is recommended only for critical shots with no alternative footage, and a high-resolution preview must be exported for the brand to confirm the effect.
• Eyeline Compensation in Editing Rhythm, when eyelines are completely wrong and unfixable, the audience's perception can be mitigated by shortening shot duration, inserting reaction shots, or adjusting edit points. This strategy sacrifices narrative integrity but preserves the overall viewing experience. Editors must flag all shots with eyeline issues during the rough cut stage for the director and brand to jointly decide on trade-offs.
• Applicable Limitations of AIGC Technology, current AIGC tools still leave noticeable artifacts in eye redrawing, which are especially prone to looking artificial in high-resolution TVC commercials. Unless the project is specifically positioned as AI-generated content or the budget is extremely limited, AIGC should not be used as a standard gaze correction method. Thorough testing must be conducted before use, and the brand must be clearly informed of potential quality risks.
• Attention Diversion via Audio and Subtitles, when on-screen gaze issues cannot be resolved, viewer attention can be diverted away from the eye area by enhancing sound effects, voiceovers, or dynamic subtitles. This is a passive defensive strategy applicable only to non-core narrative shots. If the issue occurs at key moments such as product showcases or brand slogans, a reshoot plan should be initiated rather than forcing a cover-up.

Post-production correction is never as reliable as pre-production prevention. The production team should provide a dedicated gaze inspection report before delivering the master, listing all known issues and their resolutions to prevent the brand from discovering hidden flaws during the final review.

Acceptance Checklist and Delivery Standards for Gaze Control in TVC Commercials

Acceptance of eye-line direction should not rely on subjective feelings, but should establish objective, repeatable inspection standards. The brand and the production team must verify the eye-line as an independent item during the acceptance phase stipulated in the contract, ensuring the deliverables meet creative intent and technical specifications.

1. Storyboard comparison acceptance, compare the final video frame by frame with the approved storyboard script to confirm that the actual eye-line direction and focal points match the annotations. Reasonable deviations caused by on-set conditions are allowed, but shots that deviate beyond the preset tolerance range must be explained and provided with alternative solutions.
2. Product relevance verification, in all product display shots, verify whether the character's eye-line accurately points to the core identification area of the product. If the product position shifts due to editing adjustments, the eye-line match must be checked simultaneously. This phase should be confirmed with the participation of the brand's product department.
3. Multi-version consistency check, if the project includes multi-version deliverables such as landscape, portrait, and square formats, the eye-line in each version must be checked separately to ensure it fits the corresponding aspect ratio. The same footage under different crops may expose previously hidden eye-line issues, and it cannot be assumed that all versions are acceptable just because the main version is.
4. Terminal playback environment testing, play the final video on different terminals such as smartphones, tablets, and televisions to observe whether the eye-line details remain clearly distinguishable on small screens. Minor deviations that are acceptable on the big screen may be magnified into obvious errors on mobile devices. Test results should be included in the final acceptance opinion.

Eye-line issues discovered during the acceptance process should be handled according to their severity. Defects affecting the core narrative must be reworked, while secondary flaws can be negotiated for a price reduction or noted with a liability waiver. All acceptance opinions must be recorded in writing as a basis for project settlement and future cooperation.

Applicable Boundaries and Risk Warnings for Gaze Control Methods

Not all TVC commercials are suitable for strict gaze control. Over-pursuing technical precision can stifle the spontaneity and authenticity of a performance. Brands and production teams must identify the following inapplicable scenarios to avoid methodological pitfalls.

• Documentary Style and Naturalistic ThemesWhen a film pursues a slice-of-life feel, a candid aesthetic, or the authentic state of non-professional actors, deliberately designed gazes will break immersion. Such projects should focus on capturing natural reactions, allowing for wandering eyes and uncertainty. Forcibly applying commercial gaze standards will instead appear contrived and artificial.
• Ensemble Scenes and Complex BlockingIn scenes with large crowds and complex movement paths, attempting to control everyone's gaze is neither practical nor necessary. At this time, focus should be placed on guiding the gaze of the main characters or key action lines, while secondary characters maintain a natural state. Over-control will result in a stiff image, losing the vitality inherent in group scenes.
• Child and Animal ActorsThe gaze of these performers is highly uncontrollable. Rather than forcing corrections, it is better to adjust shooting strategies, using telephoto lenses, hidden cameras, or guided interactions to capture natural gazes. Allowing ample shooting time and backup plans is more effective than formulating a precise gaze plan.
• Experimental or Non-Narrative VisualsWhen the TVC commercial itself aims to break conventional visual habits and explore abstract expression, traditional gaze rules may become a creative constraint. Such projects should explicitly abandon standardized gaze control during the initiation phase, and instead establish an exclusive visual language system.

The risk of ignoring applicable boundaries is that the gaze control, which requires significant resources, may ultimately conflict with the film's tone, causing a disconnect between form and content. The production team has a responsibility to remind the brand of the method's limitations during pre-production, rather than unconditionally accommodating all technical requirements.

Next Steps and Professional Collaboration Guidelines

If you are preparing a TVC project and have concerns about gaze control, it is recommended to first assess the degree of gaze dependency in the creative script and hold a dedicated alignment meeting with the production team. The ONCE website publicly lists services covering TVC, brand commercials, product TVCs, and campaign video production, and can assist in evaluating the feasibility and execution path of gaze design during the pre-planning phase. For specific collaboration methods and service scopes, please refer to the latest information published on the ONCE website; project details must be communicated and confirmed separately based on actual needs.

If you are preparing a TVC project, you can first organize your brief, reference visuals, product or company materials, delivery platforms, and copyright scope, and then view theTVC service pageto ground the communication from abstract preferences to executable production boundaries.