視覺力量的概念為：「指定設計的視覺刺激程度即為視覺能量；越高度的視覺刺激，吸引越多的注意力。」，為了解產品造形是否也有如平面設計一般的視覺力量存在，但由於視覺力量多用在2D設計上，因此選擇了兼具平面與立體特質的汽車儀表板作為研究樣本。
本研究實驗樣本為25種造形不同的儀表板，過程分為三個階段，第一階段：以主觀評價量表，請受測者針對不同造形的儀表板評價其吸引目光的程度。第二階段：以眼跡追蹤儀紀錄受測者觀察靜態儀表板的視線資料。第三階段：使用眼跡追蹤儀紀錄模擬3種不同的駕駛任務，紀錄受測者執行任務時的視線資料。
實驗結果利用數量化一類與變異數分析，在主觀評價中所得到較能影響人們目光的造形因子，以及眼跡追蹤儀所紀錄2階段觀察的結果皆以儀表板裝飾線的因素為最主要，其次為計數表間排列的水平、垂直距離，但是對於儀表板裝飾線變數主觀跟評價與機器紀錄所得的造形因子卻是不同的，雖然其指出都為寬度深度相同的裝飾線，而差異處在於一個為3個計數表聯合裝飾，另一為3個計數表獨立裝飾線，而最不具有視覺吸引的儀表板造形多為不具裝飾線的儀表板。可知人們在選購產品的所認為吸引目光的造形因子，並不一定會與真實使用操作時的相同，2者之間是會有所差異的。
因此設計師在設計產品時，可能會面臨選購時吸引了消費者目光，但是卻影響了使用者的操作性，因此探討可以求得平衡的造形因子也成為未來的課題。

How Visual Power influences our visual attention? The best example is shopping in bookstores. Magazines with special design of front cover always grab our visual attention. Many 2D studies have indicated that visual stimulus can affect the sentiments and cognition of people.
Designers and companies invariably figure out what kinds of goods will stand out and be seeing first above other rivals. For this purpose,we used the eye tracking device and subjective evaluation to measure how passenger car dashboard forms affect the search pattern of people.
In this study, 25 passenger car dashboard samples were evaluated by 15 participants and the experiment divided into 3 phases：1. First phase（subjective evaluation）：Participants were asked to evaluate 25 samples into 9 sets for the adjective ”attract visual attention”.（1:not attract visual attention ~9:attracvisual attention）2. Second phase（static bservation）: Measured how participants observed different dashboards.3. Third phase（video observation）：Measured the eye moment data of executed three kinds drive tasks.
The result described that the facts of “attract visual attention” were major in decorative line along meters, horizontal distance of meters and vertical distance of meters.
For some discrepancies were between subjective evaluation and eye movement data, we could know that people cognition what attract their visual attention maybe not the same with real situation.

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